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Re: [vox-tech] My nagging FTP ache
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Re: [vox-tech] My nagging FTP ache

  • Subject: Re: [vox-tech] My nagging FTP ache
  • From: Peter Jay Salzman <p@dirac.MAPSorg>
  • Date: Wed, 07 Feb 2001 15:02:08 -0800
  • References: 005c01c09159$99429b90$6501a8c0@private.network

yes, it sounds like something has to be loaded on demand.

1. leave the computer alone for a while.
2. do an lsmod > before.lsmod
3. ftp somewhere.  hopefully you'll see the time delay
4. do an lsmod > after.lsmod
5. compare the two files.

oh, is this behind a firewall?  maybe the firewall needs to load the ftp
port forwarding module?   do that on the firewall too, if you have lsmod on
the firewall.

60 - 90 secs is still quite a bit of time...

these tools will be useful in diagnosing what's going on:

strace, ltrace, tcpdump


On Wed 07 Feb 01,  4:59 PM, Jay Strauss said: 
> I run RH 6.2.  I do standard, vanilla, out of the box, server installs.
> Everything works fine, my network networks, my telnet telnets, BUT my
> FTP hangs (well sort of).
> The first time I FTP to a machine, I get:
> Connected to <machine>
> But then it takes about 60-90 sec. before I get the login prompt.  It
> happens from Linux to linux, M$ to linux, and I suspect any other OS to 
> my machines.
> I've checked my nwswitch (or analogous on windows) on both ends of the
> connection and I'm resolving (files, DNS in that order).
> I have the same issues if I do it by IP instead of by name.
> Just to emphasize:  It seems to happen the first time I FTP (for a while)
> to a box.  Subsequent FTPs are fast for a while.  Later in the day, when
> not used for a while, it happens again.
> Anyone got any ideas???
> Thanks
> Jay
> Jay Strauss
> jjstrauss@yahoo.com

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