| Server IP : 88.99.149.37 / Your IP : 216.73.216.141 Web Server : nginx/1.31.2 System : Linux server-88-99-149-37 6.12.0-124.56.5.el10_1.x86_64 #1 SMP PREEMPT_DYNAMIC Fri May 15 06:12:08 EDT 2026 x86_64 User : muralimurth ( 1015) PHP Version : 8.4.23 Disable Function : exec,system,passthru,shell_exec,proc_close,proc_open,dl,popen,show_source,posix_kill,posix_mkfifo,posix_getpwuid,posix_setpgid,posix_setsid,posix_setuid,posix_setgid,posix_seteuid,posix_setegid,posix_uname MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /proc/1/root/usr/include/linux/netfilter/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _NF_CONNTRACK_TCP_H
#define _NF_CONNTRACK_TCP_H
/* TCP tracking. */
#include <linux/types.h>
/* This is exposed to userspace (ctnetlink) */
enum tcp_conntrack {
TCP_CONNTRACK_NONE,
TCP_CONNTRACK_SYN_SENT,
TCP_CONNTRACK_SYN_RECV,
TCP_CONNTRACK_ESTABLISHED,
TCP_CONNTRACK_FIN_WAIT,
TCP_CONNTRACK_CLOSE_WAIT,
TCP_CONNTRACK_LAST_ACK,
TCP_CONNTRACK_TIME_WAIT,
TCP_CONNTRACK_CLOSE,
TCP_CONNTRACK_LISTEN, /* obsolete */
#define TCP_CONNTRACK_SYN_SENT2 TCP_CONNTRACK_LISTEN
TCP_CONNTRACK_MAX,
TCP_CONNTRACK_IGNORE,
TCP_CONNTRACK_RETRANS,
TCP_CONNTRACK_UNACK,
TCP_CONNTRACK_TIMEOUT_MAX
};
/* Window scaling is advertised by the sender */
#define IP_CT_TCP_FLAG_WINDOW_SCALE 0x01
/* SACK is permitted by the sender */
#define IP_CT_TCP_FLAG_SACK_PERM 0x02
/* This sender sent FIN first */
#define IP_CT_TCP_FLAG_CLOSE_INIT 0x04
/* Be liberal in window checking */
#define IP_CT_TCP_FLAG_BE_LIBERAL 0x08
/* Has unacknowledged data */
#define IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED 0x10
/* The field td_maxack has been set */
#define IP_CT_TCP_FLAG_MAXACK_SET 0x20
/* Marks possibility for expected RFC5961 challenge ACK */
#define IP_CT_EXP_CHALLENGE_ACK 0x40
/* Simultaneous open initialized */
#define IP_CT_TCP_SIMULTANEOUS_OPEN 0x80
struct nf_ct_tcp_flags {
__u8 flags;
__u8 mask;
};
#endif /* _NF_CONNTRACK_TCP_H */