Apparently I installed that thing in 2006 and I last updated it in 2016, then I quit updating it for some reason that I totally forgot. Probably laziness…
It’s been running for quite some time and we kind of forgot about it in the closet, until the SSH tunnel we use to get our mail outside our home stopped working because modern openssh clients refuse to use the antiquated key cipher I setup client machines with way back when any longer.
I just generated new keys with a more modern cipher that it understands (ecdsa-sha2-nistp256) and left it running. Because why not 🙂
It isn’t the “hackers” you should worry about. Its the nation states that take over huge numbers of machines.
If the NSA (GCHQ here in the UK) want my emails they’re getting it either way, I’m not able to stop nation states
As a private person, defending against nation threat actors is impossible. And not only as a private person, but even as a medium sized company.