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The ESXi host Secure Shell (SSH) daemon must set a timeout interval on idle sessions.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-256395 | ESXI-70-000027 | SV-256395r885966_rule | Low |
| Description |
|---|
| Automatically logging out idle users guards against compromises via hijacked administrative sessions. |
| STIG | Date |
|---|---|
| VMware vSphere 7.0 ESXi Security Technical Implementation Guide | 2023-06-21 |
Details
| Check Text ( C-60070r885964_chk ) |
|---|
| From an ESXi shell, run the following command: # /usr/lib/vmware/openssh/bin/sshd -T|grep clientaliveinterval Expected result: clientaliveinterval 200 If the output does not match the expected result, this is a finding. |
| Fix Text (F-60013r885965_fix) |
|---|
| From an ESXi shell, add or correct the following line in "/etc/ssh/sshd_config": ClientAliveInterval 200 |