Changes are coming to https://stigviewer.com.
Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey
The SSH daemon must be configured to not allow X11 forwarding.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-63215 | ESXI-06-000023 | SV-77705r1_rule | Medium |
| Description |
|---|
| X11 forwarding over SSH allows for the secure remote execution of X11-based applications. This feature can increase the attack surface of an SSH connection. |
| STIG | Date |
|---|---|
| VMware vSphere ESXi 6.0 Security Technical Implementation Guide | 2017-07-11 |
Details
| Check Text ( C-63949r1_chk ) |
|---|
| To verify the X11Forwarding setting, run the following command: # grep -i "^X11Forwarding" /etc/ssh/sshd_config If there is no output or the output is not exactly "X11Forwarding no", this is a finding. |
| Fix Text (F-69133r1_fix) |
|---|
| To set the X11Forwarding setting, add or correct the following line in "/etc/ssh/sshd_config": X11Forwarding no |