Ftp behind firewall/nat

From: eric wyzerski (ericwyzerski_at_hotmail.com)
Date: 01/31/05

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    To: freebsd-questions@freebsd.org
Date: Mon, 31 Jan 2005 20:11:04 +0000

    Hi,

    For a whole day I tried to make an ftp who is behind the firewall to work
    but Im not able. My ipf rules are:

    pass in quick from any to any
    pass out quick from any to any

    So it is not a ipf problem. My ipnat rules are:

    map rl0 10.0.0.0/8 -> 0/32

    rdr rl0 X.X.X.X/32 port 21 -> 10.1.1.6 port 21 tcp

    where X.X.X.X is my external IP, rl0 my external interface and 10.1.1.6 the
    ftp server. I am able to login and when I do the dir command its freeze. I
    have do tcpdump and I see the SYN packet goes but its never get answer. I
    really need help/advise
    Thank you and please CC me the answer because im not in the list
    Eric

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