[CentOS] port mapping
John R Pierce
pierce at hogranch.com
Mon Jan 21 04:03:37 UTC 2008
Sobari Tanuwijaya wrote:
> Where should I put this? After the command Barry said for before?
it doesn't matter, its a rule in a different chain
I recommend you read up on iptables and firewall rules to understand how
it all works before attempting to apply any rule.
good stuff here
http://www.netfilter.org/documentation/
the ip masquerade HOWTO lives here
http://tldp.org/HOWTO/html_single/IP-Masquerade-HOWTO/
its a -little- out of date, but still quite applicable.
these additional rules should be added in a manner compatible with your
existing firewall rules... if you're using one of the common rule
generator scripts (lokkit, shorewall, etc) it may well already have its
own method for enabling rules like this, that would be preferable.
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