[CentOS] iptables starts blocking outbound http traffic

Neil Aggarwal neil at JAMMConsulting.com
Wed Nov 12 17:44:16 UTC 2008


One of my servers stopped responding again.
This time, it was one of those which was not using

I am now convinced the problem is not in the firewall.
It must be somewhere in Apache, Tomcat, or my 
application code (Most likely).  I think I
was seeing the firewall logs after I restarted
Apache since the responses were rejected since they
no longer were attached to an established connection.

Sorry for the red herring.


Neil Aggarwal, (832)245-7314, www.JAMMConsulting.com
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> I am seeing logs like this in the syslog:
> OUTPUT IN= OUT=eth0 SRC=[myIP] DST=[otherIP] LEN=52 TOS=0x00 PREC=0x00
> TTL=64 ID=35076 DF PROTO=TCP SPT=80 DPT=36953 WINDOW=54 
> URGP=0

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