Hello, We have an installation of OTRS 3.1 with KIX4OTRS lastest for the version running on CentOS 5.9, mysql and apache, using LDAP Auth on Windows AD 2008.
Few months ago we started to see intermitent connection problemas to AD Server, eventually it was narrowed down to when a normal search or a custom report was run. System logs only showed that there was no connection with AD Server and with no reason after a while connection was regained. Finally we found out that the antivirus was detecting our connection attempts to AD Server as DoS and it was blocking our OTRS. What we see is that everytime a ticket is looked for or a search is run, the system sends hundreds of requests to the AD Server, especially when querying customer info. We have seen this happening in all other systems with AD, but this is the first time it gets blocked. Antivirus was Trend Micro and after stoping the antivirus the issue stopped. We have other instances running on different environments and haven't seen this behaviour anywhere else. So we are wondering if this could have been that the antivirus parameters were to sensitive or if our instance was sending more requests thant expected by the AD Server. Has anyone seen this kind of issue. -- ___________________________ Alvaro Cordero Retana Consultor de Tecnologias Gridshield Monitoreo de Redes e Infraestructura. 2258-5757 ext 123 alv...@gridshield.net www.gridshield.net
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