Manage The Sip Application-Level Gateway - NETGEAR BR500 User Manual

applications from working. Open NAT provides a much less secured firewall but allows
almost all Internet applications to work. Secured NAT is the default setting.
To change the default NAT filtering settings:
1. Launch a web browser from a computer or mobile device that is connected to the
router network.
2. Enter https://www.routerlogin.net.
Your browser might display a security message, which you can ignore. For more
information, see Log in to the local browser interface on page 16.
A login window opens.
3. Enter the router user name and password.
The user name is admin. The password is the one that you specified when you set
up your router. If you didn't change the password, enter password. The user name
and password are case-sensitive.
The Dashboard displays.
4. Select ADVANCED > Firewall > Basic Setup.
The Basic Setup page displays.
5. Select a NAT Filtering radio button:
• Secured. Provides a secured firewall to protect the computers on the LAN from
attacks from the Internet but might prevent some Internet services, point-to-point
applications, or multimedia applications from functioning. By default, the Secured
radio button is selected.
• Open. Provides a much less secured firewall but allows almost all Internet
applications to function.
6. Click the Apply button.
Your settings are saved.

Manage the SIP application-level gateway

The application-level gateway (ALG) for the Session Initiation Protocol (SIP) is enabled
by default for enhanced address and port translation. However, some types of VoIP and
video traffic might not work well when the SIP ALG is enabled. For this reason, the router
provides the option to disable the SIP ALG.
Manage the Firewall and
Security
Insight Instant VPN Router BR500
50 User Manual