Update net.cpp
Update net.cpp

enable maxconnections
MinuteManReserve/mmr-core,aspaas/ion,MinuteManReserve/mmr-core,MinuteManReserve/mmr-core,aspaas/ion,MinuteManReserve/mmr-core,aspaas/ion,aspaas/ion,MinuteManReserve/mmr-core,aspaas/ion,aspaas/ion