![Denys Fedoryshchenko](/assets/img/avatar_default.png)
The mask option allows you put all address belonging that mask into the same recent slot. This can be useful in case that recent is used to detect attacks from the same network segment. Tested for backward compatibility. Signed-off-by: Denys Fedoryshchenko <denys@visp.net.lb> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
46 lines
966 B
C
46 lines
966 B
C
#ifndef _LINUX_NETFILTER_XT_RECENT_H
|
|
#define _LINUX_NETFILTER_XT_RECENT_H 1
|
|
|
|
#include <linux/types.h>
|
|
|
|
enum {
|
|
XT_RECENT_CHECK = 1 << 0,
|
|
XT_RECENT_SET = 1 << 1,
|
|
XT_RECENT_UPDATE = 1 << 2,
|
|
XT_RECENT_REMOVE = 1 << 3,
|
|
XT_RECENT_TTL = 1 << 4,
|
|
XT_RECENT_REAP = 1 << 5,
|
|
|
|
XT_RECENT_SOURCE = 0,
|
|
XT_RECENT_DEST = 1,
|
|
|
|
XT_RECENT_NAME_LEN = 200,
|
|
};
|
|
|
|
/* Only allowed with --rcheck and --update */
|
|
#define XT_RECENT_MODIFIERS (XT_RECENT_TTL|XT_RECENT_REAP)
|
|
|
|
#define XT_RECENT_VALID_FLAGS (XT_RECENT_CHECK|XT_RECENT_SET|XT_RECENT_UPDATE|\
|
|
XT_RECENT_REMOVE|XT_RECENT_TTL|XT_RECENT_REAP)
|
|
|
|
struct xt_recent_mtinfo {
|
|
__u32 seconds;
|
|
__u32 hit_count;
|
|
__u8 check_set;
|
|
__u8 invert;
|
|
char name[XT_RECENT_NAME_LEN];
|
|
__u8 side;
|
|
};
|
|
|
|
struct xt_recent_mtinfo_v1 {
|
|
__u32 seconds;
|
|
__u32 hit_count;
|
|
__u8 check_set;
|
|
__u8 invert;
|
|
char name[XT_RECENT_NAME_LEN];
|
|
__u8 side;
|
|
union nf_inet_addr mask;
|
|
};
|
|
|
|
#endif /* _LINUX_NETFILTER_XT_RECENT_H */
|