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Zenet
Asked: 2012-01-25 07:50:36 +0800 CST

iptables and multiple ports

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This doesn't work for me:

# iptables -A INPUT -p tcp --dports 110,143,993,995 -j ACCEPT

iptables v1.4.7: unknown option `--dports'
Try `iptables -h' or 'iptables --help' for more information.

However in the man page, there is an option --dports... any ideas?

iptables linux-networking

2 Answers

  1. Best Answer

    You have to use --match multiport in the rule for defining more ports

    #iptables -A INPUT -p tcp  --match multiport --dports 110,143,993,995 -j ACCEPT
    • 73

  2. You need to specify the -m multiport module before using the dports options

    • 14