Intel 9515 Benutzerhandbuch
DMZ Firewall Solution for the Express Router
07-12-99 Version
1.0
8
Filters are defined as follows:
Filter
Function
Settings
—
Prohibit users on the secure network
access to the Internet
access to the Internet
Default Action:
Discard
1
Allows access to the HTTP /FTP
proxy server on the DMZ.
proxy server on the DMZ.
Action:
Pass
Protocol:
All
Dest. address type:
Host
Dest. address:
10.2.0.2
Src. address type:
All
2
Allows access to the SMTP server on
the DMZ.
the DMZ.
Action:
Pass
Protocol:
All
Dest. address type:
Host
Dest. address:
10.2.0.3
Src. address type:
All
3
Allows access to News (proxy) server
on the DMZ.
on the DMZ.
Action: Pass
Protocol:
Protocol:
All
Dest. address type:
Host
Dest. address:
10.2.0.4
Src. address type:
All
4
Allows access to the router from the
private LAN.
private LAN.
Action:
Pass
Protocol:
All
Dest. port address:
Host
Dest. address:
<LAN1 IP address>
Scr. address type:
All
3.3.1.2 Transmit (Tx) Filters on LAN1
Configure these transmit filters for the LAN1 port, shown as they appear in Advanced Setup.
Filters are defined as follows:
Filter
Function
Settings
—
Prohibit users on the secure network
access to the Internet
access to the Internet
Default Action:
Discard
1
Allows HTTP and FTP (read only using
HTTP) from secure LAN to HTTP/FTP
proxy server on the DMZ.
HTTP) from secure LAN to HTTP/FTP
proxy server on the DMZ.
Action:
Pass
Protocol:
TCP
TCP flags:
ACK
Dest. address type:
All
Dest. port:
>1023
Src. address type:
Host