}/*OK, now commit destination to socket.*/sk->sk_gso_type = SKB_GSO_TCPV4;//设置分段类型sk_setup_caps(sk, &rt->dst);//设置分段标识和分段值if(!tp->write_seq && likely(!tp->repair))//计算发送序号 seqtp->write_seq = secure_tcp_sequence_number(inet->inet_saddr, inet->inet_da...
tcp_connect的源码: /*Build a SYN and send it off.*/inttcp_connect(structsock *sk) {structtcp_sock *tp =tcp_sk(sk);structsk_buff *buff;interr;//初始化传输控制块中与连接相关的成员tcp_connect_init(sk);if(unlikely(tp->repair)) { tcp_finish_connect(sk, NULL);return0; }//分配skbuff...
(sk); __be16 orig_sport, orig_dport; __be32 daddr, nexthop; struct flowi4 *fl4; struct rtable *rt; int err; struct ip_options_rcu *inet_opt; if (addr_len < sizeof(struct sockaddr_in)) return -EINVAL; /*AF_INET是用户调用socket函数创建套接字时传入的参数, 这里校验地址长度和...
localhost.8181 > localhost.47768: Flags [.], cksum 0xfe28 (incorrect -> 0x672b), seq 1, ack 15, win 512, options [nop,nop,TS val 198576103 ecr 198576103], length 0 0x0000: 4500 0034 2ffa 4000 4006 0cc8 7f00 0001 E..4/.@.@... 0x0010: 7f00 0001 1ff5 ba98 b97f e652 ...
/* 如果使用TCP_REPAIR选项,那么不发送SYN和等待SYNACK,而是直接进入成功状态 */ if (unlikely(tp->repair)) { tcp_finsih_connect(sk, NULL); } buff = alloc_skb_fclone(MAX_TCP_HEADER + 15, sk->sk_allocation); if (unlikely(buff == NULL)) return -ENOBUFS; /* No buffer space available *...
TCP options timestamp每个包都带有时间戳 tcp_timestamp 默认情况下内核是开启timestamps选项的,如下tcp_sk_init函数中对sysctl_tcp_timestamps的初始化。 AI检测代码解析 static int __net_init tcp_sk_init(struct net *net) { net->ipv4.sysctl_tcp_timestamps = 1;...
Figure 1-3 The Alternate Configuration tab of the Internet Protocol Version 4 (TCP/IPv4) component This tab contains two options: TCP/IP Fundamentals for Microsoft Windows Page: 10 Chapter 1 – Introduction to TCP/IP Automatic Private IP Address If you choose this option, Automatic Private...
底层压缩高效传输,http(s)\sps\socks代理在tcp之上可以通过自定义加密和tls标准加密以及kcp协议加密tcp数据,在加密之后还可以对数据进行压缩,也就是说压缩功能和自定义加密和tls|kcp是可以联合使用的。 安全的DNS代理,可以通过本地的proxy提供的DNS代理服务器与上级代理加密通讯实现安全防污染的DNS查询。
Then perform a backup of data, sequence number, TCP options, timestamp, TCP window Restore, exit TCP_REPAIR mode, hot migration is complete, disconnect the original attacker from the LIH, and subsequent interactions use the attacker with the HIH. Here we should note that the time shown by ...
Oxidative stress is brought about by the inability of the antioxidant defenses to repair the cell damage caused by free radicals. It can lead to the deterioration of the cell structure that can harm your skin. Therefore, you should engage in regular exercises because it stimulates blood flow in...