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 client must be configured to not allow TCP forwarding.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| GEN005516-ESXI5-703 | GEN005516-ESXI5-703 | GEN005516-ESXI5-703_rule | Low |
| Description |
|---|
| SSH TCP connection forwarding provides a mechanism to establish TCP connections proxied by the SSH server. This function can provide similar convenience to a Virtual Private Network (VPN) with the similar risk of providing a path to circumvent firewalls and network ACLs. |
| STIG | Date |
|---|---|
| VMware ESXi v5 Security Technical Implementation Guide | 2013-01-15 |
Details
| Check Text ( C-GEN005516-ESXI5-703_chk ) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Check the SSH client configuration for allowed MACs. # grep Forward /etc/ssh/ssh_config | grep -v '^#' Re-enable lock down mode. If any forward list exists, this is a finding. |
| Fix Text (F-GEN005516-ESXI5-703_fix) |
|---|
| Disable lock down mode. Enable the ESXi Shell. Edit the SSH client configuration and delete any/all existing Forward lists in the client configuration. # vi /etc/ssh/ssh_config Re-enable lock down mode. |