Configure ALG settings
Advanced > NAT > ALG
A Virtual Private Network (VPN) is a network that uses a public network, such as the
Internet, to provide secure communications between a remote computer or network
and another network. Some offices often provide VPN access to their networks to
enable employees to work from their remote office/home office, or while traveling.
If your office or place of work has allowed and authorized access for you to access their
network through VPN, the default VPN settings in your router have been configured to
pass through the most common types of VPN protocols, which typically do not require
any additional configuration changes.
1. Log into your router management page (see “Access your router management page”
on page 22).
2. Click on Advanced, click on NAT, and click on ALG.
3. Review the settings and click Apply to save settings.
FTP: File Transfer Protocol (FTP) is used to transfer files between computers on a
TCP/IP based network, such as the Internet. Check this box to enable this function
to work through your modem router.
SNMP: Simple Network Management Protocol (SNMP) is a network protocol used
to monitor the devices connected to a network. Check this box to enable this
function to work through your modem router.
RTSP: Real Time Streaming Protocol (RTSP) is a network protocol used for
entertainment and communication systems to control streaming media sessions.
Check this box to enable this function to work through your modem router.
SIP: Session Initiation Protocol (SIP) is a signaling protocol used to control
multimedia communication sessions such as voice and video calls over Internet
Protocol (IP). Check this box to enable this function to work through your modem
router.
IRC: Internet Relay Chat (IRC) is a real-time Internet chatting protocol designed for
group communications. Check this box to enable this function to work through
your modem router.
H323: H.323 is a standard that provides audio-visual communication sessions on a
network. It is widely implemented in voice and video conferencing equipments and
is used within various Internet real-time applications such as NetMeeting. Check
this box to enable this function to work
Additional Security Settings
Advanced > Firewall
To provide additional security, your router offers DoS (Denial of Service) detection and
SPI mode further prevent network attacks. You may want to enable these features for
additional network security.
DoS Protection
1. Log into your router management page (see “Access your router management page”
on page 22).
2. Click on Advanced, click on Firewall, and click on DoS Protection.
3. Review the settings below and click Apply to save settings.
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