D-Link DSR-150 User Manual page 91

Unified Services Router
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Th is ro u t er s up port s mu lt i-NA T an d s o t h e Ext ern al IP ad d res s d o es n o t n ecessarily
h av e t o b e t h e W A N ad d res s . On a s in g le W A N in t erface, mu lt ip le p u b lic IP
ad d res ses are s u ppo rted. If y o u r ISP as s ig ns y o u mo re t h an o n e p u b lic IP ad d res s ,
o n e o f t h es e can b e u s ed as y o u r p rimary IP ad d res s o n t h e W A N p o rt , an d t h e
o t h ers can b e assig ned t o s erv ers o n t h e LA N o r DM Z. In t h is way t h e LA N/ DM Z
s erv er can b e acces s ed fro m t h e in t ern et b y it s alias ed p u b lic IP ad d res s .
7.
Outbound rules can use Source NAT (SNAT) in order to map (bind) all LAN/DMZ traffic
matching the rule parameters to a specific WAN interface or external IP address (usually
provided by your ISP).
On ce t h e n ew o r mo d ified ru le p aramet ers are s av ed , it ap p ears in t h e mas t er lis t o f
firewall ru les . To en ab le o r d is ab le a ru le, click t h e ch eckb o x n ext t o t h e ru le in t h e
lis t o f firewall ru les an d ch o o s e En ab le o r Dis ab le.
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Th e ro u t er ap p lies firewall ru les in t h e o rd er lis t ed . A s a g en eral ru le, y o u s h o u ld
mo v e t h e s t rict est ru les (t h ose wit h t h e mo s t s pecif ic s erv ices o r ad d res s es ) t o t h e
t o p o f t h e lis t . To reo rd er ru les , click t h e ch eckb o x n ext t o a ru le an d click u p o r
d o wn .
Ext ern a l IP ad d ress: Th e ru le can b e b o un d t o a s p ecific W A N in t erface
b y s elect in g eit h er t h e p rimary W A N o r co n fig urab le p o rt W A N as t h e
s o u rce IP ad d res s fo r in co min g t raffic.
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User Manual