The Photon operating system must configure sshd to restrict AllowTcpForwarding.
An XCCDF Rule
Description
While enabling Transmission Control Protocol (TCP) tunnels is a valuable function of sshd, this feature is not appropriate for use on single-purpose appliances.
- ID
- SV-256587r991589_rule
- Version
- PHTN-30-000119
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Navigate to and open:
/etc/ssh/sshd_config
Ensure the "AllowTcpForwarding" line is uncommented and set to the following: