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Consecutive login attempts for SSH must be limited to 3.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-48099 | SOL-11.1-040340 | SV-60971r1_rule | 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 SPARC Security Technical Implementation Guide | 2017-01-27 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-51707r1_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. |