On Thu, May 17, 2018 at 10:49:09AM +0200, Igor Zobin wrote: > Hello everyone! > > I am struggling to understand what exactly the command lsof -i tcp:389 is > showing. > > What exactly is counted as an established connection here?
That's a state of the TCP connection: https://community.apigee.com/articles/7970/tcp-states-explained.html > Can I limit that amount somehow through slapd configuration? I _think_ that the conn_max_pending and conn_max_pending_auth help control this. Also, you can use the idletimeout directive to control the disoconnections of unused/stale connections. The docs also discuss the keepalive directive, but I've never used that. > Can I monitor which of those connections shown by lsof are still in use and > which just hang around doing nothing? IIRC, From lsof, you can learn PIDs and file descriptors. You can access the FD through procfs. > > Igor. > -- Brian Reichert <[email protected]> BSD admin/developer at large
