From: "Jim Fleming" <jfleming@...>
To: <wzk@...>
Cc: <garsh@...>; <t.steffen@...>
Sent: Tuesday, January 22, 2002 10:43 PM
Subject: Changes to DNRD Master.c


> Attached is a copy of the master.c file from DNRD.
> I added some changes to work with the Lame-D cache/filter format.
>
> The optional format in the master file is...domain N|name dns1 dns2 ...
> ...if N is a digit it creates a Feature Set or Server Set...
> ...the Lame-D cache/filter has a tag for each premium name to a Feature Set...
>
> We are essentially evolving to a server that is dedicated for TLD
Registries...
>
> Here is some more info...
> http://www.dot-biz.com/IPv8/Papers
> http://www.dot-biz.com/IPv8/Papers/LameDCache/
>
>
> Jim Fleming
> 2002:[IPv4]:000X:03DB
> http://www.IPv8.info
>
>

Like a lot of folks, I have dnrd running as the DNS server for my home
local lan on a demand dial connection. This connection is ISDN in my
case and therefore costs me bukcs per minute (Thank you Verizon!).

Since the windoze machines on my network insist on doing nameserver
lookups for shortnames, dnrd was dial out every 15 minutes to do a
lookup for a host in my master file. For example:

      gateway.localdomain (dns proxy machine, dial on demand

                           masquerading ISDN connection machine,
                           fileserver, etc.)
      me.localdomain (my windoze desktop)
      her.localdomain (my wife's windoze desktop)
etc.

Both me.localdomain & her.localdomain use gateway.localdomain as their
DNS server.

So, every 15 minutes, 'me' or 'her' do a dns lookup for 'gateway'.
JUST 'gateway'. While gateway.localdomain in in my /etc/dnrd/master
file, 'gateway' is not and so the link is brought up, earthlink's DNS
servers reply "Huh? We know nothing about this 'gateway' creature" and
the lookup fails.

Costs me 1 minute of uptime ($0.02) every 15 minutes (4 times/hour, 96
times /day, 2880 times a month) = $57 a month. Ouch. Assuming it
doesn't take longer than 1 minute of billable time.

So I wrote the incredibly complex patch attached here, which basically
says that for a hostname entry in the /etc/dnrd/master file, if it
ENDS with a period, delete the period and store the record as is. This
let me write my /etc/dnrd/master like this:

domain localdomain +auth

192.168.0.1 gateway.localdomain gateway.
192.168.0.10 me.localdomain me.
192.168.0.11 her.localdomain her.

with the second entries ensuring that Dnrd knows even about the short
names for my localhosts.

A better solution for these shortnames would be to have dnrd try all
the domains which it is authoritative for in turn, appending the
domain to the shortnames.


------------- cut here -------------------------
diff -ur dnrd-2.10/src/master.c dnrd-2.10-chris/src/master.c
--- dnrd-2.10/src/master.c      Fri Jan 19 15:32:31 2001
+++ dnrd-2.10-chris/src/master.c        Mon Oct 29 12:37:30 2001
@@ -290,6 +290,11 @@
         word[len-1] = 0;
         snprintf (name, size, "%s%s%s", word, domain[0] ? "." : "",
domain);
      }
+    else if ((len = strlen(word)) > 0  &&  word[len-1] == '.') {
+       word[len-1] = 0;
+       size--;
+       copy_string(name, word, size);
+    }
      else if (strchr(word, '.') == NULL) {
         snprintf (name, size, "%s%s%s", word, domain[0] ? "." : "",
domain);
      }

----- Forwarded message from Eduard Bloch <edi@...> -----

Subject: Bug#116096: dnrd: does not resolve short hostnames
Reply-To: Eduard Bloch <edi@...>, 116096@...
Date: Sun, 21 Oct 2001 00:30:40 +0200
From: Eduard Bloch <edi@...>
To: Thomas Schoepf <schoepf@...>
Cc: 116096@...
Sender: Eduard Bloch <inet@...>

#include <hallo.h>
Thomas Schoepf wrote on Sun Oct 21, 2001 um 12:11:33AM:
> On Thu, Oct 18, 2001 at 03:13:47PM +0200, Eduard Bloch wrote:
> > since dnrd is intended to be a master server for small LANs, I expect it too
> > resolve short hostnames without FQDN. Unfortunately, it does not. I
> > tried to add the host entries in the form:
> > IP HOSTNAME FQDN
> > or
> > IP FQDN HOSTNAME
> > but it does not work.
>
> Hm, how does your configuration look like? dnrd does resolve short
> hostnames here on my system:

Yes, on _your_ system. It works fine on my local machine too, but try
the same from a machine in the LAN.

> asterix:~$ host asterix
> asterix.gallien         A       192.168.100.1

Similar here. hostname.domain is returned correctly. But not when
resolving from another machine.

> This is my configuration:
>
> asterix:~$ cat /etc/resolv.conf
> domain gallien
> search gallien informatik.tu-muenchen.de debian.org
> nameserver 127.0.0.1

Similar here.

> asterix:~$ cat /etc/hosts | grep asterix
> 192.168.100.1   asterix.gallien asterix
> asterix:~$

Dito. I tried "hostname FQDN" and "FQDN hostname", both did not help.

Gruss/Regards,
Eduard.
--
GNU GPL: "The source will be with you... always."



----- End forwarded message -----

--
Contact: Institut fuer Informatik, TU Muenchen, D-80290 Muenchen, Germany
Phone: +49-89-289-25354, Fax: -25702, Room: 3516, E-Mail: schoepf@...

----- Forwarded message from Paul Slootman <paul@...> -----

Subject: Bug#116501: dnrd: dnrd forgets entries it's master for
Reply-To: Paul Slootman <paul@...>, 116501@...
From: Paul Slootman <paul@...>
To: submit@...
Date: Sun, 21 Oct 2001 14:32:42 +0200

Package: dnrd
Version: 2.8-3
Severity: important

Check out this log:

Oct 21 14:20:41 server /dnrd[4918]: 81 records in master DNS database
Oct 21 14:20:52 server /dnrd[4918]: Received DNS query for "server.local"
Oct 21 14:20:52 server /dnrd[4918]: Replying to query as master
Oct 21 14:20:54 server /dnrd[4918]: Received DNS query for "bla.local"
Oct 21 14:20:54 server /dnrd[4918]: Forwarding the query to DNS server
194.159.73.136
[no answer, ISDN is stopped so cannot dialout to connect to 194.159.73.136]
Oct 21 14:23:01 server /dnrd[4918]: dnsquery_timeout: removed 1 entries
Oct 21 14:23:01 server /dnrd[4918]: Received DNS query for "server.local"
Oct 21 14:23:01 server /dnrd[4918]: Forwarding the query to DNS server
194.159.73.136

Note how it first responded as master for "server.local", but after a
failed lookup for "bla.local" (which isn't in the master file) it's
forgotten how to answer for "server.local".

The master file starts like this:

domain local server.local +auth
192.0.0.192     server

As it's authorative for domain local, it should never forward requests
for things like "bla.local" to another server. This causes unnecessary
ISDN dialouts, costing money. The whole point of dnrd is lost because of
this (hence the "important" severity level).

dnrd is invoked as:

dnrd --master=hosts -l -d -s 164.48.51.158:ericsson.se -s 194.159.73.136


Thanks,
Paul Slootman

-- System Information
Debian Release: testing/unstable
Kernel Version: Linux wurtel 2.2.20pre2 #2 Sun May 27 17:46:10 CEST 2001 i586
unknown

Versions of the packages dnrd depends on:
ii  libc6          2.2.4-3        GNU C Library: Shared libraries and Timezone


----- End forwarded message -----

--
Contact: Institut fuer Informatik, TU Muenchen, D-80290 Muenchen, Germany
Phone: +49-89-289-25354, Fax: -25702, Room: 3516, E-Mail: schoepf@...

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To remove please click:
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========================================================
This message is in full compliance with U.S. Federal requirements for commercial
email under bill S.1618 Title lll, Section

301, Paragraph (a)(2)(C) passed by the 105th U.S. Congress and cannot be
considered SPAM since it includes a remove mechanism.

At 07:53 AM 09/08/2001, you wrote:

>I'm sorry, but I don't see a problem here.
>This looks like everything has been built successfully.
>and So it has.  What made me think that things weren't all ok was I was
>getting some 'No such file or directory" messages.  The executable is there.


Doug

On Thu, 9 Aug 2001, Doug Lawlor wrote:

> Hello, I amm brand new at trying to compile DNRD under Linux and GCC gives
> the following output.  Seems like I may not have a path set correctly
> someware.  I typed "make" while in the src directory of the dnrd package
> tree.
> Any help on this would be appreciated.

I'm sorry, but I don't see a problem here.
This looks like everything has been built successfully.

> <Begin output>
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o args.o args.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o cache.o cache.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o common.o common.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o dns.o dns.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o lib.o lib.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o main.o main.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o master.o master.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o query.o query.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o relay.o relay.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o sig.o sig.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o tcp.o tcp.c
> gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o udp.o udp.c
> gcc  -lpthread args.o cache.o common.o dns.o lib.o main.o master.o query.o
> relay.o sig.o tcp.o udp.o -o dnrd
> ctags *.[ch]

Brad Garcia

Hello, I amm brand new at trying to compile DNRD under Linux and GCC gives
the following output.  Seems like I may not have a path set correctly
someware.  I typed "make" while in the src directory of the dnrd package
tree.
Any help on this would be appreciated.

Doug

<Begin output>
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o args.o args.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o cache.o cache.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o common.o common.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o dns.o dns.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o lib.o lib.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o main.o main.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o master.o master.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o query.o query.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o relay.o relay.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o sig.o sig.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o tcp.o tcp.c
gcc -Wall -Werror -O2 -D_REENTRANT -ggdb   -c -o udp.o udp.c
gcc  -lpthread args.o cache.o common.o dns.o lib.o main.o master.o query.o
relay.o sig.o tcp.o udp.o -o dnrd
ctags *.[ch]

Hi,

I just upgraded my linux-system with redhat 7.1, and while I was at it I
also installed DHCP, it works just fine.

But now i ran in to some trouble, Apache can't no longer find the clients,
so i can't see any pages unless I add a trailing slash to the url. Earlier
this worked, because all clients where in the hosts-file, and dnrd sent the
clients ip back to Apache.

Now, since the IP-adress may change, i can't have them in the hosts-file,
and therefore dnrd doesn't find it.

What have I missed? Is it possible to use dnrd and dhcp together?

I'll be thankfull for any hints!

// Mvh Janne.

