Iptables: Difference between revisions
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Created page with "The syntax is as follows to block incoming port using IPtables: /sbin/iptables -A INPUT -p tcp --destination-port {PORT-NUMBER-HERE} -j DROP ### interface section use eth1..." |
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Latest revision as of 22:42, 8 November 2019
The syntax is as follows to block incoming port using IPtables:
/sbin/iptables -A INPUT -p tcp --destination-port {PORT-NUMBER-HERE} -j DROP
- interface section use eth1 ###
/sbin/iptables -A INPUT -i eth1 -p tcp --destination-port {PORT-NUMBER-HERE} -j DROP
- only drop port for given IP or Subnet ##
/sbin/iptables -A INPUT -i eth0 -p tcp --destination-port {PORT-NUMBER-HERE} -s {IP-ADDRESS-HERE} -j DROP /sbin/iptables -A INPUT -i eth0 -p tcp --destination-port {PORT-NUMBER-HERE} -s {IP/SUBNET-HERE} -j DROP
