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I have a UNIX server that has two network interfaces, once for incoming traffic and one for outgoing traffic. I can a SNOOP on each interface as audio-content was sent through my server. Afterwards, I can analyze my SNOOPs and 'follow TCP stream' to find the exact audio files, proving they went in and out of my server. However, I need to compare the size of the files to ensure that my server didn't strip the files, sending out an empty 'shell'. The only way I can think of finding the size of the packets is to look at the MAIN view in Wireshark and click packet-by-packet until I see something relating to my audio files in the lower preview window. My SNOOP has 1000+ lines - is there an easier way to locate the exact raw packet for my audio data (to determine it's size) by searching on a phrase within the packet's content?

asked 30 Aug '14, 07:15

guiltyspark232's gravatar image

guiltyspark232
11112
accept rate: 0%


I may have misunderstood the question but it sounds like you need to do a Find (Ctl-F) with:

  • Find by String
  • Search in Packet Bytes

Best regards...Paul

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answered 30 Aug '14, 14:16

PaulOfford's gravatar image

PaulOfford
131283237
accept rate: 11%

Thank you, that's the answer, I wasn't looking closely at the FIND feature. When I use this feature, it finds the first packet in the packet list with my phrase in the TCP stream; how can I move to the next packet it's found? I notice the FIND window disappears when viewing the first result.

(30 Aug '14, 15:22) guiltyspark232
1

Find Next (Ctrl + N).

There's also Find Previous (Ctrl + B)

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(30 Aug '14, 16:02) grahamb ♦

You can try the following display filter

tcp and frame contains "xxxxxxx"

Regards
Kurt

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answered 31 Aug '14, 04:24

Kurt%20Knochner's gravatar image

Kurt Knochner ♦
24.8k1039237
accept rate: 15%

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question asked: 30 Aug '14, 07:15

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last updated: 31 Aug '14, 04:24

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