Does DNRD cache its requests to a disk file or is it more like bind which
loses them on reboot?

regards
A. Evans

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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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every day on radio/TV. How many times have you received the same pizza flyers on
your door? Then one day you are hungry for pizza and you order one. Same thing
with this letter. I received this letter many times - then one day I decided it
was time to try it.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
$20 = 1 large combination pizza & wings.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


GETTING STARTED:
YOU CAN START TODAY - JUST DO THESE EASY STEPS:

STEP #1: ORDER THE FOUR REPORTS

Order the four reports shown on the list below (you can't sell them if you don't
order them). For each report, send:
7 $5.00 CASH (wrapped in paper for protection),
7 NAME AND NUMBER OF THE REPORT YOU ARE ORDERING,
7 YOUR E-MAIL ADDRESS,
7 YOUR NAME & RETURN ADDRESS (in case of a problem) to the person whose name
appears on the list next to the report.

MAKE SURE YOUR RETURN ADDRESS IS ON YOUR ENVELOPE IN CASE OF ANY MAIL PROBLEMS!

Within a few days you will receive, by e-mail, each of the four reports. Save
them on your computer so you can send them to the 1,000's of people who will
order them from you.

STEP #2: ADD YOUR MAILING ADDRESS TO THIS LETTER

a. Look below for the listing of the four reports.

b. After you've ordered the four reports, delete the name and address under
REPORT #4. This person has made it through the cycle.

c. Move the name and address under REPORT #3 down to REPORT #4.

d. Move the name and address under REPORT #2 down to REPORT #3.

e. Move the name and address under REPORT #1 down to REPORT #2.

f. Insert your name/address in the REPORT #1 position.

Please make sure you COPY ALL INFORMATION, every name and address, ACCURATELY!

STEP #3: MAILING YOUR LETTER

Take this entire letter, including the modified list of names, and save it to
your computer. Make NO changes to these instructions. Now you are ready to use
this entire message to send by email to prospects.

Report #1 will tell you how to download bulk email software and email addresses
so you can send it out to thousands of people while you sleep! Remember that
50,000+ new people are joining the Internet every month. Your cost to
participate in this is practically nothing (surely you can afford $20 and
initial bulk mailing cost). You obviously already have a computer and an
Internet connection and e-mail is FREE!

There are two primary methods of building your customers:

METHOD #1: SENDING BULK E-MAIL Let's say that you decide to start small, just to
see how it goes, and we'll assume you and all those involved email out only
2,000 programs each.

Let's also assume that the mailing receives a 0.5% response. The response could
be much better. Also, many people will email out hundreds of thousands of
programs instead of 2,000 (Why stop at 2000?). But continuing with this example,
you send out only 2,000 programs.

With a 0.5% response, that is only 10 orders for REPORT #1. Those 10 people
respond by sending out 2,000 programs each for a total of 20,000. Out of those
0.5%, 100 people respond and order REPORT #2. Those 100 mail out 2,000 programs
each for a total of 200,000. The 0.5% response to that is 1,000 orders for
REPORT #3.

Those 1,000 send out 2,000 programs each for a 2,000,000 total. The 0.5%
response to that is 10,000 orders for REPORT #4. That's 10,000 $5 bills for you.
CASH!!!

Your total income in this example is $50 + $500 + $5,000 + $50,000 for a total
of $55,550!!!

REMEMBER FRIEND, THIS IS ASSUMING 1,990 OUT OF THE 2,000 PEOPLE YOU MAIL TO WILL
DO ABSOLUTELY NOTHING AND TRASH THIS PROGRAM! DARE TO THINK FOR A MOMENT WHAT
WOULD HAPPEN IF EVERYONE, OR HALF, SENT IT OUT.

WHAT IF 100,000 letters are sent instead of 2,000? Believe me, many people will
do just that and more!

METHOD #2: PLACING FREE ADS ON THE INTERNET

Advertising on the Internet is very, very inexpensive, and there are HUNDREDS of
FREE places to advertise. Let's say you decide to start small just to see how
well it works. Assume your goal is to get ONLY 10 people to participate on your
first level. (Placing a lot of FREE ads on the Internet will EASILY get a larger
response.) Also assume that everyone else in YOUR ORGANIZATION gets ONLY 10
members. Look how this small number accumulates to achieve the STAGGERING
results below:

1st level--your first 10 send you $5 = $50
2nd level--10 customers from first 10 ($5 x 100) = $500
3rd level--10 customers from those 100 ($5 x 1,000) = $5,000
4th level--10 customers from those 1,000 ($5 x 10,000) = $50,000
$$$$$$ THIS TOTALS $55,550 $$$$$$

AMAZING ISN'T IT? Remember friends, this assumes that the people who
participate only recruit 10 people each. Think for a moment what would
happen if they got 20 people to participate! Most people get 100's of
participants and many will continue to work this program, sending out
programs WITH YOUR NAME ON THEM for years! THINK ABOUT IT!

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
$20 = = a months cellular phone bill.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

People are going to get emails about this plan from you or somebody else and
many will work this plan - the question is - Don't you want your name to be on
the emails they will send out?

* * DON'T MISS OUT!!! * * * JUST TRY IT ONCE!!! * * *
* * SEE WHAT HAPPENS!!! *** YOU'LL BE AMAZED!!!* *

ALWAYS PROVIDE SAME-DAY SERVICE ON ALL ORDERS!
This will guarantee that the e-mail THEY send out with YOUR name and address on
it will be prompt because they can't advertise until they receive the report!

