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  • linux - iptables error: unknown option --dport - Server Fault
    First give a -p option like -p tcp or -p udp Examples: iptables -A INPUT -p tcp --dport 22 -m state --state NEW -j DROP iptables -A INPUT -p udp --dport 53 --sport 1024:65535 -j ACCEPT You could also try -p all but I've never done that and don't find too much support for it in the examples
  • What is the correct way to open a range of ports in iptables
    What you've been told is right, although you've written it wrong (you've forgotten --dport) iptables -A INPUT -p tcp --dport 1000:2000 will open up inbound traffic to TCP ports 1000 to 2000 inclusive -m multiport --dports is only needed if the range you want to open is not continuous, eg -m multiport --dports 80,443, which will open up HTTP and HTTPS only - not the ones in between Note that
  • Using --dport --sport. . . When to use one or another
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  • iptables doesnt know what -dport 80 is. . . - LinuxQuestions. org
    Linux - Networking This forum is for any issue related to networks or networking Routing, network cards, OSI, etc Anything is fair game
  • nftables fails on boot with Error: Could not process rule: No such . . .
    nftables fails on boot with "Error: Could not process rule: No such file or directory chain ingress" but same nft conf works with manual nft start
  • Iptables : --dport vs. --sport - LinuxQuestions. org
    Welcome to LinuxQuestions org, a friendly and active Linux Community You are currently viewing LQ as a guest By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features Registration is quick, simple and absolutely free Join our community today! Note that registered members
  • ssh - iptables: unknown option --dport - Server Fault
    Shum, please consider writing your solution up as an answer an accepting it; it will stop this question floating around forever, like a querulous albatross!
  • iptables SSH connection logging - Server Fault
    The Line you would need to log the traffic, might look possible as: iptables -I OUTPUT -p tcp -m tcp --dport 22 -m state --state NEW,ESTABLISHED -j LOG --log-prefix "Outgoing SSH connection" On another terminal view the logs while :; do iptables -L OUTPUT -v -n --line-n; sleep 2; done I am using -m state --state However I would recommand to use --ctstate man iptables for more If you feel


















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