i've been quite interested in security long time , i've come across network snfifers several time. don't understand how process works. let's assume have wireless network. computer requests external website, going through router. computer b, has sniffer, captures packages going through local network. if that's basic process, how can capture packet? have setup fake router , sniff traffic passing through, or can connect wireless network , start sniffing?
if feel explaining process in detail, or link guide, that'd great.
thank you!
a sniffer a computer program or piece of computer hardware can intercept , log traffic passing on digital network or part of network.
the normal process computer b connect network wants sniff , start capturing packets. if needed, decodes packet's raw data, showing values of various fields in packet, , analyzes content according appropriate rfc or other specifications.
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