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Re: [ curl-Bugs-1034321 ] Hangs/fails to fetch URL

From: Dan Fandrich <dan_at_coneharvesters.com>
Date: Fri, 24 Sep 2004 17:07:06 -0700

On Fri, Sep 24, 2004 at 01:42:45PM -0700, SourceForge.net wrote:
> Bugs item #1034321, was opened at 2004-09-24 13:42
> Message generated for change (Tracker Item Submitted) made by Item Submitter
> You can respond by visiting:
> https://sourceforge.net/tracker/?func=detail&atid=100976&aid=1034321&group_id=976
>
> Category: ftp
> Group: bad behaviour
> Status: Open
> Resolution: None
> Priority: 5
> Submitted By: Nobody/Anonymous (nobody)
> Assigned to: Daniel Stenberg (bagder)
> Summary: Hangs/fails to fetch URL
>
> Initial Comment:
> Try the following
>
> curl
> ftp://oss.sgi.com/www/projects/kdb/download/v4.3/kdb-v4.3-2.4.25-x86-64-1.bz2
>
> using
>
> [root_at_bbox downloads]# curl -V
> curl 7.11.1 (i386-redhat-linux-gnu) libcurl/7.11.1
> OpenSSL/0.9.7a ipv6 zlib/1.2.1.1
> Protocols: ftp gopher telnet dict ldap http file https ftps
> Features: IPv6 SSL libz NTLM Largefile
>
>
> It will hang. An ethereal capture shows that curl
> sends no data following oss.sgi.com's successful EPSV
> response.
>
> ncftp is able to fetch the file just fine.
>
> (As of 9/23/04)
> Andrew Athan
> aathan-bugs-curl-1542_at_cloakmail.com
>
> ----------------------------------------------------------------------
>
> You can respond by visiting:
> https://sourceforge.net/tracker/?func=detail&atid=100976&aid=1034321&group_id=976)

This looks like a problem with SGI's ftp server support for EPSV. The
download works fine if you use the --disable-epsv switch, forcing curl
to use PASV instead of EPSV. Curl attempts to connect to the port number
returned by EPSV, but the port doesn't respond--packets are probably being
filtered out by a firewall at SGI.

>>> Dan

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Received on 2004-09-25

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