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...s time, I set up another fully updated Ubuntu 24.04 VM with 4 vCPUs running openssh-SNAP-20240628.tar.gz with all defaults unchanged. When running using "ssh-audit.py --conn-rate-test=16 target_host", the system idle time averaged over 60 seconds was 50%. The /var/log/auth.log file grew 73MB in this time (nearly 400,000 lines were messages produced by the new PerSourcePenalties logging in sshd.c:627). Next, I modified the logging in sshd.c:627 to always use SYSLOG_LEVEL_DEBUG1 instead of SYSLOG_LEVEL_INFO. Re-running the above test resulted in 73% average idle time and 8KB of log gro...

...d-bugs at mindrot.org Reporter: jtesta at positronsecurity.com As mentioned in https://lists.mindrot.org/pipermail/openssh-unix-dev/2024-June/041416.html, the logging related to PerSourcePenalties (https://github.com/openssh/openssh-portable/blob/V_9_8/sshd.c#L606) was observed to output 73MB per minute when a very high rate of connection flooding is performed. This occurs using default options. Perhaps the non-default SYSLOG_LEVEL_VERBOSE level should be used instead. -- You are receiving this mail because: You are watching the assignee of the bug.

...//www.physik.tu-berlin.de/~frendor/glusterfs The first logfile documents a crash, without any error notification. I've made some read&write-tests with a client with bonnie++ and read some mails at another client. serverside: http://www.physik.tu-berlin.de/~frendor/glusterfs/glusterfsd.log (73MB) http://www.physik.tu-berlin.de/~frendor/glusterfs/glusterfsd_cut.log (shortend to 1 MB) clientside: http://www.physik.tu-berlin.de/~frendor/glusterfs/glusterfs_client.log the second one was when i shutdown the clients. nothing special was performed. The logfiles give some hints here: from secon...

On Wed, 2024-06-19 at 16:11 -0400, Joseph S. Testa II wrote: > I suppose in the next few days, I'll try reproducing my original > steps > with the new version and see what happens. I managed to do some limited testing with a local VM, and the results are... interesting. I installed openssh-SNAP-20240626.tar.gz on a fresh and fully-updated Ubuntu Linux 24.04 LTS VM with 1 vCPU.