The Photon operating system must configure sshd to limit the number of allowed login attempts per connection.
An XCCDF Rule
Description
By setting the login attempt limit to a low value, an attacker will be forced to reconnect frequently, which severely limits the speed and effectiveness of brute-force attacks.
- ID
- SV-256557r991589_rule
- Version
- PHTN-30-000088
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Navigate to and open:
/etc/ssh/sshd_config
Ensure the "MaxAuthTries" line is uncommented and set to the following: