Local Windows machine cannot connect to another except port 80

Question

Trying to test a dev web service endpoint.

Firewalls and Windows Defender are off on both.

From different machine

Test-NetConnection -Port 80 -ComputerName 192.168.1.5 -InformationLevel Detailed
TcpTestSucceeded        : True
Test-NetConnection -Port 5178 -ComputerName 192.168.1.5 -InformationLevel Detailed
TcpTestSucceeded        : False

When I test on same machine

Test-NetConnection -Port 80 -ComputerName 192.168.1.5 -InformationLevel Detailed
TcpTestSucceeded        : True
Test-NetConnection -Port 5178 -ComputerName 192.168.1.5 -InformationLevel Detailed
TcpTestSucceeded        : False
Test-NetConnection -Port 5178 -ComputerName localhost -InformationLevel Detailed
TcpTestSucceeded        : True