[CentOS] yum with a proxy

[Philippe Naudin]

Le mer 07 déc 2011 09:12:24 CET, Johnny Hughes a écrit:

> On 12/07/2011 09:03 AM, Philippe Naudin wrote:
> > Hello,
> > 
> > While yum is configured to use a proxy, like this :
> >  [base]
> >  name=CentOS-$releasever - Base
> >  mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
> >  #baseurl=http://mirror.centos.org/centos/$releasever/os/$basearch/
> >  gpgcheck=1
> >  gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
> >  proxy=http://proxy.lasb:3128
> > 
> > it still make some attempts to connect directly to Internet (tcp 80).
> > These attempts are denied and logged by the firewall.
> > 
> > If I comment out the line mirrorlist= and uncomment the line
> > baseurl= then there is no more direct connexion to Internet.
> > (N.B. : in both cases, yum works well despite the access denied.)
> > 
> > I have tried to add a line proxy= to fastestmirror.conf, but it 
> > doesn't change anything. I can't put proxy= in /etc/yum.conf
> > because I also have a local repo.
> > 
> > Any idea on how to avoid these connexion to Internet ?
> 
> fastestmirror is designed to make direct connections to remote sites,
> time them, and then pick the fastest mirror from that machine to a
> specific mirror.  If your machine can not connect directly to the
> external mirror, it is going to cause issues.
> 
> It works ok through most transparent proxies (though, the connection
> times are going to be to the proxy, and all the same and very low, and
> not valid for the purpose of fastest mirror) ... it does not work with
> proxies that require a password or non port 80 proxies.
> 
> If you have a web proxy, you will most likely need to not use fastest
> mirror.

Thanks for your answer : indeed, adding enabled=0 to fastestmirror.conf
solves the problem.

-- 
Philippe Naudin
UMR MISTEA : Mathématiques, Informatique et STatistique pour 
l'Environnement et l'Agronomie
INRA, bâtiment 29   -   2 place Viala   -   34060 Montpellier cedex 2
tél: 04.99.61.26.34, fax: 04.99.61.29.03, mél: naudin at supagro.inra.fr