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📄 nf_conntrack_common.h(2.26 KB)
📄 nf_conntrack_ftp.h(375 B)
📄 nf_conntrack_sctp.h(623 B)
📄 nf_conntrack_tcp.h(1.17 KB)
📄 nf_conntrack_tuple_common.h(295 B)
📄 nfnetlink.h(1.52 KB)
📄 nfnetlink_compat.h(2.33 KB)
📄 nfnetlink_conntrack.h(3.44 KB)
📄 nfnetlink_log.h(2.46 KB)
📄 nfnetlink_queue.h(2.2 KB)
📄 x_tables.h(3.58 KB)
📄 xt_AUDIT.h(655 B)
📄 xt_CHECKSUM.h(500 B)
📄 xt_CLASSIFY.h(154 B)
📄 xt_CONNMARK.h(737 B)
📄 xt_CONNSECMARK.h(238 B)
📄 xt_DSCP.h(634 B)
📄 xt_LED.h(407 B)
📄 xt_MARK.h(366 B)
📄 xt_NFLOG.h(326 B)
📄 xt_NFQUEUE.h(478 B)
📄 xt_RATEEST.h(305 B)
📄 xt_SECMARK.h(591 B)
📄 xt_TCPMSS.h(172 B)
📄 xt_TCPOPTSTRIP.h(322 B)
📄 xt_TPROXY.h(473 B)
📄 xt_cluster.h(305 B)
📄 xt_comment.h(176 B)
📄 xt_connbytes.h(511 B)
📄 xt_connlimit.h(361 B)
📄 xt_connmark.h(613 B)
📄 xt_conntrack.h(2.43 KB)
📄 xt_dccp.h(420 B)
📄 xt_dscp.h(638 B)
📄 xt_esp.h(355 B)
📄 xt_hashlimit.h(1.7 KB)
📄 xt_helper.h(125 B)
📄 xt_iprange.h(489 B)
📄 xt_length.h(158 B)
📄 xt_limit.h(610 B)
📄 xt_mac.h(135 B)
📄 xt_mark.h(222 B)
📄 xt_multiport.h(658 B)
📄 xt_osf.h(3.27 KB)
📄 xt_owner.h(306 B)
📄 xt_physdev.h(467 B)
📄 xt_pkttype.h(125 B)
📄 xt_policy.h(914 B)
📄 xt_quota.h(320 B)
📄 xt_rateest.h(774 B)
📄 xt_realm.h(157 B)
📄 xt_recent.h(524 B)
📄 xt_sctp.h(2.22 KB)
📄 xt_set.h(1.07 KB)
📄 xt_state.h(268 B)
📄 xt_statistic.h(653 B)
📄 xt_string.h(601 B)
📄 xt_tcpmss.h(190 B)
📄 xt_tcpudp.h(1.16 KB)
📄 xt_time.h(503 B)
📄 xt_u32.h(695 B)

Editing: nf_conntrack_common.h

#ifndef _NF_CONNTRACK_COMMON_H
#define _NF_CONNTRACK_COMMON_H
/* Connection state tracking for netfilter.  This is separated from,
   but required by, the NAT layer; it can also be used by an iptables
   extension. */
enum ip_conntrack_info
{
	/* Part of an established connection (either direction). */
	IP_CT_ESTABLISHED,

/* Like NEW, but related to an existing connection, or ICMP error
	   (in either direction). */
	IP_CT_RELATED,

/* Started a new connection to track (only
           IP_CT_DIR_ORIGINAL); may be a retransmission. */
	IP_CT_NEW,

/* >= this indicates reply direction */
	IP_CT_IS_REPLY,

/* Number of distinct IP_CT types (no NEW in reply dirn). */
	IP_CT_NUMBER = IP_CT_IS_REPLY * 2 - 1
};

/* Bitset representing status of connection. */
enum ip_conntrack_status {
	/* It's an expected connection: bit 0 set.  This bit never changed */
	IPS_EXPECTED_BIT = 0,
	IPS_EXPECTED = (1 << IPS_EXPECTED_BIT),

/* We've seen packets both ways: bit 1 set.  Can be set, not unset. */
	IPS_SEEN_REPLY_BIT = 1,
	IPS_SEEN_REPLY = (1 << IPS_SEEN_REPLY_BIT),

/* Conntrack should never be early-expired. */
	IPS_ASSURED_BIT = 2,
	IPS_ASSURED = (1 << IPS_ASSURED_BIT),

/* Connection is confirmed: originating packet has left box */
	IPS_CONFIRMED_BIT = 3,
	IPS_CONFIRMED = (1 << IPS_CONFIRMED_BIT),

/* Connection needs src nat in orig dir.  This bit never changed. */
	IPS_SRC_NAT_BIT = 4,
	IPS_SRC_NAT = (1 << IPS_SRC_NAT_BIT),

/* Connection needs dst nat in orig dir.  This bit never changed. */
	IPS_DST_NAT_BIT = 5,
	IPS_DST_NAT = (1 << IPS_DST_NAT_BIT),

/* Both together. */
	IPS_NAT_MASK = (IPS_DST_NAT | IPS_SRC_NAT),

/* Connection needs TCP sequence adjusted. */
	IPS_SEQ_ADJUST_BIT = 6,
	IPS_SEQ_ADJUST = (1 << IPS_SEQ_ADJUST_BIT),

/* NAT initialization bits. */
	IPS_SRC_NAT_DONE_BIT = 7,
	IPS_SRC_NAT_DONE = (1 << IPS_SRC_NAT_DONE_BIT),

IPS_DST_NAT_DONE_BIT = 8,
	IPS_DST_NAT_DONE = (1 << IPS_DST_NAT_DONE_BIT),

/* Both together */
	IPS_NAT_DONE_MASK = (IPS_DST_NAT_DONE | IPS_SRC_NAT_DONE),

/* Connection is dying (removed from lists), can not be unset. */
	IPS_DYING_BIT = 9,
	IPS_DYING = (1 << IPS_DYING_BIT),

/* Connection has fixed timeout. */
	IPS_FIXED_TIMEOUT_BIT = 10,
	IPS_FIXED_TIMEOUT = (1 << IPS_FIXED_TIMEOUT_BIT),
};

#endif /* _NF_CONNTRACK_COMMON_H */

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Editing: nf_conntrack_common.h

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