Consecutive login attempts for SSH must be limited to 3.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216115 | SOL-11.1-040340 | SV-216115r959010_rule | CCI-000366 | low |
| Description | ||||
| Setting the authentication login limit to a low value will disconnect the attacker and force a reconnect, which severely limits the speed of such brute-force attacks. | ||||
| STIG | Date | |||
| Solaris 11 X86 Security Technical Implementation Guide | 2025-05-05 | |||
Details
Check Text (C-216115r959010_chk)
Determine if consecutive login attempts are limited to 3.
# grep "^MaxAuthTries" /etc/ssh/sshd_config | grep -v Log
If the output of this command is not:
MaxAuthTries 6
this is a finding.
Note: Solaris SSH MaxAuthTries of 6 maps to 3 actual failed attempts.
Fix Text (F-17351r462479_fix)
The root role is required.
Modify the sshd_config file.
# pfedit /etc/ssh/sshd_config
Locate the line containing:
MaxAuthTries
Change it to:
MaxAuthTries 6
Restart the SSH service.
# svcadm restart svc:/network/ssh
Note: Solaris SSH MaxAuthTries of 6 maps to 3 actual failed attempts.