Connectivity
392
Check Point ZoneAlarm User Guide
•
If possible, disable NAT in the router. Refer to the router’s documentation for
instructions on how to do this.
•
If the router has a “DMZ Computer” or “Exposed Host” option, set it to the
ZoneAlarm router’s external IP address.
•
Open the following ports in the NAT device:
•
UDP 9281/9282
•
UDP 500
•
UDP 2746
•
TCP 256
•
TCP 264
•
ESP IP protocol 50
•
TCP 981
I cannot receive audio or video calls through the ZoneAlarm router. What should I do?
To enable audio/video, you must configure an
IP Telephony (H.323)
virtual server. For
instructions, see
Configuring Servers
on page 185.
I run a public Web server at home but it cannot be accessed from the Internet. What should I
do?
Configure a virtual Web Server. For instructions, see
Configuring Servers
on page 185.
I cannot connect to the LAN network from the WLAN network. What should I do?
By default, connections from the WLAN network to the LAN network are blocked. To
allow traffic from the WLAN to the LAN, configure appropriate firewall rules. For
instructions, see
Using Rules
on page 172.