GET STARTED TODAY: PLACE YOUR ORDER FOR THE FOUR REPORTS NOW.

Notes: -- ALWAYS SEND $5 CASH (U.S. CURRENCY) FOR EACH REPORT. CHECKS NOT
ACCEPTED. Make sure the cash is protected by wrapping it in two sheets of paper.
On one of those sheets of paper write: (a) the number and name of the report you
are ordering, (b) your e-mail address, and (c) your name and postal address.

REPORT #1: "The Insider's Guide to Advertising for Free on the Internet"

ORDER REPORT #1 FROM:
DOUG AVERY
817 TORRANCE BLVD # 119
REDONDO BEACH, CA 90277

REPORT #2: "The Insider's Guide to Sending Bulk E-mail on the Internet"

ORDER REPORT #2 FROM:
RICHARD NEWTON
12036 NEVADA CITY HIGHWAY
#173
GRASS VALLEY, CA  95945

REPORT #3: "The Secrets to Multilevel Marketing on the Internet"

ORDER REPORT #3 FROM:
KEVIN JARACZ
4805 N. PRIMULA CT.
PHOENIX,  AZ.    85037


REPORT #4: "How to Become a Millionaire Utilizing the Power of Multilevel
Marketing and the Internet"

ORDER REPORT #4 FROM:
RICH NEES
11917 E. HARVARD AVE.  # 202
AURORA, CO.    80014
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
$20 = is it worth it?  You decide.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

******* TIPS FOR SUCCESS *******

TREAT THIS AS YOUR BUSINESS! Be prompt, professional, and follow the directions
accurately.  Send for the four reports IMMEDIATELY so you  will have them when
the orders start coming in because:

When you receive a $5 order, you MUST send out the requested product, the
report. It is required for this to be a legal business and they need the reports
to send out their letters (with your name on them!) --ALWAYS PROVIDE SAME-DAY
SERVICE ON THE ORDERS YOU RECEIVE.

Be patient and persistent with this program. If you follow the instructions
exactly results WILL follow. $$$$

******* YOUR SUCCESS GUIDELINES *******

Follow these guidelines to guarantee your success:
1. If you don't receive 20 orders for REPORT #1 within two weeks, continue
advertising or sending e-mails until you do.
2. Then, a couple of weeks later you should receive at least 100 orders for
REPORT #2. If you don't, continue advertising or sending e-mails until you do.
3. Once you have received 100 or more orders for REPORT #2, YOU CAN RELAX,
because the system is already working for you, and the cash will continue to
roll in!

THIS IS IMPORTANT TO REMEMBER: Every time your name is moved down on the list,
you are placed in front of a DIFFERENT report. You can KEEP TRACK of your
PROGRESS by watching which report people are ordering from you.

To generate more income, simply send another batch of e-mails or continue
placing ads and start the whole process again! There is no limit to the income
you will generate from this business!

Before you make your decision as to whether or not you participate in this
program. Please answer one question.

ARE YOU HAPPY WITH YOUR PRESENT INCOME OR JOB?

If the answer is no, then please look at the following facts about this super
simple money-making program:

1. NO face to face selling, NO meetings, NO inventory! NO telephone calls, NO
big cost to start! Nothing to learn, NO skills needed! (Surely you know how to
send e-mail?)

2. No equipment to buy - you already have a computer and Internet connection -
so you have everything you need to fill orders!

3. You are selling a product that does NOT COST ANYTHING TO PRODUCE OR SHIP!
(E-mailing copies of the reports is FREE!)

4. All of your customers pay you in CA$H!

This program will change your LIFE FOREVER!! Look at the potential for
you to be able to quit your job and live a life of luxury you could only dream
about! Imagine getting out of debt and buying the car and home of your dreams
and being able to work a super-high paying leisurely easy business from home!

$$$ FINALLY MAKE SOME DREAMS COME TRUE! $$$

ACT NOW! Take your first step toward achieving financial independence.
Order the reports and follow the program outlined above-- SUCCESS will be your
reward. Thank you for your time and consideration.

PLEASE NOTE: If you need help with starting a business, registering a business
name, learning how income tax is handled, etc., contact your local office of the
Small Business Administration (a Federal Agency) 1-800-827-5722 for free help
and answers to questions. Also, the Internal Revenue Service offers free help
via telephone and free seminars about business tax requirements. Your earnings
are highly dependent on your activities and advertising. The information
contained on this site and in the report constitutes no guarantees neither
stated nor implied. In the event that it is determined that this site or report
constitutes a guarantee of any kind, that guarantee is now void. The earnings
amounts listed on this site and in the report are estimates only. Actual income
generated is determined by each individual's effort.  If you have any questions
of the legality of this program, contact the Office of Associate Director for
Marketing Practices, Federal Trade Commission, Burea!
u of Consumer Protection in Wash
ington, DC.
================================================
Under Bill s.1618 TITLE III passed by the 105th US Congress this letter cannot
be considered spam as long as the sender includes contact information and a
method of removal. This is a one time e-mail transmission. No request for
removal is necessary.

