WebApr 11, 2024 · 你能不能再讲一下代码中的socket和raw socket是怎么用的呢？ 大牛：当然可以，socket和raw socket都是用于实现网络通信的技术，它们可以让应用程序通过网络传输数据。 小白：哦，原来如此，那你能不能举一个例子，展示一下socket和raw socket的用法？ WebJun 8, 2024 · A raw socket allows new IPv4 protocols to be implemented in user space. A raw socket deals with raw packages (i.e. the whole package, containing both payload and …

How to code Packet Sniffer in C with Sockets on Linux

WebI need to set up a raw socket for incoming packets only on a specific interface (has both eth0 and eth1, eth1 only). In other words, I need only incoming packets on one specific … WebDec 9, 2014 · The sniff_ethernet structure, being the first in line, is simply at location X. sniff_ip, who follows directly after sniff_ethernet, is at the location X, plus however much space the Ethernet header consumes (14 bytes, or SIZE_ETHERNET). sniff_tcp is after both sniff_ip and sniff_ethernet, so it is location at X plus the sizes of the Ethernet and IP … sharon carius

How to Code Raw Sockets in C on Linux – BinaryTides

WebFeb 1, 2011 · $ gcc -lpcap sniff.c -o sniffer # ./sniffer ip. Check the output in Figure 1. Figure 1: Output of the program. As we have given ip as the expression, your screen will soon fill with the count of the number of IP packets. You can replace ip with any expression of your choice, like tcp, arp, etc — take a look at the tcpdump man pages. WebApr 11, 2024 · 获取验证码. 密码. 登录 WebCreate a Raw Socket • s = socket (PF_INET, SOCK_RAW, protocol) – IPPROTO_ICMP, IPPROTO_IP, etc. • Can create our own IP header if we wish – const int on = 1; – setsockopt (s, IPPROTO_IP, IP_HDRINCL, &on, sizeof (on)); Raw Socket Output • Normal output performed using sendto or sendmsg. – Write or send can be used if the socket has ... sharon carlin mcnicholl