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openssl

What Requires OpenSSL

September 15, 2023

Here’s the command to list what app or package requires OpenSSL.

repoquery --whatrequires --installed --recursive openssl

repoquery --whatrequires --installed --recursive openssl

Result

authconfig-0:6.2.8-30.el7.x86_64
falcon-sensor-0:6.38.0-13501.el7.x86_64
python2-cryptography-0:1.7.2-2.el7.x86_64
realmd-0:0.16.1-12.el7_9.1.x86_64
terraform-0:1.3.6-1.x86_64

authconfig-0:6.2.8-30.el7.x86_64 falcon-sensor-0:6.38.0-13501.el7.x86_64 python2-cryptography-0:1.7.2-2.el7.x86_64 realmd-0:0.16.1-12.el7_9.1.x86_64 terraform-0:1.3.6-1.x86_64

Filed Under: Linux Tagged With: openssl, package, requires, ssl, tls

Active SSL and TLS Protocols

September 15, 2023

Here’s the command to list what SSL and TLS protocols are active.

openssl ciphers -v | awk '{print $2}' | sort | uniq

openssl ciphers -v | awk '{print $2}' | sort | uniq

Filed Under: Linux Tagged With: cipher, openssl, ssl, tls, version

SSL PEM Expiration

January 6, 2022

Find out when SSL expires from a PEM file.

$ openssl x509 -enddate -noout -in your.cert
notAfter=Jan  5 07:08:14 2032 GMT

$ openssl x509 -enddate -noout -in your.cert notAfter=Jan 5 07:08:14 2032 GMT

notAfter date is returned.

Filed Under: Linux Tagged With: expiration, openssl, pem, ssl

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