squid on spacewalk proxy is used to cache rpms, and on default configurations accept only connections from localhost...
instead of using squid to improve security you can filter access to your spacewalk server by putting it on dmz behind your firewall and then enable only hosts that you want.
Da: spacewalk-list-bounces redhat com
A: glenc2004 comcast net, spacewalk-list redhat com
Data: Mon, 10 Nov 2014 09:54:45 +0000
Oggetto: Re: [Spacewalk-list] Squid Proxy for Spacewalk
> not out of the box, it needs configuring but yup it does, im pretty sure when you isntall the proxy it also installs and configures squid