A Linux netfilter module to aid in (d)dos protection
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#ifndef _TS3INIT_HEADER_H
#define _TS3INIT_HEADER_H
struct ts3_init_header_tag
{
union
{
char tag8[8];
__aligned_u64 tag64;
};
};
struct ts3_init_header
{
struct ts3_init_header_tag tag;
__be16 packet_id;
__be16 client_id;
__u8 flags;
__u8 client_version[4];
__u8 command;
__u8 payload[20];
};
struct ts3_init_checked_header_data
{
struct udphdr *udp, udp_buf;
struct ts3_init_header* ts3_header, ts3_header_buf;
};
enum
{
COMMAND_GET_COOKIE = 0,
COMMAND_SET_COOKIE,
COMMAND_GET_PUZZLE,
COMMAND_SET_PUZZLE,
COMMAND_SOLVE_PUZZLE,
COMMAND_RESET_PUZZLE,
COMMAND_MAX
};
#endif /* _TS3INIT_HEADER_H */