How to check blocked traffic on the network on Mac OS

How to check blocked traffic on the network on Mac OS

Issue description: :  Layout and Editor for instance don't open.  RIP opens OK. Layout and Editor only in Smartworking mode.  

To check: 
      - Network connectivity (Ping)
      -  Routing/network path (traceroute)
      -  Application/service port availability (nc)

How:
  1. Open Terminal (Applications → Utilities → Terminal, or search for “Terminal” with Spotlight).
    Note: examples below for IP 10.3.2.92
  2. Network connectivity: 
      Enter command: ping 10.3.2.92
      e.g. PING 10.3.2.92 (10.3.2.92): 56 data bytes

Info
64 bytes from 10.3.2.92: icmp_seq=0 ttl=64 time=7.814 ms
=> OK
       3. Traceroute: to check the path your traffic takes from your computer to a destination device or server.
               Enter command:  traceroute 10.3.2.92         
            Returns e.g. 
   traceroute to 10.3.2.92 (10.3.2.92), 64 hops max, 40 byte packets
                   1  10.3.2.92 (10.3.2.92)  13.641 ms  0.423 ms  0.276 ms
=> OK. 

      4. nc  - port availability
             Enter command:  e.g. nc -vz 10.3.2.92 5437


Info
e.g: ~ % nc -vz 10.3.2.92 27499
nc: connectx to 10.3.2.92 port 27499 (tcp) failed: Connection refused
nc: connectx to 10.3.2.92 port 27499 (tcp) failed: Connection refused
=> not accepting connections to this port.



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