0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:0c:xx:xx:xx:d5, length 300, xid 0xc9779c2a, Flags [none] Client-Ethernet-Address 00:0c:xx:xx:xx:d5 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Requested-IP Option 50, l...
第三列:发送方的ip地址+端口号,其中172.20.20.1是 ip,而15605 是端口号 第四列:箭头 >, 表示数据流向 第五列:接收方的ip地址+端口号,其中 172.20.20.2 是 ip,而5920 是端口号 第六列:冒号 第七列:数据包内容,包括Flags 标识符,seq 号,ack 号,win 窗口,数据长度 length,其中 [P.] 表示 PUSH 标志位...
Request from 70:3a:a6:cb:27:3c, length 292, xid 0x3ccba40c, secs 11529, Flags [none] Client-IP 192.168.1.136 Client-Ethernet-Address 70:3a:a6:cb:27:3c Vendor-rfc1048 Extensions
192.168.1.136.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 70:3a:a6:cb:27:3c, length 292, xid 0x3ccba40c, secs 11529, Flags [none] Client-IP 192.168.1.136 Client-Ethernet-Address 70:3a:a6:cb:27:3c Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message (53), length 1:...
监听目标地址IP tcpdump dst host 192.168.1.11 监听指定端口 tcpdump port 80 监听TCP tcpdump tcp 监听UDP tcpdump udp 监听192.168.1.11的tcp协议的80端口的数据包 tcpdump tcp port 80 and src host 192.168.1.11 11:59:07.836563 IP 192.168.1.11.39680 > hello.http: Flags [.], ack 867022485, win...
Client-Ethernet-Address 00:0c:xx:xx:xx:d5 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Requested-IP Option 50, length 4: 10.10.1.163 Hostname Option 12, length 14: "test-ubuntu" Parameter-Request Option 55, length 16: ...
监听指定IP的包 代码语言:javascript 复制 tcpdump host192.168.1.11复制代码 监听指定来源IP 代码语言:javascript 复制 tcpdump src host192.168.1.11复制代码 监听目标地址IP 代码语言:javascript 复制 tcpdump dst host192.168.1.11复制代码 监听指定端口 代码语言:javascript ...
50.059667 IP (tos 0x10, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328) 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 00:0c:xx:xx:xx:d5, length 300, xid 0xc9779c2a, Flags [none] Client-Ethernet-Address 00:0c:xx:xx:xx:d5 Vendor-rfc1048...
The test for `foreign' IPv4 addresses is done using the IPv4 address and netmask of the interface on which capture is being done. If that address or netmask are not available, available, either because the interface on which capture is being done has no address or netmask or because the ca...
Client-Ethernet-Address 00:0c:xx:xx:xx:d5 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message Option 53, length 1: Request Requested-IP Option 50, length 4: 10.10.1.163 Hostname Option 12, length 14:"test-ubuntu"Parameter-Request Option 55, length 16: ...