============ MORE TESTIMONIALS ================
"My name is Mitchell. My wife, Jody and I live in Chicago. I am an accountant
with a major U.S. Corporation and I make pretty good money. When I received this
program I grumbled to Jody about receiving ''junk mail''. I made fun of the
whole thing, spouting my knowledge of the
population and percentages involved. I ''knew'' it wouldn't work. Jody totally
ignored my supposed intelligence and few days later she jumped in with both
feet.  I made merciless fun of her, and was ready to lay the old ''I told you
so'' on her when the thing didn't work. Well, the laugh was on me! Within 3
weeks she had received 50 responses. Within the next 45 days she had received
total $147,200.00 ........... all cash! I was shocked. I have joined
Jody in her ''hobby''.

Mitchell Wolf, CPA., Chicago, Illinois
======================================================
''Not being the gambling type, it took me several weeks to make up my mind to
participate in this plan. But conservative that I am, I decided that the initial
investment was so little that there was just no way that I wouldn't get enough
orders to at least get my money back.  I was surprised when I found my medium
size post office box crammed with orders. I made $319,210 in the first 12 weeks.
The nice thing about this deal is that it does not matter where people live.
There simply isn't a better investment with a faster return and so big."
-Dan Sondstrom, Alberta, Canada
======================================================
''I had received this program before. I deleted it but later I wondered if I
should have given it a try. Of course, I had no idea who to contact to get
another copy, so I had to wait until I was e-mailed again by someone
else.........11 months passed then it luckily came again...... I did not delete
this one! I made more than $490,000 on my first try and all the money came
within 24 weeks."
-Susan De Suza, New York, N.Y.
======================================================
''It really is a great opportunity to make relatively easy money with little
cost to you. I followed the simple instructions carefully and within 10 days the
money started to come in. My first month I made $20,560.00 and by the end of the
third month my total cash count was $362,840.00. Life is beautiful, Thanx to
internet direct mail.".
-Fred Dellaca, Westport, New Zealand

Hello!


I?m running debian gnu linux sid and dnrd 2.10-1 (bin package). dnrd is my
standard dns chache here at home, we have a dedicated router into the
internet and so we don?t use one of the dialup systems of linux.

Sometimes (every two or three days) all dns lookups here at home are
failing.
After restarting dnrd (/etc/init.d/dnrd restart) I can use dns quite normal.
dnrd has no config file etc. any idea?


cu floh

Hello,

I just upgraded to Linux 2.4.4, which seems to have broken DNRD.
Specifically, when invoking a new instance of dnrd, it almost
always died with the error message:
"ERROR: tcpsock: Couldn't bind local address"

Even though the socket option SO_REUSEADDR had been set, it wouldn't
bind to the address, because the system apparently hadn't completely
shut down the previous instance yet.

This quick'n'dirty (and somewhat naive) fix cured the problem for me
(I bet it could be solved in a more elegant manner, so you may prefer
to interpret this post just as a bug report :-)), by retrying to bind
a few times, in the hope that it will eventually succeed.

Regards,
Svenning

--- dnrd/src/main.c 2001/05/01 11:37:46 1.1.1.2
+++ dnrd/src/main.c 2001/05/01 11:45:32 1.2
@@ -62,7 +62,7 @@
      DIR               *dirp;
      struct dirent     *direntry;
      struct stat        st;
-    int                rslt;
+    int                rslt, retries;

      /*
       * Setup signal handlers.
@@ -149,8 +149,17 @@
 	 int opt = 1;
 	 setsockopt(tcpsock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
      }
-    if (bind(tcpsock, (struct sockaddr *)&recv_addr, sizeof(recv_addr)) < 0) {
- log_msg(LOG_ERR, "tcpsock: Couldn't bind local address");
+    /* If we just killed another instance, the system may need some time
+       to release the socket, so we'll retry a few times */
+    for (retries = 0; retries < 10; retries++) {
+     if (bind(tcpsock, (struct sockaddr *)&recv_addr, sizeof(recv_addr)) < 0) {
+    if (retries < 9)
+  usleep(50000);
+ }
+ else break;
+    }
+    if (retries == 10) {
+ log_msg(LOG_ERR, "tcpsock: Couldn't bind local address: %s", strerror(errno));
 	 cleanexit(-1);
      }
      if (listen(tcpsock, 5) != 0) {

> I have two dnrds listening on the socket. From netstat and lsof they
> are identical. It would not affect the operation since Linux will
send
> new requests to one of the processes (like apache with spare
> processes). I'm just worried that this will lead to processes
spawning
> like rabbits if clients connect and send no data.

Ok, I compiled with -g and ran gdb on it. This time it faulted in a
different place when I connected to it with telnet. It segfaulted.
I suspect there is stack corruption in the tcp_handler thread. I think
the uses of buffer should be audited, especially under strange
circumstances. Admittedly connecting with telnet is strange and normal
clients would not do this so my tests are rather harsh. In the
meantime I found a small bug at tcp.c line 170:

             if (tcpsize > (sizeof(buffer) + 2)) {

That should be sizeof(buffer) - 2.

On Tue, 17 Apr 2001 ken_yap_aus@... wrote:

> Has anybody seen anything like this?

I don't recall.

Compile with debugging on, and attach gdb to the process, and
let us know what it's doing.

Brad Garcia

Here's another quirk with dnrd 2.10. This is not related to the glibc
problems I mentioned earlier. It was compiled and run on a SuSE 7.1
system with the latest glibc 2.2.

I start the dnrd. ps shows one process. I do telnet localhost domain.
Then I abort the connection by ^]q, i.e. send no data. ps shows a
child process running and chewing up CPU. I kill it. It dies. But now
I have two dnrds listening on the socket. From netstat and lsof they
are identical. It would not affect the operation since Linux will send
new requests to one of the processes (like apache with spare
processes). I'm just worried that this will lead to processes spawning
like rabbits if clients connect and send no data.

