We have actually run into a server in the wild which only provides an identification string of "SSH-2.0-" and omits the "softwareversion" part required by the standard. This leads to SSH.NET throwing an exception

`Renci.SshNet.Common.SshConnectionException: The server response contains a null character at position 0x0000000B:

00000000 53 53 48 2D 32 2E 30 2D 0D 0A 00 SSH-2.0-...

A server must not send a null character before the Protocol Version Exchange is complete.`

I've seen that there had been some discussion about less strict parsing in #749, with a suggestion of a potential strict/lenient property to allow for non-conforming servers that do not provide the software version part. Any thoughts on actually going forward with such a leniency option?

We've contacted the server operator about their non-conformance, but no idea if they have any interest in fixing this as apparently other clients are more forgiving about a missing software version. FileZilla for example connects without issues.