Casio ISA550WBUN3K9 manual Firewall and NAT Rule Configuration Examples

Firewall	6
Firewall and NAT Rule Configuration Examples

Translated Source	WAN1_IP
Address
Translated	FTPServer
Destination Address
Translated Services	FTP-CONTROL

Firewall and NAT Rule Configuration Examples

This section provides some configuration examples on adding firewall and NAT rules.

•Allowing Inbound Traffic Using the WAN IP Address, page 274

•Allowing Inbound Traffic Using a Public IP Address, page 276

•Allowing Inbound Traffic from Specified Range of Outside Hosts, page 279

•Blocking Outbound Traffic by Schedule and IP Address Range, page 280

•Blocking Outbound Traffic to an Offsite Mail Server, page 280

Allowing Inbound Traffic Using the WAN IP Address

Use Case: You host a FTP server on your LAN. You want to open the FTP server to Internet by using the IP address of the WAN1 port. Inbound traffic is addressed to your WAN1 IP address but is directed to the FTP server.

Solution: Perform the following tasks to complete the configuration:

STEP 1 Go to the Networking > Address Management page to create a host address object with the IP 192.168.75.100 called “InternalFTP.”

STEP 2 Go to the Firewall > NAT > Port Forwarding page to create a port forwarding rule as follows.

Cisco ISA500 Series Integrated Security Appliances Administration Guide 274