F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Attack Protection Configuration Guide-6PW100

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• Enable Telnet command word filtering to prevent users from executing commands that carry the
command keyword reboot.
Figure 81 Network diagram
202BConfiguring the firewall
1. Configure IP addresses for the interfaces of the device and assign the interfaces to security zones.
(Details not shown.)
2. Configure a keyword filtering entry named abc:
a. From the navigation tree, select Identification > Content Filtering > Filtering Entry.
The keyword filtering entry list page appears.
b. Click Add.
c. Enter the entry name abc, and the keyword abc as shown in 401HFigure 82.
d. Click Apply.
Figure 82 Configure keyword filtering entry abc
3. Configure a Telnet keyword filtering entry reboot:
a. Select the Keyword tab, and then click Add.
b. Enter the entry name reboot, and the keyword reboot as shown in 402HFigure 83.
c. Click Apply.