Zycoo CooVox-U100, Руководство пользователя

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7. Security
7.1 Firewall
CooVox IPPBX system has been preconfigured with a built
‐
in firewall which prevents your IP
phone system from unauthorized access, phone calls andother attacks.
To manage the firewall, navigate to web menu Security
‐
>Firewall .
General
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Enable Firewall : By default, the firewall is enabled.You may disable the built
‐
in firewall by
unchecking“ Enable Firewall ” checkbox.Onlyconsider disabling your firewall if your CooVox
IPPBX is behind a router/firewall without any port forwarding from the Internet.
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Disable Ping : Ignore ping request. If enabled, you cannot ping the IPPBX system.
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Drop All :Drop all packets sent to the IPPBX system, this will cause CooVox IPPBX system to
block all communication with the outside world. Because of this,thesystem 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.