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lecaa
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Check for Let's Encrypt CAA issue
Download README (.md)
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README.md
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lecaa
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# lecaa Check for Let's Encrypt CAA issue usage ----- Prepare list of serials: ./prepare-lecaa (This will download a list of affected certificates, extract the serial numbers and sort them.) Run: ./lecaa [host] It will output affected hosts and be silent for unaffected hosts. This can be used in combination with GNU parallel to check a large number of hosts: parallel -a [file_with_list_of_hosts] -j 30 --timeout 10 ./lecaa You can use following alternative on macOS without GNU parallel due to possible moreutils package conflicts: # requirements for following command: brew install findutils gxargs -l ./lecaa < [file_with_list_of_hosts] background ---------- Let's Encrypt announced a bug in their system's CAA checks, which forced them to revoke 3 million certificates on very short notice. This script allows you to efficiently check affected hosts. * https://community.letsencrypt.org/t/revoking-certain-certificates-on-march-4/114864 * https://www.golem.de/news/tls-let-s-encrypt-muss-drei-millionen-zertifikate-zurueckziehen-2003-146999.html who --- Written by Hanno Bรถck, https://hboeck.de/
