Re: Bug report DNAT destination not work

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Martin Zaharinov <micron10@xxxxxxxxx> wrote:
> Hi Florian
> 
> 
> i recheck and libxt_DNAT.so is symlink to libxt_NAT.so
> 
> and i try : 
> 
> iptables v1.8.9 (nf_tables)

What did you try?

>   --modprobe=<command>		try to insert modules using this command
>   --set-counters -c PKTS BYTES	set the counter during insert/append
> [!] --version	-V		print package version.
> 
> 
> and show help .

No idea what you did or what you are trying to show.
IFF you ran "iptables -j DNAT --help", then libxt_DNAT is not
found resp. iptables is looking at the wrong place.

$ iptables-legacy -V
iptables v1.8.9 (legacy)
$ iptables -j DNAT --help
[..]
DNAT target options:
 --to-destination [<ipaddr>[-<ipaddr>]][:port[-port[/port]]]
                  Address to map destination to.
[--random] [--persistent]
$

I can only guess what the problem might be.

Maybe 'strace -f -e file iptables -j DNAT --help' will give a clue,
there should be lines like this:

newfstatat(AT_FDCWD, "/usr/lib64/xtables/libipt_DNAT.so", 0x7ffe94e3f180, 0) = -1 ENOENT
newfstatat(AT_FDCWD, "/usr/lib64/xtables/libxt_DNAT.so", {st_mode=S ... = 0
openat(AT_FDCWD, "/usr/lib64/xtables/libxt_DNAT.so", O_RDONLY|O_CLOEXEC) = 4



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