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April 13, 2022 21:06
Print all Subject Alternate Name (SAN) entries in a X509 cert (both hostname and IP addresses)
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openssl x509 -in ${CERT} -noout -text|grep -oP '(?<=DNS:|IP Address:)[^,]+'|sort -uV | |
# Or as a function | |
show-cert-sans() { | |
[[ -z ${1} || ${1} =~ ^- ]] && { printf "Usage: ${FUNCNAME} </path/to/ssl/cert>\n";return 2; } || true | |
[[ -e ${1} ]] || { printf "Can't find SSL Certificate ${1}\n";return 1; } | |
openssl x509 -in ${1} -noout -text|grep -oP '(?<=DNS:|IP Address:)[^,]+'|sort -uV | |
} |
Author
ThinGuy
commented
Jan 20, 2020
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