NIS 2009 blocks replies

Hello!

I have a problem after installing NIS 2009 on Vista Ultimate x64. 

I can't get any application to connect over VPN.

I connect to internet through VPN connection and everything works fine.

Then I establish VPN connection to server (address for examle Y.Y.Y.Y) through Internet (computer receives an IP, for example X.X.X.X). Then I type this IP into browser to access a WEB server and it cannot display anything.  No other security products are used on client.

 

When I used NIS 2008 everything was working. I checked server firewall log, it DOES receives connections and it DOES send replies, but no application can't get them. I even tried to telnet on 80 port, it connects, sends data and again no reply. If I connect directly to Y.Y.Y.Y it receives reply (web server settings are Ok).

I uninstall NIS 2009, everything works. I install it again everething works, if the connection was made before installation. After reconnecting VPN I get this trouble again.

Firewall rules are set to allow everything to and from IPs  Y.Y.Y.Y and X.X.X.X. Network trust set to TRUSTED.

Doesn't help. Disabling NIS 2009 doen't solve it either.

 

Any ideas? Id downgrading the only solution?