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  1. #1

    How to lock down SSH

    How can you lock down SSH to a single IP or range of IPs

  2. #2
    Check out the Match parameter in the SSHD config manpage (man sshd_config).

    You can also block SSH connections using tcp_wrappers (man hosts.deny, man.hosts.allow).

    You're safest implenting a firewall and using that to drop connections before they even get to the ssh daemon, though.

  3. #3
    You can install an application called "firestarter" - it's a very useful tool that allows you to add rules exactly like that of what you're looking for. I did this exact thing on my install so only my netbook could get into my desktop.

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