Question 1

How do I use ssh-audit to check for weak encryption algorithms?

Accepted Answer

Run ssh-audit with the target host; it automatically lists algorithms categorized as weak or legacy in the output, along with specific recommendations for removal or upgrade based on the server's software version.

Question 2

ssh-audit vs OpenVAS for SSH security scanning, which should I use?

Accepted Answer

ssh-audit specializes in deep SSH configuration analysis with historical CVE data, while OpenVAS is a broader vulnerability scanner. Use ssh-audit for focused SSH audits and OpenVAS for comprehensive network vulnerability assessments.

Question 3

Can ssh-audit audit SSH servers on custom ports?

Accepted Answer

Yes, use the -p or --port option to specify a custom port, as shown in the usage examples. For instance, 'ssh-audit -p 2222 hostname' audits SSH on port 2222.

Question 4

How to run ssh-audit in batch mode for multiple servers?

Accepted Answer

Enable batch mode with the -b flag; it outputs without headers or empty lines, making it easy to parse in scripts. Combine with shell loops or automation tools for efficient multi-server audits.

Question 5

Does ssh-audit support auditing SSH version 1?

Accepted Answer

Yes, it fully supports SSH1 protocol auditing, including fingerprint information and automatic fallback if SSH2 is not available, as mentioned in the features and changelog.

Question 6

Is ssh-audit suitable for compliance reports like PCI DSS?

Accepted Answer

It helps identify weak encryption and misconfigurations relevant to compliance, but should be used alongside other tools for full audits, as it doesn't cover aspects like access controls or logging policies.

ssh-audit

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