Configuring the Network
Firewall
SRP 521 VoIP Gateway Administration Guide
63
4
REVIEW DRAFT — CISCO CONFIDENTIAL
Status
Enable or disable this feature. The default is Disabled.
WAN
The WAN interface.
LAN
The LAN interface.
Access Restriction
The Access Restriction page allows you to block or
allow specific kinds of Internet usage and traffic, such as
Internet access, designated applications, websites and
inbound traffic during specific days and times.
Days/Times
You can specify the days and times when you want this
policy to be enforced. Select the individual days when
the policy will be in effect, or select Everyday. Then
enter a range of hours and minutes when the policy will
be in effect, or select 24 Hours.
Website Blocking
by URL Address
You can block websites with specific keywords. Enter
each Blocking by URL.
Website Blocking
Keyword
You can also block websites by specifying keywords in
the URLs. Enter each keyword in a separate field next to
Website Blocking by Keyword.
Blocked Application
You can filter access to various Internet services, such
as FTP or telnet. You can block up to three applications
per policy. From the Applications list, select the
application you want to block.
Modify Application
If the application you want to block is not listed or you
want to edit a service's settings, enter the application's
name in the Application Name field. Enter its range in the
Port Range fields. Select its protocol from the Protocol
drop-down menu. Then click the Add button. To modify
a service, select it from the Application list. Change its
name, port range, and/or protocol setting. Then click the
Modify button. To delete a service, select it from the
Application list. Then click the Delete button.
Field
Description
