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npx skills add https://github.com/CyberStrikeus/CyberStrike --skill cis-ubuntu1804-v220-4-2-13El comando permanece en una sola línea. Desplázate horizontalmente para revisarlo antes de copiarlo.
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Basado en la clasificación ocupacional SOC
Mostrando SKILL.md
| name | cis-ubuntu1804-v220-4-2-13 |
| description | Ensure sshd LogLevel is configured |
| category | cis-networking |
| version | 2.2.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-18.04","ssh","remote-access"] |
| cis_id | 4.2.13 |
| cis_benchmark | CIS Ubuntu Linux 18.04 LTS Benchmark v2.2.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
SSH provides several logging levels with varying amounts of verbosity. DEBUG is specifically not recommended other than strictly for debugging SSH communications since it provides so much data that it is difficult to identify important security information.
SSH LogLevel should be set to VERBOSE or INFO level. This ensures login and logout activity, as well as key fingerprints, are logged. The INFO level outputs only minimal information, while VERBOSE provides additional SSH key information.
Run the following command and verify the output:
sshd -T | grep -i loglevel
loglevel VERBOSE
OR
loglevel INFO
Edit the /etc/ssh/sshd_config file to set the parameter as follows:
LogLevel VERBOSE
LogLevel INFO
v8 - 8.5 Collect Detailed Audit Logs - Configure detailed audit logging for enterprise assets containing sensitive data.
v7 - 6.2 Activate Audit Logging - Ensure that local logging has been enabled on all systems and networking devices.
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