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The Exchange Internet Message Access Protocol 4 (IMAP4) service must be disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-259667 | EX19-MB-000065 | SV-259667r960963_rule | Medium |
| Description |
|---|
| 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 be captured from the network, allowing a malicious user to access other system features. Uninstalling or disabling the service will prevent the use of the IMAP4 protocol. |
| STIG | Date |
|---|---|
| Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide | 2024-06-10 |
Details
| Check Text ( C-63406r942313_chk ) |
|---|
| Note: This requirement applies to IMAP4. IMAP Secure is not restricted and does not apply to this requirement. Open the Windows PowerShell and enter the following command: Get-Service -Name MSExchangeIMAPBE,MSExchangeImap4 |Select-Object -Property Name,StartType If ANY of the IMAP services StartType is NOT set to "Disabled", this is a finding. |
| Fix Text (F-63314r942314_fix) |
|---|
| Open the Windows PowerShell in an Elevated Prompt and enter the following commands: Get-Service -Name MSExchangeIMAPBE,MSExchangeImap4 |ForEach-Object {Set-Service -Name $_.Name -StartupType Disabled} |