The rhost-based authentication for SSH must be disabled.

From Solaris 11 SPARC Security Technical Implementation Guide

Associated with: CCI-000366

SV-60973r1_rule The rhost-based authentication for SSH must be disabled.

Vulnerability discussion

Setting this parameter forces users to enter a password when authenticating with SSH.

Check content

Determine if rhost-based authentication is enabled. # grep "^IgnoreRhosts" /etc/ssh/sshd_config If the output is produced and it is not: IgnoreRhosts yes this is a finding. If the IgnoreRhosts line does not exist in the file, the default setting of "Yes" is automatically used and there is no finding.

Fix text

The root role is required. Modify the sshd_config file # pfedit /etc/ssh/sshd_config Locate the line containing: IgnoreRhosts Change it to: IgnoreRhosts yes Restart the SSH service. # svcadm restart svc:/network/ssh This action will only set the IgnoreRhosts line if it already exists in the file to ensure that it is set to the proper value. If the IgnoreRhosts line does not exist in the file, the default setting of "Yes" is automatically used, so no additional changes are needed.

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