D-Link DWC-1000 User Manual page 201

Wireless Controller
6.
Inbound rules can use Destination NAT (DNAT) for managing traffic from the Option.
Destination NAT is available when the To Zone = DMZ or secure LAN.
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Th is co n t roller s u pp orts mu lt i-NA T an d s o t h e Ext ern al IP ad d res s d oes n ot
n eces s arily h av e t o b e t h e Op t io n ad d res s . On a s in g le Op t io n in t erface,
mu lt ip le p u b lic IP ad d res s es are s u p p o rt ed . If y o u r ISP as s ig n s 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 Op t ion p ort , an d t h e o t hers can b e as sign ed t o s ervers 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 Option 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 co n t ro ller 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 uld mo v e t h e s trict est ru les (t h ose wit h t h e mo s t s pecific s erv ices or
ad d res ses) 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 ox n ext t o
a ru le an d click u p o r d o wn .
W it h an in b o u n d allo w ru le y o u can en t er t h e in t ern al s erv er ad d res s
t h at is h o s t in g t h e s elect ed s erv ice.
Yo u can en ab le p o rt fo rward in g fo r an in co min g s erv ice s p ecific ru le
(Fro m Zo n e = Op t io n ) b y s electin g t h e app rop riat e ch eckb o x. Th is will
allo w t h e s elect ed s erv ice t raffic fro m t h e in t ern et t o reach t h e
ap p ro p riat e LA N p o rt v ia a p o rt fo rward in g ru le.
Tran s lat e Po rt Nu mb er: W it h p o rt fo rward in g , t h e in co min g t raffic t o
b e fo rward ed t o t h e p o rt n u mb er en t ered h ere.
Ext ern al IP ad d res s : Th e ru le can b e b o u n d t o a s p ecific Op t io n
in t erface b y s elect in g eit h er t h e p rimary Op t io n o r co n fig u rab le p o rt
Op t io 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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