If you want tcpdump to keep only a set number of bytes per packet, enter the number of bytes desired in place of zero here.
如果您想让tcpdump只保持每个数据包一定数量的字节,请输入所期望的字节数来代替此处的零。
2 bytes of protocol (the protocol that the packet is a part of).
个字节的协议(数据包是协议的一个组成部分)。
The most common server protocol is a packet based protocol where the first X bytes represent a header and the header contains details of the length of the complete packet.
大多数服务器协议是一个包,这个包的基础是第一个X位的描述头,它包含了完整包的长度等详细信息。
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