Setting Up Dmz Host; Allowing Sip Request Through Nat; Firewall - Outgoing Ip Filter - Asus DSL-N13 User Manual

Wireless adsl 2/2+

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DSL-N13 Wireless ADSL 2/2+ Modem Router User Manual

Setting up DMZ host

The function of DMZ is similar to that of virtual server. The difference between vitual

server and DMZ is that DMZ opens all ports to WAN while virtual server opens ports

according to the demand of the enabled services. To configure DMZ host:

1. Click Advanced Setup -> NAT -> DMZ Host in the left side menu to open the

configuration page.

2. Enter the IP address of the host to be setup as DMZ host.

3. Press Save/Apply to activate the settings.

NAT checks IP header only and translate the information into private IP address.

However, for applications that demand many dynamic ports for session control such as

Session Initiation Protocol (SIP), traditional NAT cannot translate the address because

lack of preset service ports. To enable such services while at the same time do not

sacrifice network security, DSL-N13 introduces Application Layer Gateway (ALG) to

allow SIP request going through fireware and NAT from WAN. To configure ALG:

1. Click Advanced Setup -> NAT -> ALG in the left side menu to open the

configuration page.

2. Select SIP Enabled checkbox to allow SIP request, or uncheck to disable.

3. Press Save/Apply to save and activate the settings.

By default, all outbound IP traffic is allowed. You can block certain types of IP traffic by

setting up filter rules at DSL-N13.

1. Click Advanced Setup -> Security -> IP Filtering -> Outgoing in the left side

menu to open the configuration page. Click Add to create a new rule.

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