MyPBX U300 Administrator Guide
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Figure 19-2 Security Center
—Service
3) Port
In
“Port” tab, you can check SIP port and HTTP port. You can also enter the relevant
page by clicking the button in
“Setting” column.
Figure 19-3 Security Center
—Port
Firewall Rules
Firewalls are used to prevent unauthorized Internet users from accessing private
networks connected to the Internet, especially intranets. All messages entering or
leaving the intranet pass through the firewall, which examines each message and
blocks those that do not meet the specified security criteria.
Figure 19-4 Firewall Settings
