Im having an CCTV recorder application running on a Windows 2008 R2 server with aprox 40 videocamera's recording to it. Each camera seems to be establishing one TCP connection on misc port above 49000, one TCP connection on 554 (RTSP). However, the same application are making alot (aprox 6200) of open UDP ports (showing in netstat -ano as ).
The number of active ports keep increasing after a server reboot and keeps going until it reaches 65535 and then when a camera is going offline (network issues or whatever) it refuses to reconnect.
Sample from netstat -ano
UDP 0.0.0.0:65526 *:* 6848
UDP 0.0.0.0:65529 *:* 6848
UDP 0.0.0.0:65531 *:* 6848
UDP 0.0.0.0:65534 *:* 6848
Anyone know what might lead to such a behavior from an application or is this by any chance a OS problem ?