iptables allow port for ip

 

To allow only an ip to access a port use following iptables rule

iptables -I INPUT -p tcp -m tcp -s 192.168.2.20 --dport 8080 -j ACCEPT

Above iptables rule will allow only 192.168.2.20 to access port 8080 and reject all other ip addresses.

Similarly we can give any other ip address and port combination.

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