GOLDEN HOUR

DIR: /usr/include/linux/netfilter

Name	Size	Action
[ ipset ]	-
nf_conntrack_common.h	4.48 KB
nf_conntrack_ftp.h	438 B
nf_conntrack_sctp.h	597 B
nf_conntrack_tcp.h	1.38 KB
nf_conntrack_tuple_common.h	896 B
nf_log.h	538 B
nf_nat.h	1.55 KB
nf_synproxy.h	576 B
nf_tables.h	56.89 KB
nf_tables_compat.h	731 B
nfnetlink.h	2.4 KB
nfnetlink_acct.h	900 B
nfnetlink_compat.h	2.39 KB
nfnetlink_conntrack.h	6.04 KB
nfnetlink_cthelper.h	1.18 KB
nfnetlink_cttimeout.h	2.88 KB
nfnetlink_hook.h	1.65 KB
nfnetlink_log.h	3.03 KB
nfnetlink_osf.h	2.6 KB
nfnetlink_queue.h	3.5 KB
x_tables.h	4.36 KB
xt_AUDIT.h	718 B
xt_CHECKSUM.h	563 B
xt_CLASSIFY.h	217 B
xt_CONNMARK.h	199 B
xt_CONNSECMARK.h	301 B
xt_CT.h	853 B
xt_DSCP.h	697 B
xt_HMARK.h	933 B
xt_IDLETIMER.h	1.6 KB
xt_LED.h	470 B
xt_LOG.h	642 B
xt_MARK.h	184 B
xt_NFLOG.h	556 B
xt_NFQUEUE.h	779 B
xt_RATEEST.h	390 B
xt_SECMARK.h	648 B
xt_SYNPROXY.h	498 B
xt_TCPMSS.h	235 B
xt_TCPOPTSTRIP.h	407 B
xt_TEE.h	333 B
xt_TPROXY.h	575 B
xt_addrtype.h	1.06 KB
xt_bpf.h	935 B
xt_cgroup.h	740 B
xt_cluster.h	374 B
xt_comment.h	230 B
xt_connbytes.h	577 B
xt_connlabel.h	360 B
xt_connlimit.h	575 B
xt_connmark.h	901 B
xt_conntrack.h	2.5 KB
xt_cpu.h	199 B
xt_dccp.h	483 B
xt_devgroup.h	429 B
xt_dscp.h	701 B
xt_ecn.h	736 B
xt_esp.h	418 B
xt_hashlimit.h	3.18 KB
xt_helper.h	188 B
xt_ipcomp.h	485 B
xt_iprange.h	581 B
xt_ipvs.h	680 B
xt_l2tp.h	739 B
xt_length.h	221 B
xt_limit.h	673 B
xt_mac.h	227 B
xt_mark.h	260 B
xt_multiport.h	721 B
xt_nfacct.h	421 B
xt_osf.h	1.66 KB
xt_owner.h	535 B
xt_physdev.h	553 B
xt_pkttype.h	188 B
xt_policy.h	1.03 KB
xt_quota.h	400 B
xt_rateest.h	859 B
xt_realm.h	220 B
xt_recent.h	1.03 KB
xt_rpfilter.h	320 B
xt_sctp.h	2.27 KB
xt_set.h	1.78 KB
xt_socket.h	640 B
xt_state.h	331 B
xt_statistic.h	716 B
xt_string.h	664 B
xt_tcpmss.h	253 B
xt_tcpudp.h	1.22 KB
xt_time.h	730 B
xt_u32.h	752 B

Edit: xt_conntrack.h

/* SPDX-License-Identifier: GPL-1.0+ WITH Linux-syscall-note */
/* Header file for kernel module to match connection tracking information.
 * GPL (C) 2001  Marc Boucher (marc@mbsi.ca).
 */

#ifndef _XT_CONNTRACK_H
#define _XT_CONNTRACK_H

#include <linux/types.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_conntrack_tuple_common.h>

#define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
#define XT_CONNTRACK_STATE_INVALID (1 << 0)

#define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
#define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
#define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3))

/* flags, invflags: */
enum {
	XT_CONNTRACK_STATE        = 1 << 0,
	XT_CONNTRACK_PROTO        = 1 << 1,
	XT_CONNTRACK_ORIGSRC      = 1 << 2,
	XT_CONNTRACK_ORIGDST      = 1 << 3,
	XT_CONNTRACK_REPLSRC      = 1 << 4,
	XT_CONNTRACK_REPLDST      = 1 << 5,
	XT_CONNTRACK_STATUS       = 1 << 6,
	XT_CONNTRACK_EXPIRES      = 1 << 7,
	XT_CONNTRACK_ORIGSRC_PORT = 1 << 8,
	XT_CONNTRACK_ORIGDST_PORT = 1 << 9,
	XT_CONNTRACK_REPLSRC_PORT = 1 << 10,
	XT_CONNTRACK_REPLDST_PORT = 1 << 11,
	XT_CONNTRACK_DIRECTION    = 1 << 12,
	XT_CONNTRACK_STATE_ALIAS  = 1 << 13,
};

struct xt_conntrack_mtinfo1 {
	union nf_inet_addr origsrc_addr, origsrc_mask;
	union nf_inet_addr origdst_addr, origdst_mask;
	union nf_inet_addr replsrc_addr, replsrc_mask;
	union nf_inet_addr repldst_addr, repldst_mask;
	__u32 expires_min, expires_max;
	__u16 l4proto;
	__be16 origsrc_port, origdst_port;
	__be16 replsrc_port, repldst_port;
	__u16 match_flags, invert_flags;
	__u8 state_mask, status_mask;
};

struct xt_conntrack_mtinfo2 {
	union nf_inet_addr origsrc_addr, origsrc_mask;
	union nf_inet_addr origdst_addr, origdst_mask;
	union nf_inet_addr replsrc_addr, replsrc_mask;
	union nf_inet_addr repldst_addr, repldst_mask;
	__u32 expires_min, expires_max;
	__u16 l4proto;
	__be16 origsrc_port, origdst_port;
	__be16 replsrc_port, repldst_port;
	__u16 match_flags, invert_flags;
	__u16 state_mask, status_mask;
};

struct xt_conntrack_mtinfo3 {
	union nf_inet_addr origsrc_addr, origsrc_mask;
	union nf_inet_addr origdst_addr, origdst_mask;
	union nf_inet_addr replsrc_addr, replsrc_mask;
	union nf_inet_addr repldst_addr, repldst_mask;
	__u32 expires_min, expires_max;
	__u16 l4proto;
	__u16 origsrc_port, origdst_port;
	__u16 replsrc_port, repldst_port;
	__u16 match_flags, invert_flags;
	__u16 state_mask, status_mask;
	__u16 origsrc_port_high, origdst_port_high;
	__u16 replsrc_port_high, repldst_port_high;
};

#endif /*_XT_CONNTRACK_H*/

GOLDEN HOUR

Edit: xt_conntrack.h

TERMINAL