Troubleshoot Configure rule to use proxy AVG update

Wihat

Level 3
Thread author
Verified
Well-known
Jan 25, 2016
107
303
167
Viet Nam
Hi all,
I'm using Ubuntu Desktop 64 bit. I have set up squid3 to use proxy. I have set up a firewall, this is the link Gufw Firewall.
Now i want to configure a rule that can allow only AVG update proxy. How can i do that, can you guild me?
Thank you for help!!