December 2013
Intermediate to advanced
452 pages
9h 45m
English
Content preview from Network Analysis using Wireshark CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Discovering ICMP and TCP SYN/Port scans
Scanning is the process of sending packets to network devices in order to see who is answering the ping requests, to look for listening TCP/UDP ports, and to find which types of resources are shared on the network including system and application resources.
Getting ready
A scanning attack is usually detected by users complaining about slow network responses, management systems that discover unusual load on servers or communication lines, and when the attack is implemented also by Security Information and Event Management Systems (SIEM) that identifies suspicious usage patterns. In these cases, locate the Wireshark with port mirror as close as possible to the area that you suspect is infected, and start capture. ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.