This can happen if an issue banner, specifically, is not configured (e.g. is commented) with your SSH server, as they, often, are not.
Dustin
Frage
When I call ssh_get_issue_banner() under libssh, I get a NULL (failure) back even though "ssh -vvv" shows a myriad of welcome messages. Why would this be?
Lösung
This can happen if an issue banner, specifically, is not configured (e.g. is commented) with your SSH server, as they, often, are not.
Dustin