The sys admin's daily grind – testssl.sh
A Key Role
Back in the day, integrating and function testing an SSL certificate was an easy thing to do. Now, you can use a shell script that talks plain English, despite the Babylonian confusion of key protocols and ciphers.
Web servers with SSL certificates will likely be the rule. The administrator's responsibility for keeping track of which SSL and TLS settings are up to date on which servers tends to grow proportionally. I have found a trusty helper for this task, testssl.sh [1], a shell script with many capabilities. For example, typing
testssl -U https://<server>
runs scan tests for popular exploits like Heartbleed, Poodle, and Crime (see output in Listing 1), and I can trigger each test option individually. To discover whether a server is vulnerable for Logjam, I would just type:
[...]
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