Has anybody seen anything like this?

I'm trying to make a small dnrd package for the floppyfw distribution
(www.zelow.no/floppyfw). This is a one-floppy firewall distribution.
I want to run dnrd as a DNS proxy on the firewall.

The problem is the 1.0.10 distribution of floppyfw uses glibc 2.0.7.
When I run dnrd under floppyfw, it seems to have problems terminating
threads. I say it seems, because I see sockets stuck in CLOSE_WAIT
when I do a netstat -a. The same binary also has a similar problem
exiting on a standard Linux desktop (SuSE 7.1, kernel 2.4.2).

Are there any known issues with older glibcs and libpthread? If so
then I don't need to speculate and debug and will try a different
series of floppyfw, one that uses glibc 2.1.3. Are there any problems
with that too?

IPv6 support would be nice, even if as a translation of IPv4 addresses...

The reason? Well, I've switched to woody recently, and I found that
in.telnetd generates type 28 (AAAA) requests. Since dnrd doesn't handle
these, they get passed on to Demon's nameservers - and, since I'm using
dial-on-demand...

--
| Darren Salt            | nr. Ashington, | d youmustbejoking.demon.co.uk
| Risc PC, Spec+3, A3010 | Northumberland | s zap.uk.eu.org
| BBC M128, Linux PC     | Toon Army      | @ retrospec.co.uk
|   JSW. Bug. CTetris. Mindtrap. KPatience. SnakePit.

"He's not going to win this race but second will be the next best thing."

Would YOU like £10,000/month for life?

For a limited period we're offering the opportunity of a lifetime.

Make "tens of £1000's" without selling, experience, administration,
stock, investment or having to answer the phone EVER again.

Take advantage, get involved with the $35 billion dollar a year
adult XXX industry by taking one of our FREE FREE FREE adult web
site businesses and we'll make sure you earn a lot of money.


<<<<Its what over 70% of 250,000,000 surfers are looking for!>>>>


"No experience required"

Our Guarantee:
'We'll give you an adult web site, show you how to promote it and
'IF' YOU don't start earning over £10,000 EACH month within six
(with our help), we'll give YOU the business for FREE'. When you
start to earn over £10,000 a month, you pay £1950.00 once off for
the business.

"We already know that you'll reach the £10,000's target income
quickly"

That's why we don't ask you to part with your money until you've
tasted success.

You don't have to spend a penny to advertise. We'll show and teach
you how to promote it in each of the 4,500 FREE places on the
Internet to give you 70,000 to 100,000 customers each month.

You don't need any experience. We'll give you the site, show you
the way and pay you an excellent income. If you haven't got a PC
or experience we will help you promote your business. With our help,
you can't fail.

You can operate anonymously, even your wife/husband doesn't have to
know where the extra money's coming from. We pay YOU monthly.

We have turned this 'usually expensive to buy business' into a FREE
to start and EASY to operate package with the entire promotional
backup needed to succeed. We'll teach you everything there is to
know, plus guarantee that you earn over £10,000 a month before we
ask you for payment. Its a NO RISK proven business supported by a
'long term sustainable business plan' that will take you on a roller
-coaster ride to SUCCESS.


DON'T MISS THIS - APPLY NOW

E-mail meformore details:

go4it@...?subject=more_details_090

The attached patch allows dnrd 2.10 to save the cache on exit and reload it,
using the existing caching code, on startup. The cache is also saved on
SIGHUP. (This is the first step towards implementing the auto-restarting dnrd
which I described a few weeks ago.)

The cache is currently saved as /tmp/dnrd.cache and has the structure:

   char[]: "#!/bin/true\ndnrd cache\n" (unterminated)
   char: endianness - 1 if the cache was saved on a little endian machine
   char: sizeof (int)
   {
     int: packet length
     char[]: packet dump
   } []

If the endianness and int size bytes don't match, the cache is ignored. I'm
unable to test this properly, not having any machines on which these have
values other than 1 and 4 :-)

Also, the cache loader hasn't been tested with malformed cache files; perhaps
some of you might like to help with that.

BTW, Brad: any chance of the trailing spaces in the source files being
removed for 2.11? I have this text editor which is (deliberately) configured
to remove them... :-)

--
| Darren Salt            | nr. Ashington, | d youmustbejoking.demon.co.uk
| Risc PC, Spec+3, A3010 | Northumberland | s zap.uk.eu.org
| BBC M128, Linux PC     | Toon Army      | @ retrospec.co.uk
|   ZapEmail. ZapDS. MakeExtern.

Who to himself is law no law doth need, offends no law, and is a king indeed.

Setup description:
  | Notebook DNRD offline of forwarded to GATEWAY|
  --> |GATEWAY DNRD with master list of local IP,offline or forward to ISP|

Situation:
Notebook online(TP), Sendmail smarthost is GATEWAY, "sendmail -q" sends MX
request to Notebook -> GATEWAY ignores local IP list -> ISP
-> wrong answer.

