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resolving problems....

resolving problems....

2004-02-26       - By Carlos Mora

 Back
Reply:     <<     11     12     13  

Actually that is exactly what I did last night. It took the problem away. I
will be testing this a little more this evening. Some very interesting
things though,

1. I took all rules out but the ACCEPT port 53 for both TCP and UDP, and
also left the REJECT rules in for TCP and UDP at the end.
  When I tested. 'host www.google.com' still failed
  'host -T www.google.com' worked.
2. I took out just the port 53 TCP rule and tried the same test.
  'host www.google.com' failed
  'host -T www.google.com' WORKED!!!! (This should have failed)
3. I took out all rules except the REJECTs and got the same results!
4. turned off ipchains all together and BOTH worked!
5. I also tried a different default kernel. (binmem and std 2.4.20-8)

Again, it was rather late when I made this discovery and I will do some more
testing this evening.

This is some very strange behavior. I am very surprised that it has not been
uncovered before!

I will keep everyone posted. Thanks for all the suggestions.

Does anyone know how to force a kernel core dump? And how to analyze it?

Thanks

Carlos
>-- --Original Message-- --
>From: shrike-list-admin@(protected) [mailto:shrike-list-admin@(protected)] On
>Behalf Of Ed Greshko
>Sent: Wednesday, February 25, 2004 9:47 PM
>To: Shrike List
>Subject: RE: resolving problems....
>
>On Thu, 2004-02-26 at 10:10, Carlos Mora wrote:
>> Joe,
>>
>> I agree. It does not make sense to rebuild bind. But, I am at the end of
>my
>> rope with this. I really need to get my machine up and running and don't
>> know what else to check. Do you know how to put options in the
>resolv.conf
>> file?
>
>You didn't say exactly what your network configuration is like.
>However, you did say you were running ipchains.  Just for a test you may
>want to bring up your system without ipchains to see if there is some
>problem with your rules.
>
>I'm also assuming that you don't have another machine (even a Win one)
>to compare networking results with....
>
>
>--
>"An opinion is like an asshole - everybody has one."
>    - Clint Eastwood as Harry Callahan, The Dead Pool - 1988.
>
>
>--
>Shrike-list mailing list
>Shrike-list@(protected)
>https://www.redhat.com/mailman/listinfo/shrike-list


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