Very recently I started having problems with maintaining my fink
distribution, which uses the curl utility to download source
packages for local building.

Curl seems unable to properly download anything.

I passed it the --verbose flag to try and get more info, and
here's the output of a session:

 >   
 >   # curl --verbose -f -L -O 
 > ftp://ftp.gnome.org/pub/GNOME/sources/audiofile/0.2/audiofile-0.2.3.tar.gz
 >   < 220 aftpd:Check Point FireWall-1 Secure FTP server running on xxxxxxx
 >   > USER anonymous
 >   < 331 aftpd (not authenticated): Enter server password, or for anonymous login 
 > use your complete e-mail addr
 >   > PASS [EMAIL PROTECTED]
 >   < 230-aftpd:Connected to 130.239.18.141. Logging in...
 >   < 230-aftpd:220 (vsFTPd 1.2.0)
 >   < 230-aftpd:331 Please specify the password.
 >   < 230 aftpd:230 Login successful. Have fun.
 >   * We have successfully logged in
 >   > PWD
 >   < 257 "/"
 >   * Entry path is '/'
 >   * Connected to ftp.acc.umu.se (130.239.18.141)
 >   > CWD pub/GNOME/sources/audiofile/0.2
 >   < 250 Directory successfully changed.
 >   > PASV
 >   < 505 Command was blocked. Contact admin.
 >   curl: (13) Odd return code after PASV
 >   * Closing live connection (#0)

It seems obvious that the problem occurs when curl attempts to
send the PASV command, and gets back a 505 command was blocked
error. What's not clear to me is what point along the
communications pipe the problem lies.

Who's blocking the attempt to send the PASV command? Is this the
checkpoint firewall that I'm behind that's blocking the command?
Or is it the remote server rejecting the command (seems
unlikely)?

I've double checked that, in my System Preferences:Network
control, I have the "Use Passive FTP Mode" box selected in the
Proxies tab. What exactly does this checkbox affect?

Up until a week ago, I had no problems with fink, curl, or ftp,
and now this weird problem.

Can anyone shed some light on this issue to assist me to get to
the bottom of things?


-- 
Viktor Haag : Software & Information Design : Research In Motion
                              +--+
 "Here's a rule of thumb: you know you're in trouble when you're
   reduced to praising a movie for its absence of fart jokes."



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