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Which Firewall Rule Allows 1433 TCP Port – Plesk

First of all this does not contain my answer.

I want to find which firewall rule allows specific port 1433

In my server, Plesk has been installed and “MS SQL over TCP protocol” firewall rule is disabled. Somehow I can connect to the SQL Server from remote connection. There is one firewall rule allows 1433 TCP Connection but which one? Is there any command to find which firewall rule allows 1433.

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2

Answers


  1. 0

    Source

    Run as administrator

    cls
Get-NetFirewallPortFilter | Where-Object { $_.LocalPort -Eq "1433" } | Get-NetFirewallRule |
Format-Table -Autosize -Property DisplayName,
@{Name='Protocol';Expression={($PSItem | Get-NetFirewallPortFilter).Protocol}},
@{Name='LocalPort';Expression={($PSItem | Get-NetFirewallPortFilter).LocalPort}},
@{Name='RemotePort';Expression={($PSItem | Get-NetFirewallPortFilter).RemotePort}},
@{Name='RemoteAddress';Expression={($PSItem | Get-NetFirewallAddressFilter).RemoteAddress}},
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  2. 0

    Easiest way to figure this out is through netevents.

    1. Start command line as administrator.
    2. Run netsh wfp cap start keywords=19
    3. Let the traffic flow through port 1433
    4. Run netsh wfp cap stop
    5. Open Wfpdiag.xml in Wfpdaig.cab generated by above step.
    6. Search for all NetEvents with <localPort>1433</localPort> and get filterId from <classifyAllow>
    7. Search for the filterId and the <displayData> should tell you which rule allowed the packet.
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