Update Process Using Curl is Accessing an Unconfigured Proxy Server

This document (7006744) is provided subject to the disclaimer at the end of this document.


Novell Open Enterprise Server 2 (OES 2) Linux
SUSE Linux Enterprise Server 11
SUSE Linux Enterprise Server 10


No proxy is configured in /etc/sysconfig/proxy, but the update server still attempts to connect to a proxy server.
The supportconfig updates.txt file shows the following:
#==[ Command ]======================================#
# /usr/bin/curl --verbose --capath /etc/ssl/certs/ --digest --remote-time --fail -u 8f8474ba163758acd332835bdc0ae9b0:fe81fa65746cd66f6d8d74135d1f63ab -O "https://nu.novell.com/repo/repoindex.xml" 2>curl.log
* About to connect() to proxy port 8081
*   Trying Connection refused
* couldn't connect to host
* Closing connection #0
curl: (7) couldn't connect to host
#==[ Command ]======================================#
# env | grep -i proxy
#==[ Configuration File ]===========================#
# /etc/sysconfig/proxy


The update process uses curl. Even though the proxy server is not configured in /etc/sysconfig/proxy, the update process uses curl. Curl will use the proxy defined by the environment variables http_proxy and https_proxy. If http_proxy or more importantly https_proxy is defined, a proxy is configured as far as curl is concerned; regardless of the /etc/sysconfig/proxy settings.
1. Try to log out and log back in as root, then run echo $https_proxy to see if the variable has been cleared.
2. If it has not been cleared, you will need to check your environment files to see if those variables have been manually configured.
3. If you cannot find the variables manually configured in an environment configuration file, try rebooting the server to see if the variables have been cleared.
4. If they still have not been cleared, the variables are being set in a configuration file you have not thought to look at yet. Keep looking until you find where they have been set. 
Some environment files to search include, but are not limited to:


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  • Document ID:7006744
  • Creation Date: 27-Aug-2010
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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