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Securing Email with Cisco Email Security Appliance
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antivirus
antispam
virus outbreak filter
senderbase reputation filter
Reference: https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118775-technote-esa-00.html (note under enable url filtering)
83
82
443
80
removes threats from malicious URLs
blacklists spam
provides URL reputation protection
enhances reputation against malicious URLs
Refer to the exhibit. Which SPF record is valid for mycompany.com?
A. v=spf1 a mx ip4:199.209.31.2 -all B. v=spf1 a mx ip4:10.1.10.23 -all
C. v=spf1 a mx ip4:199.209.31.21 -all D. v=spf1 a mx ip4:172.16.18.230 -all
decrypt on delivery
quarantine
skip antispam
archive
domain
IP address
DNS server address
DHCP server address
external spam quarantine
Reference: https://www.cisco.com/c/en/us/support/docs/security/email-security-appliance/118542-qa-esa-00.html
A. 30 seconds B. 90 seconds
60 seconds
120 seconds
minimum attachment size to scan
attachment scanning timeout
actions for unscannable messages due to attachment type
minimum depth of attachment recursion to scan
Reference: https://community.cisco.com/t5/email-security/cisco-ironport-esa-security-services-scan-behavior-impact-on-av/td-p/3923243
Show the SLBL cache on the CLI.
Monitor Incoming/Outgoing Listener.
Export the SLBL to a .csv file.
Debug the mail flow policy. Correct Answer: C Explanation
A policy quarantine is missing.
More than one email pipeline is defined.
The "modify the message subject" is already set.
The "add custom header" action is performed first.
conditions
subject
content
actions
policies
Reference: https://www.cisco.com/c/en/us/td/docs/security/ces/user_guide/esa_user_guide_11- 1/b_ESA_Admin_Guide_ces_11_1/b_ESA_Admin_Guide_chapter_01010.pdf