Installation guide

MyPBX U5XX Administrator's Guide
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Action: Accept
Figure B-18
Step 6. Add a firewall rule to accept remote access of HTTP port. For example,
if the remote access IP is 110.5.14.6, and the port is 80, the configuration could
be as below.
Name: RemoteHTTP
Protocol: TCP
Port: 80:80
IP: 110.5.14.6/255.255.255.255
Action: Accept
Figure B-19