Keep Connection Alive

Hi,

I am using PGAdmin v1.18.1 on my ubuntu 14.04 laptop.

Since my postgresql server kills idle connections after 5 minutes, PGAdmin has to reset them so it's a little bit annoying. 

To avoid that, I tried to use the following .pg_service.conf

[mydb]

keepalives=1

keepalives_idle=10

keepalives_interval=10 

Unfortunately, connections are still closing after 5 minutes idle.

Could you please help me to keep connections got from PGAdmin alive?

Thanks,