Finding ID | Version | Rule ID | IA Controls | Severity |
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V-39248 | GEN005515-ESXI5-000100 | SV-51064r1_rule | Low |
Description |
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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 |
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VMware ESXi Server 5.0 Security Technical Implementation Guide | 2013-09-12 |
Check Text ( C-46512r1_chk ) |
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Disable lock down mode. Enable the ESXi Shell. Check the SSH daemon configuration for the TCP connection forwarding setting. # grep -i AllowTCPForwarding /etc/ssh/sshd_config | grep -v '^#' If "AllowTCPForwarding" is set to "yes", this is a finding. Re-enable lock down mode. |
Fix Text (F-44227r1_fix) |
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Disable lock down mode. Enable the ESXi Shell. Edit the SSH daemon configuration and add/modify the "AllowTCPForwarding" configuration setting it to "no". # vi /etc/ssh/sshd_config Re-enable lock down mode. |