Which functionality is impacted if the assigned certificate under one of the IP interfaces is modified?
If the assigned certificate under one of the IP interfaces is modified, then the HTTPS traffic when connecting to the web user interface of the Cisco Secure Email Gateway will be impacted. The administrator must ensure that the certificate is valid and trusted by the browser or client that is used to access the web user interface. Otherwise, the connection may fail or generate a warning message.Reference: [Cisco Secure Email Gateway Administrator Guide - Configuring Certificates]
When the Spam Quarantine is configured on the Cisco ESA, what validates end-users via LDAP during login to the End-User Quarantine?
Spam Quarantine End-User Authentication Query is a query that Cisco ESA performs against an LDAP server to validate the end-user credentials during login to the End-User Quarantine.
A Cisco Secure Email Gateway administrator is creating a Mail Flow Policy to receive outbound email from Microsoft Exchange. Which Connection Behavior must be selected to properly process the messages?
Relay is the connection behavior that must be selected to properly process the messages. Relay allows Cisco ESA to accept messages from the specified source and deliver them to the intended destination, without applying any content or reputation filters.
To configure a mail flow policy with relay connection behavior on Cisco ESA, the administrator can follow these steps:
Select Mail Policies > Mail Flow Policies and click Add Policy.
Enter a name and description for the mail flow policy, such as Exchange Outbound.
Under Connection Behavior, select Relay.
Click Submit.
The other options are not valid connection behaviors to properly process the messages, because they either reject, delay, or accept the messages with content or reputation filters applied.
Which feature must be activated on a Cisco Secure Email Gateway to combat backscatter?
To combat backscatter, which is a type of spam that consists of bounce messages sent to forged sender addresses, the administrator must enable the Bounce Verification feature under Security Settings. This feature allows the appliance to verify whether a bounce message is legitimate or not by checking if the original message was sent from the appliance. If not, the bounce message is considered as backscatter and can be dropped or quarantined.Reference: [Cisco Secure Email Gateway Administrator Guide - Configuring Bounce Verification]
A network engineer must tighten up the SPAM control policy of an organization due to a recent SPAM attack. In which scenario does enabling regional scanning improve security for this organization?
Enabling regional scanning improves security for this organization when most of the received email originates from a specific region. Regional scanning is a feature that allows Cisco ESA to apply different spam thresholds and actions based on the geographic region of the sender's IP address, using a database of IP addresses and regions.
To enable regional scanning on Cisco ESA, the administrator can follow these steps:
Select Security Services > IronPort Anti-Spam and click Edit Settings.
Under Regional Scanning, select Enable Regional Scanning.
Click Submit.
Select Security Services > IronPort Anti-Spam > Regional Settings and click Add Region.
Choose a region from the drop-down menu, such as Asia Pacific.
Enter a spam threshold and an action for that region, such as 80 and Drop.
Click Submit.
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