Just got this.  Since there has been a discussion about iptables recently,
thought it might be relevant.

*** {01.46.001} Linux - RedHat firewall/iptables save file problems

RedHat has released an advisory indicating that some bugs in iptables
may prevent the RedHat firewall script from functioning properly,
leaving the system unprotected.

Updated RPMs are available at:
http://archives.neohapsis.com/archives/linux/redhat/2001-q4/0119.html

Source: RedHat
http://archives.neohapsis.com/archives/linux/redhat/2001-q4/0119.html