Grisoft AVG and firewalls
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Discussion

zumbruk

Original Poster:

7,848 posts

290 months

Monday 23rd January 2006
quotequote all
Anyone running AVG behind a "proper" firewall? The doco describes how to configure built-in ones, but I'm behind an external firewall & before I rummage through the (enormous) logs to find out what's going on, perhaps someone else here has already done it?

(The update function doesn't work - it says it can't talk to Grisoft.)

toni896

2,188 posts

256 months

Monday 23rd January 2006
quotequote all
proxy settings ? authentication needed to get past firewall

rsvmilly

11,288 posts

271 months

Monday 23rd January 2006
quotequote all
Depends what you mean by proper. I run it behind a Netgear DG834G on wired and wireless machines. I also use Zonealarm, which had to be taught to allow AVG.

A quick google turned up this forum. They reckon it is plain port 80 HTTP traffic

http://forum.grisoft.cz/freeforum/read.php?1,56613,b

zumbruk

Original Poster:

7,848 posts

290 months

Monday 23rd January 2006
quotequote all
rsvmilly said:
Depends what you mean by proper.


ipfilter on a Solaris box. I said "proper" to distinguish it from the "firewalls" that run on the host they are protecting...

rsvmilly said:
I run it behind a Netgear DG834G on wired and wireless machines. I also use Zonealarm, which had to be taught to allow AVG.

A quick google turned up this forum. They reckon it is plain port 80 HTTP traffic

http://forum.grisoft.cz/freeforum/read.php?1,56613,b


I assume it doesn't pick up the IE proxy settings, then? I don't allow PCs to talk directly to the Internet and all their web traffic is through a proxy. Looks from that forum (which I couldn't find - thanks for that!) that (i) AVG *doesn't* pick up the IE proxy settings and (ii) you can configure it to use a proxy.

Thanks for the help - once you know something is actually possible, it's much easier to look for how to do it.


>> Edited by zumbruk on Monday 23 January 11:32

toni896

2,188 posts

256 months

Monday 23rd January 2006
quotequote all
No doesn;t pick up on IE setting (shame really)
however you can can set it to use a proxy and if it still cant connect try direct, really handy for laptop users

greenv8s

31,024 posts

314 months

Monday 23rd January 2006
quotequote all
I'm running AVG Free Edition behind three firewalls (belt, braces and a bit of string 'just in case'). I'm running ZA locally, I'm behind a NAT router with an internal firewall and my ISP also provides a firewall that blocks inbound connections to all the Microsoft back doors (sorry, I meant to say standard windows network services). ZA lets me choose whether I want to allow outgoing connections per application. The others just let them through, but keep out the attempts to set up inbound connections. The only setup I had to do for AVG was tell ZA to let it make outgoing connections.

aldi

9,288 posts

267 months

Monday 23rd January 2006
quotequote all
It doesnt pick up proxy settings automatically and doesnt do proxy authentication either, I had to create some exceptions in the proxy ACL and that sorted it.

The other way I think would just be to have one machine updating, and share out the folder it d/l's the .bin updates into and get the clients to update from 'folder' rather than 'internet' - the choice is in the AVG control pannel somewhere I think.