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jpmens/commands.md

Created March 4, 2020 15:36
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Let's Encrypt grep
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commands.md

find my domain's serial in Let's Encrypt CAA file

grep "^serial $(openssl s_client -connect example.com:443 -showcerts </dev/null 2>/dev/null |
     openssl x509 -serial -noout  |
     cut -d= -f2 |
     tr '[A-Z]' '[a-z]')" caa-rechecking-incident-affected-serials.txt
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