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  • TPLink wdr4300 (ar71xx)
    – Bitshitch
    Commented Apr 13, 2017 at 13:29
  • If its an option to you, specify the interface that is allowed, eg iptables -I INPUT -p tcp --dport 22 -j DROP; iptables -I INPUT -i ADMINIF -p tcp --dport 22 -j ACCEPT (Order is important, with the -I line, rules are added to the top, so you need to ensure the drop comes before the accept.
    – davidgo
    Commented Apr 15, 2017 at 7:07