NetStat – Get Network Statistics

sudo lsof -i # Get all network traffic information
sudo lsof -i |grep *:http # Get all network traffic information using port 80 HTTP

netstat -tulpn # Get all network traffic information
netstat -tulpn | grep :80 # Get all network traffic information using port 80 HTTP

netstat -o # Get all network traffic information

Get-NetTCPConnection | `
	Where-Object {  `
		$_.State -eq "Listen" `
	} | `
	Sort-Object State, LocalPort | `
	Format-Table -AutoSize `
		LocalAddress, `
		LocalPort, `
		RemoteAddress, `
		RemotePort, `
		State, `
		@{l = "Process/Application"; e = { `
				$(Get-Process -PID $_.OwningProcess | Select-Object ID, ProcessName).ProcessName `
			} `
		}

function Get-NetStat 
    {
        $proc = @{};
        Get-Process | ForEach-Object { $proc.Add($_.Id, $_) };
        netstat -aon | Select-String "\s*([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+)?\s+([^\s]+)" | ForEach-Object {
            $g = $_.Matches[0].Groups;
            New-Object PSObject | 
                Add-Member @{ Protocol =           $g[1].Value  } -PassThru |
                Add-Member @{ LocalAddress =       $g[2].Value  } -PassThru |
                Add-Member @{ LocalPort =     [int]$g[3].Value  } -PassThru |
                Add-Member @{ RemoteAddress =      $g[4].Value  } -PassThru |
                Add-Member @{ RemotePort =         $g[5].Value  } -PassThru |
                Add-Member @{ State =              $g[6].Value  } -PassThru |
                Add-Member @{ PID =           [int]$g[7].Value  } -PassThru |
                Add-Member @{ Process = $proc[[int]$g[7].Value] } -PassThru;
                #} | Format-Table Protocol,LocalAddress,LocalPort,RemoteAddress,RemotePort,State -GroupBy @{Name='Process';Expression={$p=$_.Process;@{$True=$p.ProcessName; $False=$p.MainModule.FileName}[$p.MainModule -eq $Null] + ' PID: ' + $p.Id}} -AutoSize
        } | Sort-Object PID | format-table
    }
Get-NetStat