On 8 September 2011 13:13, Rich Graves <[email protected]> wrote: > Server running Moodle 1.9 on fully patched RHEL 6.1. > > >From time to time, a specific Apache child process loses the ability to > connect to any LDAP server over SSL. It is not clear how processes get into > this state (lsof, and adding %P %k %T %X to LogFormat, show no obvious > differences), but once they do, all attempts to reach ldaps:// URLs via > either ldap_connect/ldap_bind or curl_init/curl_exec from that specific > httpd child process fail. > > I came across this once before where the LDAP server couldn't accept more connections from a particular host because there weren't any available ports. Basically there were a lot (huge numbers) of sockets on the LDAP server in a CLOSE_WAIT or FIN_WAIT (or similar) state.
It's worth checking I guess. jch
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