I am a mac user and want to stay with the system-provided version of OpenSSL, which is OpenSSL 0.9.8y. I am wondering if installation of macports will automatically update my OpenSSL or install another version?

Also, how can I check the version of the OpenSSL library on my mac instead of the version of the OpenSSL command? Do they always have the same version? Thanks!

2 Answers 2


MacPorts will not replace your system-provided version of OpenSSL. If you install OpenSSL using MacPorts, it will do so in a separate prefix (by default /opt/local).

To check the version of the OpenSSL library, run /path/to/openssl version where /path/to/openssl is the path of the OpenSSL binary that corresponds to the library you want to check, e.g. /usr/bin/openssl for the system OpenSSL in /usr/lib/libssl.dylib and /opt/local/bin/openssl for the MacPorts OpenSSL in /opt/local/lib/libssl.dylib.

You can also check the OpenSSL library version directly using

$> strings /path/to/libssl.dylib | grep -E '^OpenSSL'

e.g. for MacPorts:

$> strings /opt/local/lib/libssl.dylib | grep -E '^OpenSSL'
OpenSSL 1.0.1i 6 Aug 2014

and for system OpenSSL:

$> strings /usr/lib/libssl.dylib | grep -E '^OpenSSL'
OpenSSL 0.9.8y 5 Feb 2013

Unfortunately OpenSSL has changed and those command don't work the ^ in the grep does not find the version so for Macports

strings /opt/local/lib/libssl.dylib | grep -E 'OpenSSL'


!(29OpenSSL 1.1.1l  24 Aug 2021
OPENSSL_DIR_read(&ctx, '

and the system library has moved in Big Sur and possibly earlier


MacPort will only install binaries you asked him to install using sudo port install.

To know your openSSL version, just type openssl version.

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