powershell检查端口是否开放

PS C:\Users\Administrator> Test-NetConnection -Computername onedns.net -Port 80 -InformationLevel "Detailed"
端口通，返回：
ComputerName : onedns.net
RemoteAddress : 117.50.5.190
RemotePort : 80
NameResolutionResults : 117.50.5.190
117.50.4.157
MatchingIPsecRules :
NetworkIsolationContext : Internet
IsAdmin : False
InterfaceAlias : WLAN
SourceAddress : 192.168.169.191
NetRoute (NextHop) : 192.168.160.1
TcpTestSucceeded : True

端口不通，返回：
C:\Users\Administrator> Test-NetConnection -Computername onedns.net -Port 8088 -InformationLevel "Detailed"
警告: TCP connect to (117.50.5.190 : 8088) failed

来源：https://learn.microsoft.com/en-us/powershell/module/nettcpip/test-netconnection?view=windowsserver2025-ps