抓包对象 - Wireshark(具体引见与TCP三次握手数据

2020-04-05 03:31

  (1)物理层的数据帧概略  Frame 5: 268 bytes on wire (2144 bits), 268 bytes captured (2144 bits) on interface 0 #5号帧,线路268字节,实践捕捉268字节  Interface id: 0 #接口id  Encapsulation type: Ethernet (1) #封装类型  Arrival Time: Jun 11, 2015 05:12:18.469086000 中国规范时间 #捕捉日期和时间  [Time shift for this packet: 0.000000000 seconds]  Epoch Time: 1402449138.469086000 seconds  [Time delta from previous captured frame: 0.025257000 seconds] #此包与前一包的时间距离  [Time since reference or first frame: 0.537138000 seconds] #此包与第一帧的时间距离  Frame Number: 5 #帧序号  Frame Length: 268 bytes (2144 bits) #帧长度  Capture Length: 268 bytes (2144 bits) #捕捉长度  [Frame is marked: False] #此帧可否做了标记:否  [Frame is ignored: False] #此帧可否被疏忽:否  [Protocols in frame: eth:ip:tcp:http] #帧内封装的协定层次结构  [Number of per-protocol-data: 2] #  [Hypertext Transfer Protocol, key 0]  [Transmission Control Protocol, key 0]  [Coloring Rule Name: HTTP] #着色标记的协定称号  [Coloring Rule String: http || tcp.port==80] #着色规矩显示的字符串  (2)数据链路层以太网帧头部信息  Ethernet II, Src: Giga-Byt_c8:4c:89 (1c:6f:65:c8:4c:89), Dst: Tp-LinkT_f9:3c:c0 (6c:e8:73:f9:3c:c0)  Destination: Tp-LinkT_f9:3c:c0 (6c:e8:73:f9:3c:c0) #目标MAC地址  Source: Giga-Byt_c8:4c:89 (1c:6f:65:c8:4c:89) #源MAC地址  Type: IP (0x0800)  (3)互联网层IP包头部信息  Internet Protocol Version 4, Src: 192.168.0.104 (192.168.0.104), Dst: 61.182.140.146 (61.182.140.146)  Version: 4 #互联网协定IPv4  Header length: 20 bytes #IP包头部长度  Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00: Not-ECT (Not ECN-Capable Transport)) #差分效劳字段  Total Length: 254 #IP包的总长度  Identification: 0x5bb5 (23477) #标记字段  Flags: 0x02 (Don't Fragment) #标记字段  Fragment offset: 0 #分的偏移量  Time to live: 64 #生活期TTL  Protocol: TCP (6) #此包内封装的下层协定为TCP  Header checksum: 0x52ec [validation disabled] #头部数据的校验和  Source: 192.168.0.104 (192.168.0.104) #源IP地址  Destination: 61.182.140.146 (61.182.140.146) #目标IP地址  (4)传输层TCP数据段头部信息  Transmission Control Protocol, Src Port: 51833 (51833), Dst Port: http (80), Seq: 1, Ack: 1, Len: 214  Source port: 51833 (51833) #源端口号  Destination port: http (80) #目标端口号  Sequence number: 1 (relative sequence number) #序列号(相对序列号)  [Next sequence number: 215 (relative sequence number)] #下一个序列号  Acknowledgment number: 1 (relative ack number) #确认序列号  Header length: 20 bytes #头部长度  Flags: 0x018 (PSH, ACK) #TCP标记字段  Window size value: 64800 #流量控制的窗口大年夜小  Checksum: 0x677e [validation disabled] #TCP数据段的校验和

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