Maker's Blog

PS C:\Users\Maker Yang> Test-NetConnection -ComputerName pop3.gac-toyota.com.cn -port 995                                                                                                                                                                                                                                                       
ComputerName     : pop3.gac-toyota.com.cn
RemoteAddress    : 218.107.6.204
RemotePort       : 995
InterfaceAlias   : 以太网
SourceAddress    : 10.104.236.203
TcpTestSucceeded : True

PS C:\Users\Maker Yang> Test-NetConnection -ComputerName pop3.gac-toyota.com.cn -port 990
警告: TCP connect to (218.107.6.204 : 990) failed

ComputerName           : pop3.gac-toyota.com.cn
RemoteAddress          : 218.107.6.204
RemotePort             : 990
InterfaceAlias         : 以太网
SourceAddress          : 10.104.236.203
PingSucceeded          : True
PingReplyDetails (RTT) : 22 ms
TcpTestSucceeded       : False