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  1. dj2005

    iptables error msg

    Hi, I'm new to setting up a iptables firewall. I want to accept e-mail from a certain ip range only. My rules are: iptables -A INPUT -s 1.2.3.4/20 -p tcp --dport 25 -j ACCEPT iptables -A INPUT -p tcp --dport 25 -j DROP Error Msg: Applying iptables firewall rules: Bad argument `tcp' Error...

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