Workaround: Using  "DS[ip.number.of.gateway]" in sendmail.cf

Solution:
Changing the line 820 in "master.c" fixes the problem.
Does this break anything else ?
--- dnrd-2.10/src/master.c      Fri Jan 19 21:32:31 2001
+++ dnrd-2.10-patched/src/master.c      Wed Mar  7 17:19:34 2001
@@ -817,7 +817,7 @@
         /* Repair query for later authority lookup. */
         query.name[k] = '.';
      }
-    else if (query.type == DNS_TYPE_A) {
+    else if (query.type == DNS_TYPE_A||query.type == DNS_TYPE_MX) {
         if ((rec = name_lookup(query.name)) != NULL) {
             dnsheader_t *x;

staying tuned
		 Holger Dunkel


--
Holger Dunkel                     |PGP-Key: finger:dunkel@...
E-Mail: hdunkel2@...          |Tel: 0551/ 201-1380
http://www.physik4.gwdg.de/~dunkel|native language: German

I demand that Alan M Buckwalter may or may not have written...

> Is there a version of DNRD for Windows out there ?  Can someone point me
> to a binary I can download ?

> The linux version is GREAT, but Windows is a necessary evil in my
> environment.

... oh dear. That one triggered my multipart/alternative bounce generator...
don't mail HTML!

--
| Darren Salt            | d youmustbejoking.demon.co.uk | nr. Ashington,
| Risc PC, Spec+3, A3010 | s zap.uk.eu.org               | Northumberland
| BBC M128, Linux PC     | @ retrospec.co.uk             | Toon Army
|   We've got Shearer, you haven't

An honest tale speeds best being plainly told.

The linux version is GREAT, but Windows is a necessary evil in my environment.

Thank you,

- Alan

______________
Alan M Buckwalter
alan.buckwalter@...
 

This is a small patch for dnrd 2.10 to honor comments at the end of
line in /etc/hosts

Please cc: any comments, questions, etc. to me, because im not
subscribed to this list.


*** master.c.orig Thu Mar  1 10:23:46 2001
--- master.c Thu Mar  1 10:27:29 2001
***************
*** 323,329 ****
  	      * name makes one DNS record.
  	      */
  	     get_word(&p, ipnum, sizeof(ipnum));
! 	    while (*get_hostname(&p, domain, word, sizeof(word)) != 0) {
  		 add_nameip(word, ipnum);
  	     }
  	 }
--- 323,329 ----
  	      * name makes one DNS record.
  	      */
  	     get_word(&p, ipnum, sizeof(ipnum));
! 	    while (*get_hostname(&p, domain, word, sizeof(word)) != 0 &&
word[0]!='#') {
  		 add_nameip(word, ipnum);
  	     }
  	 }



--
Alex Ivanisevic, 2e systems
Tel: +49 6192 978 497
Handy: +49 0174 310 9333

I demand that Filipe Custódio may or may not have written...

> --- Darren Salt <list@...>
> escreveu:
>>> 2. I wouldn't call auditing a 4000 line program a "major audit" needing a
>>> "possible rewrite";
>> Sanity checking, maybe. Incidentally, I don't suppose that these buffers
>> would overflow as a result of some legitimate query...? (I'm not saying
>> that they shouldn't be patched, but that perhaps some may need to be
>> enlarged or dynamically allocated.)

> To be honnest, I still didn't have enough time to read the DSN RFCs...

> This being said, as soon as I get the time to do it, some log must be
> generated in the cases where a buffer overflow would exist. These log
> events should be enough to identify situations where the buffers are too
> small.

That seems reasonable to me.

>>> 3. The package is absolutely "fixable". To prove my point, I'm attaching
>>> a patch to fix some of the ugliest buffer overflows;
>> And the rest of them? :-)

> I'm not sure there *are* more of them :-)

We'll see... :-)

> I'm now 99% sure that the function get_objectname() used to parse the DNS
> request is buffer-overflow-free.

1% unsure, I suppose. Which is better than being 100% sure, of course.

> With a little effort, I can check the rest of the source code in dns.c...

:-)

Incidentally, patch asked for the filenames when I applied your patch.
Perhaps you could use context or, preferably, unified format instead?

>>> 4. The daemon runs as user "nobody", chrooted to "/etc/dnrd". There is
>>> absolutely no serious security hazard in this package;
>> Well... 2.10 uses chroot... my somewhat patched version doesn't ATM in
>> order that it can reread /etc/hosts on receiving a SIGHUP.

> Just curious, but...
> Why do you need to read /etc/hosts?

/I/ don't :-)

The machine(s) running dnrd could be running as domain master(s). To me, it
makes more sense to use the entries in /etc/hosts - one less file to update
whenever it is decided that a machine should be added or a name be changed or
added.

It can be better to tell dnrd to reread this file and retain its cache than
to restart it, discarding the cache.

>> Although I have an idea which should fix this properly:

>> * A master, unchrooted, process
>>   - responds to SIGHUP, starting a new child process;
>>   - starts a new child process whenever it notices that none is running;

> Good... Anti-DOS protection :-)

The only other thing which would be useful is to preserve the good entries in
the cache during such a restart. Better to get the above working first,
though, I think.

--
| Darren Salt            | d youmustbejoking.demon.co.uk | nr. Ashington,
| Risc PC, Spec+3, A3010 | s zap.uk.eu.org               | Northumberland
| BBC M128, Linux PC     | @ retrospec.co.uk             | Toon Army
|   We've got Shearer, you haven't

Those of you who believe in telekinesis, raise MY hand!

