Re: ftp server frustrating

From: Glenn Dawson (glenn_at_antimatter.net)
Date: 05/31/05

  • Next message: Dan Nelson: "Re: ftp server frustrating" 
    Date: Tue, 31 May 2005 13:37:26 -0700
To: freebsd-questions@freebsd.org, Vizion <vizion@vizion.occoxmail.com>

    At 12:26 PM 5/31/2005, Lowell Gilbert wrote:
    >Vizion <vizion@vizion.occoxmail.com> writes:
    >
    > > I still cant understand why the cut off is set so short!!

    ftp.freebsd.org has two IP's associated with it:

    # dig ftp.freebsd.org

    ; <<>> DiG 9.3.1 <<>> ftp.freebsd.org
    ;; global options: printcmd
    ;; Got answer:
    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19245
    ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 5, ADDITIONAL: 3

    ;; QUESTION SECTION:
    ;ftp.freebsd.org. IN A

    ;; ANSWER SECTION:
    ftp.freebsd.org. 18 IN A 204.152.184.73
    ftp.freebsd.org. 18 IN A 62.243.72.50

    The server at 62.243.72.50 has a 15 second timeout (I waited 20 secs to get
    the output below)

    # ftp 62.243.72.50
    Connected to 62.243.72.50.
    220-ftp.FreeBSD.org NcFTPd Server (licensed copy) ready.
    220-The FreeBSD mirror at TDC, in Aarhus, Denmark, Europe
    220-
    220-Contact: beastie@tdk.net
    220-
    220-Use wisely.

    --snip--

    Name (62.243.72.50:glenn): ftp
    421 Disconnecting you since you didn't login successfully within 15 seconds.
    ftp: Login failed.
    ftp>

    However, the server at 204.152.184.73 has a much longer timeout of at least
    a minute.

    So depending on which address your ftp client is given, you might have 15
    seconds, or you might have much longer.

    -Glenn

    >Well, for one thing, it *isn't* as short as you were claiming; my
    >testing right now indicates that it's (at least) over a minute.
    >Perhaps you are running into problems with a local firewall that is
    >cutting off your connection?
    >
    >For another thing, the connection controls are *much* less stringent
    >on most of the mirror servers. The fact that some mirror wasn't
    >working for you was a separate problem which can be solved
    >separately.
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    >http://lists.freebsd.org/mailman/listinfo/freebsd-questions
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