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AIX7-00-002104 - The AIX SSH server must use SSH Protocol 2.

Warning! Audit Deprecated

This audit has been deprecated and will be removed in a future update.

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Information

Without confidentiality protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session.

Remote access is access to DoD nonpublic information systems by an authorized user (or an information system) communicating through an external, non-organization-controlled network. Remote access methods include, for example, dial-up, broadband, and wireless.

Encryption provides a means to secure the remote connection to prevent unauthorized access to the data traversing the remote access connection (e.g., RDP), thereby providing a degree of confidentiality. The encryption strength of a mechanism is selected based on the security categorization of the information.

Solution

Add or edit the following line in the '/etc/ssh/sshd_config' file to support 'Protocol 2' only:
Protocol 2

Save the change to /etc/ssh/sshd_config

Restart ssh daemon:
# stopsrc -s sshd
# startsrc -s sshd

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_IBM_AIX_7-x_V2R3_STIG.zip

Item Details

References: CAT|II, CCI|CCI-000068, Rule-ID|SV-215289r508663_rule, STIG-ID|AIX7-00-002104, STIG-Legacy|SV-101345, STIG-Legacy|V-91245, Vuln-ID|V-215289

Plugin: Unix

Control ID: 046562f5051f409d3373f9b4b4a5e707d29a0700f9f3b82aff7d0fa69914c686