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I'm new to setting up servers and when I'm trying to follow a guide for doing iptables. The guide says to use RH-Firewall-1-INPUT while i see the original configuration just using INPUT. I'm wondering what are the differences between these?

Thanks!

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Starting with RH/CentOS 6, the RH-Firewall chain is removed. Now just use the default INPUT chain.

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  • Thanks for the answer! Just wondering though, if you can tell me a quick explanation of the purpose of it, or point me to a simple guide that explains it. I've looked around on the net and just couldn't find an adequate resource. Thanks!
    – gtr32x
    Commented Feb 24, 2012 at 7:06
  • the wikipedia article for iptables explains chains of rules and includes a diagram link
    – evan
    Commented Feb 24, 2012 at 9:06
  • The RH-Firewall-1-INPUT chain was indeed removed with EL6. However, I cannot find any mention of this in the Release Notes. Does anyone have a link to the authoritative documentation stating the RH-Firewall-* should be replaced with INPUT? This is the source of much confusion for EL6 admins. Commented Jul 3, 2015 at 0:51

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