https://bugzilla.mindrot.org/show_bug.cgi?id=3410
Bug ID: 3410 Summary: Since 8.9p1 MaxStartups >=1024, in sshd_config, causes "error: ppoll: Invalid argument" Product: Portable OpenSSH Version: 8.9p1 Hardware: amd64 OS: Linux Status: NEW Severity: normal Priority: P5 Component: sshd Assignee: unassigned-b...@mindrot.org Reporter: for.github.20200...@gmx.de Up to 8.8p1 a value of 4096 for MaxStartups in sshd_config was no problem. Since 8.9p1 switched to usage of ppoll(2) the maximum value for MaxStartups is 1023. Because this is default ppoll(2) behavior, the expected behavior of sshd would be: - the documentation should be updated - sshd -t should show MaxStartups > 1023 as problem (would have saved me some time, to identify MaxStartups as problem) - maybe a MaxStartups > 1023 should be reduced to 1023 internally PS: Maybe setting such a high value for MaxStartups is the wrong approach for e.g. allowing a massive threaded app access via ssh, but it was a working solution (in reality, I had a problem with ~100 unauthenticated connections, setting it to 1023 will be good enough). -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ openssh-bugs mailing list openssh-bugs@mindrot.org https://lists.mindrot.org/mailman/listinfo/openssh-bugs