daniel wrote:
I have a doubt about allow lo traffic.
May I use this rule?
iptables -A INPUT -s lo -d lo -j ACCEPT
-s and -d expects IP addresses (or hostnames, but they are converted to
IP at the time you enter the command). So, unless lo happens to be a
hostname, this does not work.
Or, is it the correct form?
iptables -A INPUT -i lo -j ACCEPT
iptables -A OUTPUT -o lo -j ACCEPT
This is correct.
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