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Old 04-10-2012, 04:45 PM   #1
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Need help on two iptables related commands

I have the following two commands dealing with iptables that I don't fully understand. Can someone help me a bit?

iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT

Old 04-10-2012, 04:52 PM   #2
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That iptable rule is saying to accept any incoming or outgoing connections on the loopback interface. Loopback is the which routes back to your computer/server.
Old 04-10-2012, 07:16 PM   #3
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Oh, alright then. Thanks a lot!


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