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MOXA UC7112-LX iptables не работает


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команда

iptables -F пишет ошибку:

getsockopt failed strangely: no such file of directory

 

Прилагаю код функции, где возникает ошибка:

static int compatible_revision(const char *name, u_int8_t revision, int opt)
{
struct ipt_get_revision rev;
socklen_t s = sizeof(rev);
int max_rev, sockfd;

sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
if (sockfd < 0) {
	fprintf(stderr, "Could not open socket to kernel: %s\n",
		strerror(errno));
	exit(1);
}

strcpy(rev.name, name);
rev.revision = revision;

max_rev = getsockopt(sockfd, IPPROTO_IP, opt, &rev, &s);
if (max_rev < 0) {
	/* Definitely don't support this? */
	if (errno == EPROTONOSUPPORT) {
		close(sockfd);
		return 0;
	} else if (errno == ENOPROTOOPT) {
		close(sockfd);
		/* Assume only revision 0 support (old kernel) */
		return (revision == 0);
	} else {
		fprintf(stderr, "getsockopt failed strangely: %s\n",
			strerror(errno));
		exit(1);
	}
}
close(sockfd);
return 1;
}

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команда

iptables -F пишет ошибку:

getsockopt failed strangely: no such file of directory

Скорее всего, не хватает модулей. Добавьте в ядро следующие модули:

 

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/netfilter/x_tables.ko

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/netfilter/xt_multiport.ko

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/netfilter/xt_MARK.ko

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/netfilter/xt_tcpudp.ko

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/ipv4/netfilter/ip_tables.ko

insmod /lib/modules/2.6.19-uc1MoXaRt/kernel/net/ipv4/netfilter/iptable_filter.ko

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