Firewall Protection
175
NETGEAR ProSAFE VPN Firewall FVS318G v2
5. Click the Apply button.
Your changes are saved.
Manage the Application Level Gateway for SIP Sessions
The application-level gateway (ALG) facilitates multimedia sessions such as voice over IP
(VoIP) sessions that use the Session Initiation Protocol (SIP) across the firewall and provides
support for multiple SIP clients. SIP support for the ALG, which is an IPv4 feature, is disabled
by default.
To enable ALG for SIP:
1. Log in to the unit:
a. In the address field of any of the qualified web browsers, enter
https://192.168.1.1.
The NETGEAR Configuration Manager Login screen d
isplays.
b. In the Username
field, enter admin and in the Password / Passcode field, enter
password.
Use lowercase letters. If you changed the password, enter your personalized
password. Leave the domain as it is (geardomain).
c. Click
the Logi
n button.
The Router Status screen displays. After five minutes of inactivity
, which is the default
login time-out, you are automatically logged out.
2. Select Security
>
Firewall > Advanced.
3. Select the E
nable SIP ALG check box.
4. Click the Ap
ply button.
Session Timeout
TCP Timeout For each protocol, specify a time-out in seconds. A session expires if no data for
the session is received during the time-out period. The default time-out periods are
1800 seconds for TCP sessions, 120 seconds for UDP sessions, and 60 seconds
for ICMP sessions.
UDP Timeout
ICMP Timeout
Table 32. Session Limit screen settings (continued)
Setting Description
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