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05/09/2024 07:14:21 AM
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05/09/2024 07:14:21 AM
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nf_conntrack_common.h
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nf_conntrack_ftp.h
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nf_conntrack_sctp.h
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nf_conntrack_tcp.h
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nf_conntrack_tuple_common.h
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nf_log.h
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nf_nat.h
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nf_tables.h
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nf_tables_compat.h
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nfnetlink.h
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nfnetlink_acct.h
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nfnetlink_compat.h
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nfnetlink_conntrack.h
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nfnetlink_cthelper.h
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nfnetlink_cttimeout.h
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nfnetlink_log.h
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nfnetlink_queue.h
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x_tables.h
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xt_AUDIT.h
718 bytes
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xt_CHECKSUM.h
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xt_CLASSIFY.h
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xt_CONNMARK.h
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xt_CONNSECMARK.h
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xt_CT.h
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xt_DSCP.h
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xt_HMARK.h
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xt_IDLETIMER.h
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xt_LED.h
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xt_LOG.h
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xt_MARK.h
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xt_NFLOG.h
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xt_NFQUEUE.h
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xt_RATEEST.h
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xt_SECMARK.h
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xt_SYNPROXY.h
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xt_TCPMSS.h
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xt_TCPOPTSTRIP.h
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xt_TEE.h
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xt_TPROXY.h
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xt_addrtype.h
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xt_bpf.h
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xt_cgroup.h
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xt_cluster.h
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xt_comment.h
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xt_connbytes.h
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xt_connlabel.h
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xt_connlimit.h
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xt_connmark.h
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xt_conntrack.h
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xt_cpu.h
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xt_dccp.h
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xt_devgroup.h
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xt_dscp.h
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xt_ecn.h
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xt_esp.h
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xt_hashlimit.h
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xt_helper.h
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xt_ipcomp.h
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xt_iprange.h
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xt_ipvs.h
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xt_l2tp.h
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xt_length.h
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xt_limit.h
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xt_mac.h
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xt_mark.h
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xt_multiport.h
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xt_nfacct.h
421 bytes
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xt_osf.h
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xt_owner.h
369 bytes
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xt_physdev.h
553 bytes
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xt_pkttype.h
188 bytes
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xt_policy.h
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xt_quota.h
400 bytes
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xt_rateest.h
859 bytes
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xt_realm.h
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xt_recent.h
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xt_rpfilter.h
320 bytes
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xt_sctp.h
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xt_set.h
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xt_socket.h
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xt_state.h
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xt_statistic.h
716 bytes
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xt_string.h
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xt_tcpmss.h
253 bytes
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xt_tcpudp.h
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xt_time.h
730 bytes
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xt_u32.h
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Editing: xt_osf.h
Close
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Copyright (c) 2003+ Evgeniy Polyakov <johnpol@2ka.mxt.ru> * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _XT_OSF_H #define _XT_OSF_H #include <linux/types.h> #include <linux/ip.h> #include <linux/tcp.h> #define MAXGENRELEN 32 #define XT_OSF_GENRE (1<<0) #define XT_OSF_TTL (1<<1) #define XT_OSF_LOG (1<<2) #define XT_OSF_INVERT (1<<3) #define XT_OSF_LOGLEVEL_ALL 0 /* log all matched fingerprints */ #define XT_OSF_LOGLEVEL_FIRST 1 /* log only the first matced fingerprint */ #define XT_OSF_LOGLEVEL_ALL_KNOWN 2 /* do not log unknown packets */ #define XT_OSF_TTL_TRUE 0 /* True ip and fingerprint TTL comparison */ #define XT_OSF_TTL_LESS 1 /* Check if ip TTL is less than fingerprint one */ #define XT_OSF_TTL_NOCHECK 2 /* Do not compare ip and fingerprint TTL at all */ struct xt_osf_info { char genre[MAXGENRELEN]; __u32 len; __u32 flags; __u32 loglevel; __u32 ttl; }; /* * Wildcard MSS (kind of). * It is used to implement a state machine for the different wildcard values * of the MSS and window sizes. */ struct xt_osf_wc { __u32 wc; __u32 val; }; /* * This struct represents IANA options * http://www.iana.org/assignments/tcp-parameters */ struct xt_osf_opt { __u16 kind, length; struct xt_osf_wc wc; }; struct xt_osf_user_finger { struct xt_osf_wc wss; __u8 ttl, df; __u16 ss, mss; __u16 opt_num; char genre[MAXGENRELEN]; char version[MAXGENRELEN]; char subtype[MAXGENRELEN]; /* MAX_IPOPTLEN is maximum if all options are NOPs or EOLs */ struct xt_osf_opt opt[MAX_IPOPTLEN]; }; struct xt_osf_nlmsg { struct xt_osf_user_finger f; struct iphdr ip; struct tcphdr tcp; }; /* Defines for IANA option kinds */ enum iana_options { OSFOPT_EOL = 0, /* End of options */ OSFOPT_NOP, /* NOP */ OSFOPT_MSS, /* Maximum segment size */ OSFOPT_WSO, /* Window scale option */ OSFOPT_SACKP, /* SACK permitted */ OSFOPT_SACK, /* SACK */ OSFOPT_ECHO, OSFOPT_ECHOREPLY, OSFOPT_TS, /* Timestamp option */ OSFOPT_POCP, /* Partial Order Connection Permitted */ OSFOPT_POSP, /* Partial Order Service Profile */ /* Others are not used in the current OSF */ OSFOPT_EMPTY = 255, }; /* * Initial window size option state machine: multiple of mss, mtu or * plain numeric value. Can also be made as plain numeric value which * is not a multiple of specified value. */ enum xt_osf_window_size_options { OSF_WSS_PLAIN = 0, OSF_WSS_MSS, OSF_WSS_MTU, OSF_WSS_MODULO, OSF_WSS_MAX, }; /* * Add/remove fingerprint from the kernel. */ enum xt_osf_msg_types { OSF_MSG_ADD, OSF_MSG_REMOVE, OSF_MSG_MAX, }; enum xt_osf_attr_type { OSF_ATTR_UNSPEC, OSF_ATTR_FINGER, OSF_ATTR_MAX, }; #endif /* _XT_OSF_H */