Zeus

[madunix]

How yo block Zeus?

[gschmitt]

AV:

Go to Security Profiles > AntiVirus and change the radiobutton below ☑ Detect Connections to Botnet C&C Servers from Monitor to Block, hit Apply

Application Control:

Go to Security Profiles > Application Control, click the Botnet Category and select Block, hit Apply

Make sure that the Security Profile is active on your internal to wan policy. Either one should work.

[ede_pfau]

Either one should work.

Actually, the two work on different aspects of botnets.

The botnet C&C IP address blacklist is distributed and updated via the AV engine. This is a simple but effective address filter with near to no impact on CPU.

The AppCtrl signature checks for botnet activity which is not necessarily traffic to the C&C servers.

As such, CPU or CP load is a bit higher.

Both methods should be used at any installation as they complement each other.

[madunix]

Done ...