RE: resolving problems....
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That is the plan. Thanks for all the suggestions. I will be bringing up iptables. Thanks, Carlos >-----Original Message----- >From: shrike-list-admin@xxxxxxxxxx [mailto:shrike-list-admin@xxxxxxxxxx] On >Behalf Of Ed Greshko >Sent: Thursday, February 26, 2004 7:41 PM >To: Shrike List >Subject: RE: resolving problems.... > >On Fri, 2004-02-27 at 01:17, Carlos Mora wrote: >> 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! > >It is probably only "strange" in your environment. :-) > >> I will keep everyone posted. Thanks for all the suggestions. > >Well, then I have another one for you. > >Since turning off ipchains fixes the problem it sounds as if you have >some issue with ipchains. Therefore, now seems a good time to dump >chains and move to tables. > >Suggest you checkout http://www.shorewall.net and consider using it as >your iptables configuration utility. Shorewall is simple to understand >and with a bit of reading you should be up and running on iptables in 30 >minutes or less. > >Ed >> >> Does anyone know how to force a kernel core dump? And how to analyze it? >> >> Thanks >> >> Carlos > >-- >"An opinion is like an asshole - everybody has one." > - Clint Eastwood as Harry Callahan, The Dead Pool - 1988. > > >-- >Shrike-list mailing list >Shrike-list@xxxxxxxxxx >https://www.redhat.com/mailman/listinfo/shrike-list -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list
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