MASQ problem wiht 2.3.45 and Netfilter

From: Sebastian Ip (seb@sc.esf.edu.hk)
Date: Sat May 20 2000 - 21:35:17 EDT

  • Next message: Keith Owens: "Re: MASQ problem wiht 2.3.45 and Netfilter"

    Hello.

    This is a problem with one of my friend's machines. He uses a ATM ADSL,
    but the problem is the same for a modem dialup,
    solution and he is using a Redhat 6.2 box to share access with his family.
    ( would be nice if you guys can help cause he's about to change back to
    windows98 and winroute ;P)

    Anyhow the problem is that when he tries to ftp from behind his "firewall"
    he gets "invalide ports" error or something. Looking at the logs on our
    school server I noticed this: "refused PORT 192.168.8.1,3800 from
    dial-up1.nhh.com.hk [202.64.58.156]". Clearly there is some problem where
    we are getting his internal address instead of the Masquraded address.
    What has really stumped us is that the problem exists in both 2.3 + ADSL
    or modem and 2.2 + ADSL and modem. Using similar ipchains rules in 2.2 as
    I do he still has this problem. If it also helps people answering this
    question using icq 2000 he gets a "rate exceeded" error while icq 98 works
    fine.

    Thanks guys in advance if you can help. Also he's going to need some help
    port forwarding on 2.3 kernel. As i never used a 2.3 kernel could someone
    here drop him a line about what util to use and such? Thanks he's email is
    tparker@sc.esf.edu.hk .

    Thanks guys
    Yours
    Sebastian Ip

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