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git://git.code.sf.net/p/xtables-addons/xtables-addons
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7cdfc0ac3d
xt_length2 provides exact layer-4,-5 and -7 length matching besides the preexisting layer-3 length match.
23 lines
457 B
C
23 lines
457 B
C
#ifndef _LINUX_NETFILTER_XT_LENGTH2_H
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#define _LINUX_NETFILTER_XT_LENGTH2_H
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enum {
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XT_LENGTH_INVERT = 1 << 0,
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/* IP header plus payload */
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XT_LENGTH_LAYER3 = 1 << 1,
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/* Strip IP header: */
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XT_LENGTH_LAYER4 = 1 << 2,
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/* Strip TCP/UDP/etc. header */
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XT_LENGTH_LAYER5 = 1 << 3,
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/* TCP/UDP/SCTP payload */
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XT_LENGTH_LAYER7 = 1 << 4,
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};
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struct xt_length_mtinfo2 {
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u_int32_t min, max;
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u_int16_t flags;
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};
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#endif /* _LINUX_NETFILTER_XT_LENGTH2_H */
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