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  1. #1
    Member
    Join Date
    Oct 2002
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    104

    Default ProFTP and IPCHAINS Hang

    Anyone know why the connection to our ProFTP server (in cPanel) will seem to hang for 10 to 15 seconds for our customers if we have our IPCHAINS firewall enabled? We have port 21 (UDP and TCP open).

    Any ideas?

  2. #2
    Member
    Join Date
    Dec 2001
    Posts
    1,558

    Default

    Do you have proftpd doing a reverse lookup? I think by default this is the case, try disabling this and see if it works.
    Beau Henderson

  3. #3
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    Join Date
    Oct 2002
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    104

    Default

    How do you disabled reverse lookup in ProFTP?

  4. #4
    Member
    Join Date
    May 2002
    Posts
    161

    Default

    Hi,

    in /etc/proftpd.conf , set to Off the voice UseReverseDNS and the restart your proftpd.

  5. #5
    Member
    Join Date
    Oct 2002
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    104

    Default

    The word 'UseReverseDNS' does not exist in our proftpd.conf. Do I need to add it, if so, like this?:

    UseReverseDNS Off

  6. #6
    Member
    Join Date
    May 2002
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    161

    Default

    I believe that it should exist by default, can't immagine why it's not there. In any case in my proftpd.conf this voice is just under the setting for Anonymous access ...something like this :

    bla bla
    bla bla

    &/Anonymous&


    UseReverseDNS off


    bla bla
    bla bla

    note : between the word UseReverseDNS and the word off there are 16 spaces, don't know if this has any importance, but I'm saying it in case it is important , just trying to help, forgive my ignorance.

  7. #7
    Member
    Join Date
    Oct 2002
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    104

    Default

    very interesting. I wonder why you have it and I don't... hrmmm... especially the 15 spaces thing.

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