物联网LWIP网络开发 广播和组播 7.4wireshark抓包验证
wireshark抓包验证wireshark抓包工具wireshark安装下载地址https://www.wireshark.org/download.htmlwireshark使用使用流程Created with Raphaël 2.2.0 选择网卡 过滤配置过滤器使用方法比较运算符eq, ==Equalne, !=Not Equalgt, >Greater Thanlt, <Les
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wireshark抓包验证
wireshark抓包工具
wireshark安装
下载地址
https://www.wireshark.org/download.html
wireshark使用
使用流程
过滤器使用方法
比较运算符
eq, == Equal
ne, != Not Equal
gt, > Greater Than
lt, < Less Than
ge, >= Greater than or Equal to
le, <= Less than or Equal to
协议字段
#以太网过滤
eth.dst eq ff:ff:ff:ff:ff:ff
#IP地址过滤
ip.dst eq 192.168.1.10
ip.src == 192.168.1.1
#TCP过滤
tcp.port == 6666
# UDP过滤
udp.port == 6666
# http过滤
http.request.method == "POST"
位域操作
# TCP SYN
tcp.flags & 0x02
逻辑表达式
and, && Logical AND
or, || Logical OR
not, ! Logical NOT
# tcp.port == 80 and ip.src == 192.168.2.1
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