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From: adam.ainteria
Date: Wed Feb 21 2001 - 03:19:23 CST

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    ipf again...

    I have a simple config:
    xl0 -> internal net
    tun0 -> world

    now. I do not want ANY traffic to be passed on ANY
    interface (not very usefull but simple)
    Here is my ipf.rules:
    ===
    block in quick all
    block out quick all
    ===

    then I run nmap -v -P0 x.x.x.x (x is my 'firewall')
    from outside world.
    nmap says:
    host x.x.x.x appears to be up.

    How is it possible?
    How to make my 'firewall' appear DOWN?

    Thanks,

    Adam

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