/usr/src/xtables-addons-3.0/extensions/xt_length2.h is in xtables-addons-dkms 3.0-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | #ifndef _LINUX_NETFILTER_XT_LENGTH2_H
#define _LINUX_NETFILTER_XT_LENGTH2_H
enum {
XT_LENGTH_INVERT = 1 << 0,
/* IP header plus payload */
XT_LENGTH_LAYER3 = 1 << 1,
/* Strip IP header: */
XT_LENGTH_LAYER4 = 1 << 2,
/* Strip TCP/UDP/etc. header */
XT_LENGTH_LAYER5 = 1 << 3,
/* TCP/UDP/SCTP payload */
XT_LENGTH_LAYER7 = 1 << 4,
};
struct xt_length_mtinfo2 {
u_int32_t min, max;
u_int16_t flags;
};
#endif /* _LINUX_NETFILTER_XT_LENGTH2_H */
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