open ports detection

[MayRosenbaum]

The purpose of this PR is to find open ports.
We want to detect why sometimes 127.0.0.1:33044 address is already in use.

[liran-funaro]

It seems that port 41055 is taken, but 33044 is free.

Run netstat -lntu
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0 127.0.0.53:53           0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:8084            0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:41055         0.0.0.0:*               LISTEN     
tcp6       0      0 :::22                   :::*                    LISTEN     
udp        0      0 127.0.0.53:53           0.0.0.0:*                          
udp        0      0 10.1.96.4:68            0.0.0.0:*                          
udp        0      0 127.0.0.1:323           0.0.0.0:*                          
udp6       0      0 ::1:323                 :::*