[Yum] Update system behind a proxy server

[Jim Perrin]

> Hello,
>
>  my Linux box is behind a proxy server ( M$ isa server ),

That's probably going to cause a problem.

>
> [root at fc3]# yum update
>
>  Setting up Update Process
>  Setting up Repo: core
> http://ayo.freshrpms.net/fedora/linux/3/i386/core/repodata/repomd.xml:
> [Errno 4] IOError: HTTP Error 502: Proxy Error ( The ISA Server denies the
> specified Uniform Resource Locator (URL). )


Yep, there's the problem.

Your proxy doesn't understand HTTP byte ranges and should be fixed.
You can try setting up ftp as a work around, or properly configure yum
to talk to your proxy. Look in the FAQ or yum.conf man pages for
details.

--
Jim Perrin
System Architect - UIT
Ft Gordon & US Army Signal Center