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Bug 21814 - Red Hat Network is not able to use proxy
Red Hat Network is not able to use proxy
Product: Red Hat Linux
Classification: Retired
Component: rhn_register (Show other bugs)
i386 Linux
medium Severity high
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Assigned To: Cristian Gafton
Jay Turner
Depends On:
  Show dependency treegraph
Reported: 2000-12-06 13:12 EST by Charles Lineback
Modified: 2015-01-07 18:42 EST (History)
4 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2001-01-18 19:48:24 EST
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Regression: ---
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Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

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Description Charles Lineback 2000-12-06 13:12:47 EST
We use a proxy / firewall to access the Internet here, as every other
company I have worked
at for the last few years.	I was very surprised to learn from the support
folks that this is not currently a supported feature. 	My original trouble
ticket was #164466.

As a supporter and advocate for Linux in the Enterprise I am constantly
being bombarded with "Not ready for Primetime" comments.	The ability to
access RHN and get updates fairly easily was one of the reasons that I
purchased the Professional Server product.      I am dissapointed that the
product cannot negotiate a proxy, nor is there a work around.	I hoped to
use this as a selling feature to our Enterprise Server folks, but again I
am not about to push this out and get "Not ready for Primetime" shoved back
at me.	    Discounting the argument that Microsoft products are _______ 
"insert comment or bash", the impression in the business community is that
Microsoft is "Primetime player #1".      Things like this do not help me or
Redhat to overcome the image, please upgrade RHN to negotiate a proxy /
Comment 1 angus young 2000-12-18 05:40:05 EST
same problem and conclusion.
the new up2date package from rawhide don't resolve my problem
there is a new support for proxy but it don't work.
and the rhn_register from rawhide is the same from redhat 7.0,
so proxy support is not ok.

appears that Red Hat Network is technicaly a very young project, with
functionnality very limited.
I don' know why Red Hat don't like apt-get (connectiva ported apt-get to RPM)
but it's fully functionnality.
Comment 2 angus young 2000-12-18 05:41:19 EST
sorry for my poor english, i'm french
Comment 3 Jay Turner 2001-01-04 09:33:44 EST
Please send details of the problems that you are seeing when attempting to
access RHN through a proxy.
Comment 4 Martin Thomas 2001-01-10 10:20:57 EST
I was trying to get rhn_register to work on a RH6.2 Sparc in the office after
seeing how well
RedHat Network worked on a RH7.0 Celeron.. but even after loading all the
recommended updates
for rhn_register and up2date, it didn't work.

The machine is working well (has been for some time), proxy information is
correct but I get
messages like 'no contact with server' or 'welcome screen could not be loaded'.

I started ethereal and watched what was going out and lo! There was a DNS query
www.rhns.redhat.com which the local DNS server couldn't resolve. Isn't it the
case that if an
HTTP proxy has been specified then to reach the RHN server, the application
should send an
HTTP request to the proxy and not try and directly resolve the address?
After failing to get a good response, the application sends another DNS request,
this time to 
www.rhns.redhat.com.<my domain appended>.. this fails as well.

Regards / Martin
Comment 5 Martin Thomas 2001-01-10 18:14:36 EST
I dug further into this today (had to stay home, waiting for a second line)
and found the problem.. httplib.py expects that the proxy url is of the
and not
The two ':'s throw off the code..

After removing the leading 'http://', I managed to run up2date -r
but rhn_register gave me an error messge ('fatal error retrieving welcome
or something similar). After running up2date with -r, this went away..

Regards / 
Comment 6 Jonathon Padfield 2001-01-18 19:48:21 EST
From what I can see the xmlrpclib.py doesn't use urllib for more than simply
splitting the URL into two different parts. It uses myHTTP to do the actual

urllib's getproxies actually searches the environment for suitable proxies but
its never called because myHTTP does a straight socket connect.

On line 428 of cgiwrap.py, in send_http it checks for the existance of a Proxy
passed from the request function in class Transport of xmlrpclib. If one doesn't
exist, it doesn't pass the host parameter iwhen creating a new myHTTPS object
(line 432).

A fix is to modify rhnreg.py to add a new global variable 'serverProxy' and
setting it to a proxy address in the form of 'some.proxy.com:3128'
Whenever a xmlrpclib Server object is created, pass serverProxy to the

Alternatively, myHTTPS could be modified to use getproxies if no proxy is found.
But because I didn't want to go messing around with system libraries, I modified
the rhnreg.py file.

The serverProxy variable should probably be defined through the commandline, and
not staticly like this solution.

This solution allowed me to successfully register though a proxy.

A diff is below.

> serverProxy = "melks-fw.hotkey.net.au:3128"
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s  = xmlrpclib.Server(serverUrl)
>     s  = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
<     s = xmlrpclib.Server(serverUrl)
>     s = xmlrpclib.Server(serverUrl, serverProxy)
Comment 7 Jay Turner 2001-03-02 12:52:50 EST
This issue is resolved in the latest rhn_register code which is available in
beta and will be available in the next public release.

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