[long email, so top-posting] MaxSessions and MaxStartups in /etc/ssh/sshd_config? Cheers, L. On Thu, Jun 07, 2018 at 01:44:37AM -0500, David C. Rankin wrote: > All, > > Not sure where to look for this. I have always kept kate projects different > things like, different application development, different web-site editing, > etc... Many of the projects I keep on my Arch server and have kate open the > files via the sftp kioslave (or whatever it is called now) > > For some reason, now when I open remote projects on the server, the first 15 > or so files open without issue. Anything over that fails with a connection > error and the files are opened as "Untitled" and are empty (simply pressing > "Reload" completes the opening without issue), but that has to occur after > kate is open, and not when the project is attempting to load the files > sequentially all at once. > > The journal shows no error, just the normal sshd key authorization, etc. as > session through (c17) are opened, e.g. > > Jun 07 01:29:04 valkyrie sshd[9269]: Accepted publickey for david from > 192.168.6.104 port 56170 ssh2: ECDSA > SHA256:97TPKWvaGks+sjneobeoY9RpK1Hznnh8xJCjbcAWrkQ > Jun 07 01:29:04 valkyrie sshd[9268]: Accepted publickey for david from > 192.168.6.104 port 56168 ssh2: ECDSA > SHA256:97TPKWvaGks+sjneobeoY9RpK1Hznnh8xJCjbcAWrkQ > Jun 07 01:29:04 valkyrie sshd[9269]: pam_unix(sshd:session): session opened > for user david by (uid=0) > Jun 07 01:29:04 valkyrie sshd[9268]: pam_unix(sshd:session): session opened > for user david by (uid=0) > Jun 07 01:29:04 valkyrie systemd-logind[539]: New session c5 of user david. > Jun 07 01:29:04 valkyrie systemd[1]: Started Session c5 of user david. > Jun 07 01:29:04 valkyrie systemd-logind[539]: New session c6 of user david. > Jun 07 01:29:04 valkyrie systemd[1]: Started Session c6 of user david. > Jun 07 01:29:05 valkyrie sshd[9274]: userauth_pubkey: key type ssh-dss not in > PubkeyAcceptedKeyTypes [preauth] > Jun 07 01:29:05 valkyrie sshd[9275]: userauth_pubkey: key type ssh-dss not in > PubkeyAcceptedKeyTypes [preauth] > Jun 07 01:29:05 valkyrie sshd[9272]: userauth_pubkey: key type ssh-dss not in > PubkeyAcceptedKeyTypes [preauth] > Jun 07 01:29:05 valkyrie sshd[9274]: Accepted publickey for david from > 192.168.6.104 port 56174 ssh2: ECDSA > SHA256:97TPKWvaGks+sjneobeoY9RpK1Hznnh8xJCjbcAWrkQ > Jun 07 01:29:05 valkyrie sshd[9274]: pam_unix(sshd:session): session opened > for user david by (uid=0) > Jun 07 01:29:05 valkyrie systemd-logind[539]: New session c7 of user david. > Jun 07 01:29:05 valkyrie systemd[1]: Started Session c7 of user david. > ... > > I don't see any failures at all in the logs, which I would expect given the > connection failure. Any ideas on what could be causing this? > > I don't any longer, but there were times in the past I would have 120 files > in a project and had no problems at all opening the project either across the > LAN or remotes via the internet on my office server. So this seems like it is > some protection designed to prevent hackers from hammering your server with > ssh requests -- but it seems like it is having the side effect of preventing > me from loading projects with more than say 20 files via sftp. > > -- > David C. Rankin, J.D.,P.E. -- Leonid Isaev
