iptables unban ip and ban entire subnet


unban ip

List entries with line numbers

iptables -L -v --line-numbers

Delete entry

iptables -D name_of_chain number_of_line_with_IP_that_you_want_to_delete

Let’s imagine that we want to unban! chain name is ‘f2b-sshd‘ and line number is 10!


iptables -D f2b-sshd 10
Ban entire subnet

Example (banning some chinese sh*t)

iptables -A INPUT -s -j DROP
iptables -A INPUT -s -j DROP


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