Test TCP connection on Windows#

PS> Test-NetConnection google.com -port 80

ComputerName     : google.com
RemoteAddress    : 142.251.37.110
RemotePort       : 80
InterfaceAlias   : vEthernet (external)
SourceAddress    : 192.168.x.x
TcpTestSucceeded : True

Test TCP connection on Linux#

$ nc -zv google.com 80
Connection to google.com (142.251.37.110) 80 port [tcp/http] succeeded!