Upgrade OpenSSH version
Currently INN-Reach and Sierra servers are bundled with OpenSSH 7.1, which is over 7 years old as of this writing. There is a sorting bug (https://bugzilla.mindrot.org/show_bug.cgi?id=2694) that impacts the Scheduler functionality that would be fixed by upgrading to at least OpenSSH 7.6. Also assume that multiple security vulnerabilities exist in 7.1.
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