Wireshark
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Last updated
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An application that helps analyse packets over tcp/ip.
It is reverse proxy
Help in diagnosing calls over the network
ie A curl request may not be sending the correct request, but the command looks correct. Wireshark will help see what was actually sent over the network
Always add deltat time column, set type to 'delta time displayed'
If syntax is correct turns green
ip.addr == 10.0.0.1
any packets to or from an ip address
More specific source ip ip.src == 10.0.0.1 or destination ip.dst == 10.0.0.1
tcp , dns
filters out the protocol used
Too much on many protocols tcp or dns
tcp.port == 443
Find all packets using a tcp or udp port
for udp udp.port == 444
tcp.analysis.flags
show any tcp problems ie packet loss
!(arp or icmp or dns)
reduce noise of anything not useful
click follow tcp stream from right click on packet
this will fill the filter, with tcp.stream eq 32
tcp contains facebook
will search for any word in the packet
'udp contains facebook' will look into udp packets (ie dns)
http.response.code == 200
http.request
tcp.flags.syn == 1
look for syn attacks
tcp.flags.reset == 1
tutorial