[CentOS] Squid question

Sat Oct 29 19:48:24 UTC 2016
paul.greene.va <paul.greene.va at verizon.net>

I should have mentioned - this is squid 3.3 running on Centos 7 .....


On 10/29/2016 3:37 PM, paul.greene.va wrote:
> I'm having issues getting squid to send traffic through a specific 
> upstream gateway.
>
> I need for a MS WSUS server and a Symantec Endpoint Protection Manager 
> to get through a squid proxy to get out to Microsoft and Symantec 
> respectively to get MS patches and Symantec DAT files.
>
> The traffic needs to go through the squid proxy, through a firewall, 
> and through an upstream McAfee gateway server. If it tries to take a 
> path different than that upstream gateway to get out to the internet, 
> it'll get dropped.
>
> However, once the traffic goes through the proxy, it tries to go 
> directly to the vendor website and not go through the McAfee gateway, 
> and therefore is getting blocked by the firewall. The traffic never 
> reaches the McAfee gateway.
>
> If I configure a browser to use the proxy server and browse to some 
> websites, it can get to http sites, but not https sites. Port 443 is 
> what isn't getting through.
>
> I thought this line in squid.conf was supposed to send the traffic to 
> an upstream cache_peer parent gateway, but I could easily be 
> misunderstanding what its supposed to do. (I'm pretty new with squid)
>
> cache_peer <upstream gateway IP address>      parent 8080 3130  
> proxy-only no-query no-netdb-exchange default login=<username>:<password>
>
> The Safe_ports  and SSL_ports is the squid.conf default settings, and 
> include both port 443 and port 80 traffic
>
> Thanks,
>
> PG
>
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