300-720 · Question #110
Which feature must be activated on a Cisco ESA to combat backscatter?
The correct answer is D. Bounce Verification. Enabling Bounce Verification is a very good way to combat backscatter/bounce attacks. The concept behind bounce verification is simple. First, mark up messages leaving your ESA. Look for that markup on any bounce messages, if the markup is present, it means that this is a…
Question
Which feature must be activated on a Cisco ESA to combat backscatter?
Options
- AGraymail Detection
- BBounce Profile
- CForged Email Detection
- DBounce Verification
How the community answered
(34 responses)- A3% (1)
- C3% (1)
- D94% (32)
Explanation
Enabling Bounce Verification is a very good way to combat backscatter/bounce attacks. The concept behind bounce verification is simple. First, mark up messages leaving your ESA. Look for that markup on any bounce messages, if the markup is present, it means that this is a bounce of a message that originated in your environment. If the markup is missing, the bounce is fraudulent and can be rejected or dropped. 1/user_guide/b_ESA_Admin_Guide_11_1/b_ESA_Admin_Guide_chapter_011001.html?bookSea rch=true#con_1134690
Topics
Community Discussion
No community discussion yet for this question.