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Keyword: ‘CloudShark-Logo’

SNMP version 3 – Wireshark (pcap) Capture

April 2nd, 2013 No comments


Download this capture file:snmp_usm

OR: view it now via Cloudshark

SNMPv3 provides a secure environment for the management of systems covering the following: Read more…

Categories: Network Management Tags:

HTTP Cache Control and the ETag

August 16th, 2012 No comments

HTTP and ETag

Download this capture file:IfModifieldSince_and_ETag

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With caching enabled, a web server does not need to send a full response if content has not changed.

  • If-Modified-Since is an HTTP request header that the client sends to your browser along with a request for content.
  • Last-Modified is an HTTP response header that the server returns along with the requested content.

If-Modified-Since Allows a 304 Not Modified to be returned if content is unchanged
If-Modified-Since: Sat, 29 Oct 1994 19:43:31 GMT

If-None-Match Allows a 304 Not Modified to be returned if content is unchanged,
If-None-Match: "737060cd8c082f209582d" Read more…

Categories: Protocol Analysis Tags: ,

SIP – Example Simple Two-Party Call Flow

August 14th, 2012 No comments


Download this capture file:SIP – RTCP control through NAT Device

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SIP is defined by RFC 2543 and is used for multimedia call session setup and control over IP networks. Read more…

Categories: Voice over IP Tags: ,

WCCP Protocol plus Wireshark Capture

April 30th, 2012 No comments


Refer to this Wireshark Capture. OR: view it now via Cloudshark 

Alternatively, Download: WCCPv2.pcap and continue reading.. Read more…

Categories: Protocol Analysis Tags: ,


July 2nd, 2009 No comments

I use this WordPress installation as a way to post snippets of information and aides memoir, which I use in my work. Sometimes I may add a short piece of information which may be useful to a casual visitor. Hit Ctrl-D to bookmark me or subscribe to my Site RSS Feed – Daren.

Creative Commons License
This work is licensed under:
Creative Commons Attribution-NonCommercial 2.0 Generic License 

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Categories: Diary of Events Tags: , ,