Netgear WGR614 v5 wireless router + PASV FTP

Discussion in 'Network Routers' started by robert.hoff, Jan 22, 2006.

  1. robert.hoff

    robert.hoff Guest

    I'm running an FTP server behind a Netgear WGR614 v5 wireless router.

    The router has an undocumented feature whereby passive mode FTP
    responses are automatically translated to use the external IP address.

    The client sends "PASV" and the server responds with "227 Entering
    Passive Mode (192,168,100,110,a,b)", telling the client to connect to
    it at 192.168.100.110 on port 256a+b. When the router gets this
    response, it automatically forwards the port 256a+b to 192.168.100.110
    and it changes the IP address to be the external IP address before
    passing the message on to the client.

    FTP server sends:
    227 Entering Passive Mode (192,168,100,110,107,48)

    Client receives:
    227 Entering Passive Mode (68,251,68,x,107,48)

    This is great when it works, but it seems like sometimes the router
    mangles the message, and the client sees:
    227 Entring Passive Mode (68,251,68,x,107,48

    --just like that, with "Entering" misspelled as "Entring" and with the
    closing parenthesis missing.

    Does anyone have a similar experience with the WGR614 or even a
    different piece of hardware?
     
    robert.hoff, Jan 22, 2006
    #1
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