DMZ Firewall Solution for the Express Router
Note The order of the NAT entries is important.
NAT entries are defined as follows:
Entry Function
1Directs all incoming HTTP requests to the Web server.
2Directs all incoming FTP requests to the Web server.
3Directs all incoming SMTP requests to the SMTP server
4Directs all incoming NNTP requests to the News server.
5Directs all other incoming traffic to the DMZ.
Settings
Mapping type: | Static Port (Single IP) |
Internal address: | 10.2.0.1 |
Internal port: | 80 |
External IP address: | <IP address from ISP> |
External port: | 80 |
Mapping type: | Static Port (Single IP) |
Internal address: | 10.2.0.1 |
Internal port: | 21 |
External IP address: | <IP address from ISP> |
External port: | 21 |
Mapping type: | Static Port (Single IP) |
Internal address: | 10.2.0.3 |
Internal port: | 25 |
External address: | <IP address from ISP> |
External port | 25 |
Type: | Static Port (Single IP) |
Internal address: | 10.2.0.4 |
Internal port: | 119 |
External IP address: | <IP address from ISP> |
External port: | 119 |
Type: | Network to single IP |
Internal address: | 10.2.0.0 |
External IP address: | <IP address from ISP> |
3.3IP Filters Setup
This section describes the required IP filters for the LAN1, LAN2 and connection to the Internet.
3.3.1 LAN1 Filters
3.3.1.1 Receive (Rx) Filters on LAN1
Configure these receive filters for the LAN1 port, shown as they appear in Advanced Setup.
Version 1.0 | 7 |
