DMZ Firewall Solution for the Express Router
4.4.2.2 Transmit (Tx) filters on LAN2
Set the default action to Pass.
4.4.3 Internet Connection Filters
4.4.3.1 Receive (Rx) Filters on the Connection to the Internet
The required receive filters for the Internet connection, shown as they appear in Advanced Setup.
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Filters are defined as follows:
Filter Function
—Prohibit users on the secure network from accessing the Internet
1Allows HTTP from the Internet to the HTTP/FTP server on the DMZ.
Settings
Default Action: | Discard |
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Action: | Pass |
Protocol: | TCP |
TCP flags: | All |
Dest. address type: | Host |
Dest. address: | 193.84.251.1 |
dest port: | = 80 |
Src. address type: | All |
Version 1.0 | 24 |