FM / netfilter

/usr/include/linux/netfilter

Name	Size	Mode	Actions
ipset/	-	0755	rm
nfnetlink.h	1557	0644	edit dl rm
nfnetlink_compat.h	2381	0644	edit dl rm
nfnetlink_conntrack.h	3526	0644	edit dl rm
nfnetlink_log.h	2517	0644	edit dl rm
nfnetlink_queue.h	2251	0644	edit dl rm
nf_conntrack_common.h	2315	0644	edit dl rm
nf_conntrack_ftp.h	375	0644	edit dl rm
nf_conntrack_sctp.h	623	0644	edit dl rm
nf_conntrack_tcp.h	1199	0644	edit dl rm
nf_conntrack_tuple_common.h	295	0644	edit dl rm
xt_AUDIT.h	655	0644	edit dl rm
xt_CHECKSUM.h	500	0644	edit dl rm
xt_CLASSIFY.h	154	0644	edit dl rm
xt_cluster.h	305	0644	edit dl rm
xt_comment.h	176	0644	edit dl rm
xt_connbytes.h	511	0644	edit dl rm
xt_connlimit.h	361	0644	edit dl rm
xt_CONNMARK.h	737	0644	edit dl rm
xt_connmark.h	613	0644	edit dl rm
xt_CONNSECMARK.h	238	0644	edit dl rm
xt_conntrack.h	2485	0644	edit dl rm
xt_dccp.h	420	0644	edit dl rm
xt_DSCP.h	634	0644	edit dl rm
xt_dscp.h	638	0644	edit dl rm
xt_esp.h	355	0644	edit dl rm
xt_hashlimit.h	1742	0644	edit dl rm
xt_helper.h	125	0644	edit dl rm
xt_iprange.h	489	0644	edit dl rm
xt_LED.h	407	0644	edit dl rm
xt_length.h	158	0644	edit dl rm
xt_limit.h	610	0644	edit dl rm
xt_mac.h	135	0644	edit dl rm
xt_MARK.h	366	0644	edit dl rm
xt_mark.h	222	0644	edit dl rm
xt_multiport.h	658	0644	edit dl rm
xt_NFLOG.h	326	0644	edit dl rm
xt_NFQUEUE.h	478	0644	edit dl rm
xt_osf.h	3347	0644	edit dl rm
xt_owner.h	306	0644	edit dl rm
xt_physdev.h	467	0644	edit dl rm
xt_pkttype.h	125	0644	edit dl rm
xt_policy.h	914	0644	edit dl rm
xt_quota.h	320	0644	edit dl rm
xt_RATEEST.h	305	0644	edit dl rm
xt_rateest.h	774	0644	edit dl rm
xt_realm.h	157	0644	edit dl rm
xt_recent.h	524	0644	edit dl rm
xt_sctp.h	2275	0644	edit dl rm
xt_SECMARK.h	591	0644	edit dl rm
xt_set.h	1100	0644	edit dl rm
xt_state.h	268	0644	edit dl rm
xt_statistic.h	653	0644	edit dl rm
xt_string.h	601	0644	edit dl rm
xt_TCPMSS.h	172	0644	edit dl rm
xt_tcpmss.h	190	0644	edit dl rm
xt_TCPOPTSTRIP.h	322	0644	edit dl rm
xt_tcpudp.h	1187	0644	edit dl rm
xt_time.h	503	0644	edit dl rm
xt_TPROXY.h	473	0644	edit dl rm
xt_u32.h	695	0644	edit dl rm
x_tables.h	3668	0644	edit dl rm

Edit: /usr/include/linux/netfilter/xt_conntrack.h (2485B)

/* 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/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,
};

/* This is exposed to userspace, so remains frozen in time. */
struct ip_conntrack_old_tuple
{
	struct {
		__be32 ip;
		union {
			__u16 all;
		} u;
	} src;

struct {
		__be32 ip;
		union {
			__u16 all;
		} u;

/* The protocol. */
		__u16 protonum;
	} dst;
};

struct xt_conntrack_info
{
	unsigned int statemask, statusmask;

struct ip_conntrack_old_tuple tuple[IP_CT_DIR_MAX];
	struct in_addr sipmsk[IP_CT_DIR_MAX], dipmsk[IP_CT_DIR_MAX];

unsigned long expires_min, expires_max;

/* Flags word */
	__u8 flags;
	/* Inverse flags */
	__u8 invflags;
};

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;
};

#endif /*_XT_CONNTRACK_H*/

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