March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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The TTL field in IP is quite a helpful field. When seeing a TTL value, it explicitly indicates how many routers the packet has passed. Since operating system defaults are 64,128, or 256, and the maximum number of hops that a packet will cross through the internet is 30 (much less in private networks), if for example we see a value of 120, then the packet has passed 8 routers, and a value of 52 indicates that the packet has passed 12 routers.
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