Opening this file, do a search for filter ID (in our example, 101249). Opening the WFPDiag.cab file, you’ll find the wfpfilters.xml file. Using this ID we can get more data about theįilter from the WFPDiag data. Looking at the packets and corresponding events from the netconnection log, we see the “Filter Run-Time ID” that triggered the drop. The “what,” so now we need to figure out the “why,” for that let’s look at the WFPdiag output. #9554]Flags=.S., SrcPort=60678, DstPort=1433, PayloadLen=0, Seq=4175055378, Ack=0, Win=8192 ( Negotiating scale factor 0x8 ) = 8192ġ0049 Idle (0) 10.0.0.11 10.190.127.70 WFPġ0359 Idle (0) 10.0.0.10 10.0.0.11 TCP TCP:[ SynReTransmitġ0360 Idle (0) 10.0.0.11 10.190.127.70 WFPĭo you see it? For every SYN packet sent, there’s a corresponding “WFP:Packet Dropped” event that follows! So, now we know what is going on and can confirm that WFP is dropping NodeA’s attempt to communicate with NodeB via a new inbound port.
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