The SSH daemon must set a timeout count on idle sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63221 | ESXI-06-000026 | SV-77711r1_rule | Low |
| Description |
|---|
| This ensures a user login will be terminated as soon as the "ClientAliveCountMax" is reached. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2019-01-04 |
Details
| Check Text ( C-63955r1_chk ) |
|---|
| To verify the ClientAliveCountMax setting, run the following command: # grep -i "^ClientAliveCountMax" /etc/ssh/sshd_config If there is no output or the output is not exactly "ClientAliveCountMax 3", this is a finding. |
| Fix Text (F-69139r1_fix) |
|---|
| To set the ClientAliveCountMax setting, add or correct the following line in "/etc/ssh/sshd_config": ClientAliveCountMax 3 |