This is a good one. I'd say the best approach is to use an App-ID security policy rule to specifically block traffic from the untrust zone. That way you can target the port scan activity directly.
I'm a bit confused by the options here. Is an App-ID policy the same as a security policy rule? And what's the difference between a security profile and a zone protection profile?
Okay, I think I've got this. The key is to look at the traffic source and destination zones. A zone protection profile on the untrust zone should do the trick.
Wait, we're supposed to protect against port scans? I thought we were supposed to run as many port scans as possible to get a high score. Guess I've been doing this all wrong.
B) Security profiles to security policy rules? Now we're talking! I bet the person who wrote this question spends their weekends coding up complex firewall policies for fun.
C) Interface management profile? Really? That's like trying to catch a speeding bullet with a butterfly net. Not the most effective solution, if you ask me.
A) An App-ID security policy rule? Nah, that's way too complicated. I just want something that's going to block those scans without making me think too hard.
D) Zone protection profile on the zone of the ingress interface seems like the obvious choice here. I mean, who doesn't love a good zone profile to protect against those pesky port scans?
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