HP Sa3110 - VPN Server Appliance Manual page 63

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Information Information
Information Information
Hewlett-Packard Company Virtual Private Networking Concepts Guide
To IP address
To subnet
To port
From IP address
From subnet
From port
Protocol
Action
Firewall and Tunnels Overview (page 5-1)
Tunnel Types (page 5-8)
Tunnel Termination and Firewall Rules (page 5-31)
0.0.0.0
0.0.0.0
53
198.53.144.2
255.255.255.255
53
TCP
permit
Filters
Do not limit which
addresses can
access or be
accessed by the
DNS.
DNS updates are
requested on this
port.
You allow only the
DNS machine to be
addressed on the
red (trusted)
network.
Make DNS requests
on this port.
Make DNS requests
and refreshes over
TCP, not UDP.
You allow access.
5-7