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Internet Security Router User
’s Manual
Chapter 9. Configuring Firewall/NAT Settings
69
Figure 9.16. Application Filter Configuration Page
9.7.1.3
Add an Application Filter
The application filter configuration is best explained with a few examples. Note that the configuration for RPC
and SMTP is similar to that for FTP and will not be presented here.
9.7.1.3.1 FTP Example: Add a FTP Filter Rule to Block FTP DELETE Command
10.64.2.0
ISR
Private Network 192.168.1.0/24
FTP Server
10.64.2.254
Inside FW
Outside FW
Figure 9.17 Network Diagram for FTP Filter Example
– Blocking FTP Delete Command
1.
Open the Application Filer Rule Configuration page (Firewall
è Policy List è Application Filter)