libxt_LOG.c:6:10: fatal error: linux/netfilter/xt_LOG.h: No such file or directory . #include <linux/netfilter/xt_LOG.h> ^~~~~~~~~~~~~~~~~~~~~~~~~~ Linux < 3.4 defines are in include/linux/netfilter_ipv{4,6}/ipt_LOG.h, but the naming is slightly different, so just define it here as the values are the same. https://github.com/torvalds/linux/commit/6939c33a757bd006c5e0b8b5fd429fc587a4d0f4 Took the source from Linux v6.2. Signed-off-by: Thomas Devoogdt <thomas.devoogdt@xxxxxxxxx> --- v2: added the xt_LOG.h header rather than fixing /extensions/libxt_LOG.c --- include/linux/netfilter/xt_LOG.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 include/linux/netfilter/xt_LOG.h diff --git a/include/linux/netfilter/xt_LOG.h b/include/linux/netfilter/xt_LOG.h new file mode 100644 index 00000000..167d4ddd --- /dev/null +++ b/include/linux/netfilter/xt_LOG.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _XT_LOG_H +#define _XT_LOG_H + +/* make sure not to change this without changing nf_log.h:NF_LOG_* (!) */ +#define XT_LOG_TCPSEQ 0x01 /* Log TCP sequence numbers */ +#define XT_LOG_TCPOPT 0x02 /* Log TCP options */ +#define XT_LOG_IPOPT 0x04 /* Log IP options */ +#define XT_LOG_UID 0x08 /* Log UID owning local socket */ +#define XT_LOG_NFLOG 0x10 /* Unsupported, don't reuse */ +#define XT_LOG_MACDECODE 0x20 /* Decode MAC header */ +#define XT_LOG_MASK 0x2f + +struct xt_log_info { + unsigned char level; + unsigned char logflags; + char prefix[30]; +}; + +#endif /* _XT_LOG_H */ -- 2.39.2