--- Darren Salt <list@...>
escreveu:
> > 2. I wouldn't call auditing a 4000 line program a
> "major audit" needing a
> > "possible rewrite";
>
> Sanity checking, maybe. Incidentally, I don't
> suppose that these buffers
> would overflow as a result of some legitimate
> query...? (I'm not saying that
> they shouldn't be patched, but that perhaps some may
> need to be enlarged or
> dynamically allocated.)

To be honnest, I still didn't have enough time to read
the DSN RFCs...

This being said, as soon as I get the time to do it,
some log must be generated in the cases where a buffer
overflow would exist. These log events should be
enough to identify situations where the buffers are
too small.

> > 3. The package is absolutely "fixable". To prove
> my point, I'm attaching a
> > patch to fix some of the ugliest buffer overflows;
>
> And the rest of them? :-)

I'm not sure there *are* more of them :-)

I'm now 99% sure that the function get_objectname()
used to parse the DNS request is buffer-overflow-free.

With a little effort, I can check the rest of the
source code in dns.c...

> > 4. The deamon runs as user "nobody", chrooted to
> "/etc/dnrd". There is
> > absolutely no serious security hazzard in this
> package;
>
> Well... 2.10 uses chroot... my somewhat patched
> version doesn't ATM in order
> that it can reread /etc/hosts on receiving a SIGHUP.

Just curious, but...

Why do you need to read /etc/hosts?

> Although I have an idea
> which should fix this properly:
>
> * A master, unchrooted, process
>   - responds to SIGHUP, starting a new child
> process;
>   - starts a new child process whenever it notices
> that none is running;

Good... Anti-DOS protection :-)


Regards,

Filipe Custodio


__________________________________________________
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Hi,

I've just started using dnrd on my small home network.
Very nice, much smaller footprint than bind, and much
easier to configure!

I'm running exim on my server, and noticed that when
a client on another of my machines sent local mail,
the dialup would start.  It turns out that exim has
some (experimental) support for IPv6 and it was doing
an IPv6 query for the mail submitting machine.
dnrd was seeing the type=28 and just relaying it up
to the forwarders.

Here is an excerpt from rfc1886:

2.1 AAAA record type

The AAAA resource record type is a new record specific to the
Internet class that stores a single IPv6 address.
The value of the type is 28 (decimal).


Since dnrd doensn't (yet) handle these, I think
it is better to not pass them up.  I don't think
my ISP was going to find tigger.wardle.home anyway!

Following is a patch to master.c, of rev 2.10,
to authoritatively give no response in my domains.

Thanks,
Jay Wardle


*** master.c.dist       Fri Jan 19 12:32:31 2001
--- master.c    Sat Feb 10 00:09:30 2001
***************
*** 872,877 ****
--- 872,887 ----
             return (x->len);
         }
       }
+     else if (query.type == 28 /* DNS_TYPE_AAAA ? */ ) {
+         /* this is an IPv6 A query
+          * We can't really handle these, but we should fall
+          * through to see if we *should* have responded.
+          * If we are authoritative, return a failure!
+          * e.g. We shouldn't forward IPv6 queries for our
+          * domain !
+          */
+       log_debug("master: YIKES - got an IPv6 query for %s\n",
query.name);
+     }
       else {
         /*
          * Return here if this type of request isn't handled
***************

I demand that Filipe Custódio may or may not have written...

> Hello fellow dnrd users,

> I'm sorry if I'm briging up an old issue, but I wanted to be half
> confortable with the source code before replying to this.

[snip bug report]

> After carefully browsing through the core of dnrd, I can safely say that:

> 1. Yes, there are a few buffer overflows in the code, mostly in the
> manipulation of the DNS packets;

> 2. I wouldn't call auditing a 4000 line program a "major audit" needing a
> "possible rewrite";

Sanity checking, maybe. Incidentally, I don't suppose that these buffers
would overflow as a result of some legitimate query...? (I'm not saying that
they shouldn't be patched, but that perhaps some may need to be enlarged or
dynamically allocated.)

> 3. The package is absolutely "fixable". To prove my point, I'm attaching a
> patch to fix some of the ugliest buffer overflows;

And the rest of them? :-)

> 4. The deamon runs as user "nobody", chrooted to "/etc/dnrd". There is
> absolutely no serious security hazzard in this package;

Well... 2.10 uses chroot... my somewhat patched version doesn't ATM in order
that it can reread /etc/hosts on receiving a SIGHUP. Although I have an idea
which should fix this properly:

* A master, unchrooted, process
   - responds to SIGHUP, starting a new child process;
   - starts a new child process whenever it notices that none is running;
   - doesn't listen on any port;
   - isn't chrooted.

* A child process (perhaps a thread?)
   - on startup, reads its config files then chroots itself;
   - listens on the usual ports, spawning threads as at present;
   - stops listening on receiving a SIGHUP then quits as soon as there are
     no queries to handle.

Although it occurs to me that this is only better than restarting it in that
you don't have to remember the command line. Although I'm using
/etc/init.d/dnrd, which is not much more than does 'dnrd `sed -e ...
/etc/dnrd/dnrd.conf`'.

--
| Darren Salt            | nr. Ashington, | d youmustbejoking.demon.co.uk
| Risc PC, Spec+3, A3010 | Northumberland | s zap.uk.eu.org
| BBC M128, Linux PC     | Toon Army      | @ retrospec.co.uk
|   Z80Em and 6502Em Support Packs. AY sound support.

You know that you've left the lawn too long when it needs harvesting.

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