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ProFTP timed out - Linux / Unix Administration

Hi, I have problems with a server running proftpd 1.2.8 behind a firewall (1-to-1 NAT). I want to send from different clients (ncftp on linux, Windows FTP clients etc.) data to the server (~2MB). Sometimes it works fine, but sometimes connection times out. tcpdump on client shows nothing except that server stops responding. Distance between server and client is just a building, cable is ok. I use passive ftp. Ncftp would switch to active mode after passive times out, but that doesn´t help. There were older ProFTPs on the server, with same behaviour. Any suggestions? Thank You Manuel...

  1. #1

    Default ProFTP timed out

    Hi,
    I have problems with a server running proftpd 1.2.8 behind a firewall
    (1-to-1 NAT). I want to send from different clients (ncftp on linux,
    Windows FTP clients etc.) data to the server (~2MB). Sometimes it
    works fine, but sometimes connection times out. tcpdump on client
    shows nothing except that server stops responding. Distance between
    server and client is just a building, cable is ok. I use passive ftp.
    Ncftp would switch to active mode after passive times out, but that
    doesn´t help.
    There were older ProFTPs on the server, with same behaviour.
    Any suggestions?
    Thank You
    Manuel
    mh9000 Guest

  2. #2

    Default Re: ProFTP timed out


    "mh9000" <mh9000gmx.de> wrote in message
    news:d93c702b.0406040109.42f5d85aposting.google.c om...
    > Hi,
    > I have problems with a server running proftpd 1.2.8 behind a firewall
    > (1-to-1 NAT). I want to send from different clients (ncftp on linux,
    > Windows FTP clients etc.) data to the server (~2MB). Sometimes it
    > works fine, but sometimes connection times out. tcpdump on client
    > shows nothing except that server stops responding. Distance between
    > server and client is just a building, cable is ok. I use passive ftp.
    > Ncftp would switch to active mode after passive times out, but that
    > doesn´t help.
    > There were older ProFTPs on the server, with same behaviour.
    > Any suggestions?
    > Thank You
    > Manuel


    perhaps there is something wrong with your NAT.
    :)


    berdey Guest

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