F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices NAT and ALG Configuration Guide-6PW100

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a. Select Firewall > ALG from the navigation tree.
b. Add sip to the Selected Application Protocols list.
c. Click Apply.
Figure 45 Enabling ALG for SIP
2. Configure ACL 2001:
a. Select Firewall > ACL from the navigation tree.
b. Click Add.
c. Enter 2001 in the ACL Number field.
d. Select Config as the match order.
e. Click Apply.
Figure 46 Adding ACL 2001
f. Click the icon for ACL 2001.
g. Click Add.
h. Select Permit as the operation.