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2019-05-06 17:28:12 +0000 marked best answer With a capture filter on a remote interface, where does the filtering occur? Also, how are the packets transmitted?

When I set a capture filter in Wireshark:

  1. Are packets filtered at the application or at the interface? In other words, when the capture filter is set, is the application dropping the packets or is Wireshark telling the interface to send only certain packets?
  2. Also, are packets sent to Wireshark as compressed data?

I want to perform packet capture on a remote device on my network, and I am trying to understand how this will affect traffic on my network. For question 1, if the filtering was done by the interface (or device), the amount of data sent over the network due to the remote capture would be smaller than if the filtering was done by the application. For question 2, I am trying to understand how much more traffic I am generating by starting a remote capture. Am I effectively doubling the traffic?

2019-05-06 17:28:12 +0000 received badge  Scholar (source)
2019-05-06 17:28:09 +0000 commented answer With a capture filter on a remote interface, where does the filtering occur? Also, how are the packets transmitted?

You are correct. I am using rpcapd. Thank you for your answers. That's exactly what I needed to know.

2019-05-06 12:34:18 +0000 asked a question With a capture filter on a remote interface, where does the filtering occur? Also, how are the packets transmitted?

With a capture filter on a remote interface, where does the filtering occur? Also, how are the packets transmitted? When

2018-07-13 12:32:49 +0000 commented answer RST packets sent by both client and server during file transfer

Thank you for in depth analysis. Since I posted this question, I was informed that one of the devices in between is not

2018-07-11 19:57:32 +0000 edited question RST packets sent by both client and server during file transfer

RST packets sent by both client and server during file transfer I am trying to troubleshoot why a file upload from a cli

2018-07-11 19:56:51 +0000 commented question RST packets sent by both client and server during file transfer

I don't know what is wrong with me. I put the links to the file download capture instead of the file upload. I am so sor

2018-07-11 19:55:03 +0000 commented question RST packets sent by both client and server during file transfer

I don't know what is wrong with me. I put the links to the file download capture instead of the file upload. I am so sor

2018-07-11 19:04:45 +0000 commented question RST packets sent by both client and server during file transfer

Didn't realize I was on closed drive. It should work now.

2018-07-11 19:04:15 +0000 edited question RST packets sent by both client and server during file transfer

RST packets sent by both client and server during file transfer I am trying to troubleshoot why a file upload from a cli

2018-07-11 19:03:11 +0000 received badge  Editor (source)
2018-07-11 19:03:11 +0000 edited question RST packets sent by both client and server during file transfer

RST packets sent by both client and server during file transfer I am trying to troubleshoot why a file upload from a cli

2018-07-11 16:34:41 +0000 commented question RST packets sent by both client and server during file transfer

I apologize. Please, try now.

2018-07-11 15:00:01 +0000 asked a question RST packets sent by both client and server during file transfer

RST packets sent by both client and server during file transfer I am trying to troubleshoot why a file upload from a cli