DVX IPPBX
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6. Security
6.1 Firewall
DVX IPPBX system has been preconfigured with a built-in firewall which prevents your IP phone
system from unauthorized access, phone calls and certainother attacks.
To manage the firewall, navigate to web menu Security->Firewall.
General
Enable Firewall: By default, the firewall is enabled.You may disable the built-in firewall by
unchecking“Enable Firewall” checkbox.Only consider disabling your firewall if your DVX
IPPBX is behind a router/firewall without any port forwarding from the Internet.
Disable Ping: Ignore ping request. If enabled, you cannot ping the IPPBX system.
Drop All:Drop all packets sent to the IPPBX system, this will cause DVX IPPBX system to block
all communication with the outside world. Because of this,the system will prompt to add at
least one grant rule on port 22(SSH) or 9999(Web) to make sure the IPPBX system is not
totally unreachable.
The rule/rules can be created in the “Common Rules” section.
Common Rules
In Common Rules section, you can configure the firewall to grant or deny an IP address or a
network from communicating with the IPPBX system. Even the service port number can be
specified so it can grant or deny a specific IP or network to access a specific service.
By clicking “Add Rule” button you can add a custom rule for rejecting or accepting an IP address
or network address.
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