libpcap is a system-independent interface for user-level packet capture. libpcap provides a portable framework for low-level network monitoring. Applications include network statistics collection, security monitoring, network debugging, etc. -libpcap

C语言实现的Linux下的抓包工具，功能全面，支持多种协议，如icmp arp udp tcp等。需要libpcap的支持。-C language of the Linux packet capture tools, comprehensive functions, support for multiple protocols, such as ICMP ARP UDP tcp. Need Libpcap support.