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Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000119

    Group
  • Exchange must protect audit data against unauthorized access.

    Log files help establish a history of activities and can be useful in detecting attack attempts or determining tuning adjustments to improve availability. Audit log content must always be considere...
    Rule Medium Severity
  • SRG-APP-000120

    Group
  • SRG-APP-000125

    Group
  • SRG-APP-000131

    Group
  • SRG-APP-000141

    Group
  • SRG-APP-000141

    Group
  • Exchange must not send customer experience reports to Microsoft.

    It is detrimental for applications to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and...
    Rule Medium Severity
  • SRG-APP-000141

    Group
  • The Exchange Internet Message Access Protocol 4 (IMAP4) service must be disabled.

    IMAP4 is not approved for use within the DOD. It uses a clear-text-based user name and password and does not support the DOD standard for PKI for email access. User name and password could easily b...
    Rule Medium Severity
  • SRG-APP-000141

    Group
  • SRG-APP-000211

    Group
  • Exchange Mailbox databases must reside on a dedicated partition.

    In the same way that added security layers can provide a cumulative positive effect on security posture, multiple applications can provide a cumulative negative effect. A vulnerability and subseque...
    Rule Medium Severity
  • SRG-APP-000213

    Group
  • SRG-APP-000231

    Group
  • Exchange mailboxes must be retained until backups are complete.

    Backup and recovery procedures are an important part of overall system availability and integrity. Complete backups reduce the chance of accidental deletion of important information and make it pos...
    Rule Medium Severity
  • SRG-APP-000231

    Group
  • Exchange email forwarding must be restricted.

    Auto-forwarded email accounts do not meet the requirement for digital signature and encryption of Controlled Unclassified Information (CUI) and Personally Identifiable Information (PII) in accordan...
    Rule Medium Severity
  • SRG-APP-000231

    Group
  • Exchange email-forwarding SMTP domains must be restricted.

    Auto-forwarded email accounts do not meet the requirement for digital signature and encryption of Controlled Unclassified Information (CUI) and Personally Identifiable Information (PII) in accordan...
    Rule Medium Severity

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