Odd FTP Problems

[Stuart Biggerstaff]

Cool.  I note that it says you can also turn to using passive FTP at the 
client.  Internet Explorer allows you to set the browser to use passive FTP.

At 03:09 PM 6/18/03 -0700, Aaron Grewell wrote:
>There may be a firewall module that needs to be loaded in order to correctly
>handle ftp.  Unfortunately that system is so old that I no longer remember
>what said module would be called.  Ah, but Google remembers.
>
>http://www.linux.net.nz/lists/NZLUG/2000/06/0086.html
>
>On Wednesday 18 June 2003 03:01 pm, Jason Joines wrote:
> >   I inherited (old admin left, boss said "this is yours") a RH 6.2
> > server that runs a web application via apache and mysql.  It generates a
> > link that points to an ftp URL to retrieve spreadsheets.  The URL is
> > something like ftp://user:password@host/filename.xls.  I had put up an
> > ipchains firewall on the box and opened port 21, expecting that I might
> > also have to open port 20.  I tested by retrieving a file via ftp from
> > the command line on my SuSE desktop system.
> >   Then I got reports that the users couldn't retrieve the files.  The
> > logs showed rejections from the user's machines to a variety of
> > arbitrary high tcp ports.  The were not replies but initiated
> > connections as I have allowed replies via:
> >
> > $ipchains -A input -s $anyhost -d $thishost 1024:65535 -p tcp -i eth0 !
> > -y -j ACCEPT
> >
> >   The users have IE x.x on win2k.  I had one of them try to retrieve a
> > file via the win2k command line and that worked just fine.  So, I tried
> > Mozilla 1.4rc1 on my SuSE box.  Then I had the same problem as the users
> > and the log showed rejections from my box to arbitrary high tcp ports on
> > the server.
> >
> >   It looks like the ftp in the browser's is doing something odd.  The
> > server is running wu-ftpd 2.60.
> >
> >   Any ideas?
> >
> > Thanks,
> >
> > Jason Joines
> > ===========
> >
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Stuart Biggerstaff

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