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Home > Support > Additional Resources > Tip of the Month

Tip of the Month

Network Analysis Tip of the Month – September 2005

Google Talks, do you listen?

Author – Saurabh Bhasin

A quick analysis of the sign-on process revealed that Google Talk's infrastructure runs on Jabber (IETF's formalization calls it Extensible Messaging and Presence Protocol - XMPP ( http://www.xmpp.org/specs/). After a little research and looking at few captures of the sign-on process, a simple "Pattern Filter" looking for HEX {[6A6162626572]OR[676D61696C2E636F6D]} catches what we want!

Obviously you can take a look at the complete hex and advance the filter to capture usernames and email addresses. Go Wild!

 

 

 

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Don’t Lose The Tags
WildPackets’ Technical Support Team regularly receives questions about capturing VLAN (Virtual LAN) tags in packets. Some customers report that they cannot see VLAN tags when capturing packets from their switches. The tags are usually missing because the capture configuration or the location of OmniPeek (or Omni Engine) is incorrect. So, this tip is aimed at understanding VLAN tags and how they can be captured using OmniPeek Product Family.
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