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qod

Reading hexdumps from sniffers

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I wanted to know if there is a site, or book that will teach him how to read hex log files from sniffers. Is there any books or sites that cover such topics indeapth.

thanks :roll:

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I would look at the official docs for the sniffer in question; Learning about hex would be good as well.

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well i know about hecx, and i use tcpdump and snort and none of the documentation include anything about such things, i also read 2 books about snort and came up empty handed.

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You'd have a _hell_ of a time "reading" and understanding hex in realtime as the data slides past your sniffer. If all you want is to inspect the packets, look at Ethereal maybe.

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One idea is to simply convert the hex into readable strings of data using a perl wrapper and dump them to a log file.. is that what you want to do?

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why the hell would you want to read the strait hex? just for cool points? most sniffers and analyzers just read the ASCII strings...

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To reverse engineer an application layer protocol.

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To reverse engineer an application layer protocol.

okay, that makes sense.

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actually i just want to learn how packets apear on the wire. I know there are converters, but how do these converters work. I will search some more and tell you what i will find out.

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