ZoneAlarm Secure Wireless Router Z100G Discussion Forum

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Picture of Stan
AIM: Online Status For wulfzburg
Posted
I have a little tip I'd like to share -

I have an open access point (linksys router) connected to my zone alarm. I don't mind sharing my internet access with a friend in need - but I don't want to be responsible for music sharing and other stuff.

In addition to using the zonalarm's web filtering I also use opendns.com as my dns server. Whatever the z100 web filter misses (porn/adware/file sharing/ etc sites) opendns will catch and vice versa.

To prevent a neighbor or whoever from bypassing the opendns - I added a couple of rules -
ALLOW port 53 to the opendns servers.
BLOCK all other port 53.

Also will prevent a trojan/virus from redirecting DNS requests from a PC to a malicious DNS server.

It's taken a while but I've pretty much got the network locked down. Upped the access to STRICT - block a lot of things in the Smart Defense tab - added rules as needed - and will allow exceptions as needed - BLOCK gambling - but added galottery.com to exceptions.

If you start writing rules - be careful to not lock yourself out of the router :-)

Word of advice - to make the logs more valuable - do not log regular normal traffic - ie do you really care to see every http request?
 
Posts: 60 | Registered: May 16, 2007Reply With QuoteEdit or Delete MessageReport This Post
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Thanks Stan!

I use OpenDNS here too, but I had not thought of blocking other port 53 requests!

Excellent!

Jim
 
Posts: 135 | Registered: March 22, 2007Reply With QuoteEdit or Delete MessageReport This Post
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