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Before you begin
Access the Phone Web Interface, on page 104
Procedure
Step 1
Select
Voice
>
System
>
Security Settings
.
Step 2
In the
Firewall
drop down list, select
Enabled
.
You can also configure this parameter in the configuration file (cfg.xml) by entering a string in this format:
<Firewall ua="na">Enabled</Firewall>
The allowed values are Disabled|Enabled. The default value is Enabled.
Step 3
Click
Submit All Changes
.
This enables the firewall with its default open UDP and TCP ports.
Step 4
Select
Disabled
to disable the firewall if you wish your network to return to its prior behavior.
The following table describes the default open UDP ports.
Table 9: Firewall Default Open UDP Ports
Description
Default Open UDP Port
DHCP client Port 68
DHCPv6 client Port 546
DHCP/DHCPv6
Configure the Port in
Voice
>
Ext<n>
>
SIP Settings
>
SIP Port
(example:
5060), when
Line Enable
is set to
Yes
, and
SIP Transport
is set to
UDP
or
Auto
.
SIP/UDP
UDP port range from
RTP Port Min
to
RTP Port Max+1
RTP/RTCP
Port 4051, when
Upgrade Enable
and
Peer Firmware Sharing
are set to
Yes
.
PFS (Peer Firmware
Sharing)
Ports 53240-53245. You need this port range if the remote server uses a port
other than the standard TFTP port 69. You may turn it off if the server uses
standard port 69. See
Configure Your Firewall with Additional Options, on
TFTP clients
UDP/STUN port 7999, when
Enable TR-069
is set to
Yes
.
TR-069
The following table describes the default open TCP ports.
Table 10: Firewall Default Open TCP Ports
Description
Default Open TCP Port
Port configured via Web Server Port (default 80), when
Enable Web Server
is set to
Yes
.
Web server
Cisco IP Phone 8800 Series Multiplatform Phone Administration Guide for Release 11.3(1) and Later
126
Cisco IP Phone Configuration
Enable the Firewall
Содержание 8800 Series
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Страница 329: ...P A R T III Cisco IP Phone Installation Cisco IP Phone Installation on page 311 ...
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Страница 437: ...P A R T IV Troubleshooting Troubleshooting on page 419 Monitoring Phone Systems on page 429 Maintenance on page 439 ...
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