I haven't seen this behaviour and can't replicate it manually using OpenSSH 10.0. I think debugging this will require a log trace with LogLevel=debug3 if you can manage it. On Wed, 16 Apr 2025, Mark Hills wrote:> I have a system where 4 or 5 times now it has locked out new ssh > connections. > > It appears as if MaxStartups is not re-allowing connections when the > number of unauthenticated connections drops. > > Instead, 100% rejection until sshd is restarted.
On Thu, 17 Apr 2025, Damien Miller wrote:> I haven't seen this behaviour and can't replicate it manually using > OpenSSH 10.0. I think debugging this will require a log trace with > LogLevel=debug3 if you can manage it.Certainly can. Enabled in sshd_config and now a lot more information in auth.log. These occurances have been quite regular recently, so hopefully won't take long to get some useful information. Thanks -- Mark