D-Link DFL-1600 User Manual page 140

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2. Rule 1: Create a new rule that SAT HTTP traffic directed to the
external public IP address ip ext, to the private IP address of the web
server.
Rule 2: Create an NAT rule to permit traffic SAT:ed by the above
rule.
Rule 3: Create a NAT rule that allows internal machines on the local
network to access the Internet via HTTP.
WebUI
:
1. Create HTTP Service
If no http service is defined, we need to create a new service.
Objects Services
Name: http
Type: TCP
Source: 0-65535
Destination: 80
Then click OK
2. Create HTTP SAT Rule
Next step is to create the rule that will SAT HTTP traffic directed
to the external public IP address ip ext, to the private IP address of the web
server.
Rules IP Rules
Name: SAT to WebServer
Action: SAT
Service: http
Source Interface: any
Source Network: all-nets
Destination Interface: core
Destination Network: ip ext
SAT
Translate the: Destination IP Address
To New IP Address: ip webserver
Then click OK
Add TCP/UDP Service:
Add IP Rule:
D-Link Firewalls User's Guide
Chapter 14. IP Rules