24 lines
572 B
Markdown
24 lines
572 B
Markdown
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# certexp
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report certificate expiry for a collection of servers, which yields equivalent
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information to:
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```bash
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$ echo | openssl s_client -connect $hostname:$port 2> /dev/null | openssl x509 -noout -dates | grep notAfter
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```
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## example usage
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```bash
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$ cat sites.txt
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apple.com
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google.com
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amazon.com
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imap.gmail.com:993
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$ cat sites.txt | certexp
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apple.com 2018-10-31 23:59:59 +0000 UTC
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google.com 2018-02-13 15:19:00 +0000 UTC
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amazon.com 2018-09-21 23:59:59 +0000 UTC
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imap.gmail.com 2018-02-27 09:29:00 +0000 UTC
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```
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