Firewall error on a remote node error

Symptom:

SUM reports a potential error with a firewall on a remote node.

Action:
  1. Make sure that no firewall is running, network ports are open, review the http_proxy parameter, https_proxy parameter, and review the CURL proxy settings.

    You can find more information about CURL proxy settings at the website http://curl.haxx.se/docs/manpage.html.

    You can find SUSE Linux Enterprise Server node proxy configurations in the directory etc/sysconfig/proxy.