Table of Contents
Question
An administrator needs to configure a Cisco ESA to block specific domains based on their reputation. Which service within the Cisco ESA should be utilized to accomplish this task?
A. Receiving SMTP Policy
B. Data Loss Prevention
C. Anti-Virus
D. Sender Group
Answer
A. Receiving SMTP Policy
Explanation
To block specific domains based on their reputation on a Cisco ESA (Email Security Appliance), the service that should be utilized is the “Receiving SMTP Policy” (Option A).
Here’s a comprehensive explanation of the options:
A. Receiving SMTP Policy: The Receiving SMTP Policy service on the Cisco ESA allows administrators to define policies and rules that control the acceptance or rejection of incoming email messages based on various criteria. Reputation-based blocking is one of the features provided by the Receiving SMTP Policy service. By configuring reputation filters, the administrator can block specific domains based on their reputation scores or categories.
B. Data Loss Prevention (DLP): The Data Loss Prevention service is used to prevent the unauthorized disclosure of sensitive information through email. It focuses on identifying and blocking email messages that contain specific types of sensitive data, such as credit card numbers, social security numbers, or personally identifiable information (PII). While DLP is an important security measure, it is not specifically designed for blocking domains based on their reputation.
C. Anti-Virus: The Anti-Virus service on the Cisco ESA is responsible for scanning email messages and attachments to detect and block known viruses, malware, and other malicious code. Although it plays a crucial role in email security, it is not the appropriate service for blocking specific domains based on their reputation.
D. Sender Group: The Sender Group feature allows administrators to categorize and manage email senders based on specific criteria such as IP addresses or domains. However, it is not specifically designed to block domains based on their reputation. Sender Groups are typically used for managing email flow, applying policies, or applying specific actions to groups of senders.
In summary, to block specific domains based on their reputation on a Cisco ESA, the administrator should utilize the “Receiving SMTP Policy” service (Option A). This service allows for the configuration of reputation filters that can block domains based on their reputation scores or categories.
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