Hi all,

     We are experiencing problems with unreceived db events.
After some investigation found out that the connection to the event 
(aux) port from the client to the server is lost and the client never 
understands about that.
Many routers and firewalls automatically close idle connections after a 
certain period of time and we suspect this is the reason which makes 
event connection to be lost sometimes.

Is there a way to detect the lost connection or better prevent it from 
being closed.
For the db connection we are successfully using DummyPacketInterval but 
it does not affect the event connection.

The server is on Linux.
/proc/sys/net/ipv4/tcp_keepalive_time is 7200
/proc/sys/net/ipv4/tcp_keepalive_intvl is 75
/proc/sys/net/ipv4/tcp_keepalive_probes is 9
RemoteAuxPort  is set to permanent value.

Thank you.
Veselin Pavlov
Entegra Ltd.

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