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Thread: Ufw

  1. #1
    Join Date
    Apr 2008


    Hey there. This is a bit blurry on whether it should be under Security or Networking, feel free to kick it elsewhere.

    I'm currently setting up my firewall on a remote machine, meaning I'm SSHing to it.

    What I want is to have a default deny rule, with an accept on SSH only. Since I am working remote, it would be preferable to set the accept rule before doing the default deny.

    My question; if I set an accept on 22 before I do the default deny, will it work?

    Guessing it'll be fine, but since I'm not really in a position to go to the machine, certainty is preferred.

  2. #2
    Join Date
    Apr 2008
    Phoenix, AZ
    Ubuntu 10.10 Maverick Meerkat

    Re: Ufw

    Yes, that will work. You can always verify by doing "sudo iptables -v -L", before implementing the deny rule, which will show you how much traffic hit the existing rules.

    I understand about wanting to be certain. Once I locked myself out of a router that was several states away.


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