diff --git a/chapter08/openssl.xml b/chapter08/openssl.xml index 6a97bcc2a..10cfe26ce 100644 --- a/chapter08/openssl.xml +++ b/chapter08/openssl.xml @@ -98,6 +98,20 @@ make MANSUFFIX=ssl install number. + + If OpenSSH is installed, it will be an + exception of the general rule above. It contains an + over-restrictive OpenSSL version check, so both SSH client and SSH + server will refuse to start if OpenSSH + is updated with MAJOR version number unchanged but MINOR version + number changed. You need to rebuild + OpenSSH after such an upgrade. + If OpenSSH is being + used to access the system, you must rebuild and reinstall it + after upgrading OpenSSL to a new MINOR version number before logout + or you won't be able to login via SSH anymore. + + However, any running programs linked to those libraries need to be stopped and restarted. Read the related entries in