* [DNAT] Port forwarding with Port range
@ 2024-11-26 14:46 Mokhtar BEN MESSAOUD
[not found] ` <CABMULtJAEe+jv6O5qpzqiP1q9o4gDmkCti2D-Ldp10MEh1O2nA@mail.gmail.com>
0 siblings, 1 reply; 2+ messages in thread
From: Mokhtar BEN MESSAOUD @ 2024-11-26 14:46 UTC (permalink / raw)
To: netfilter
is it possible to use iptables to define a rule to make a port
forwarding of a range of ports
For example :
iptables -t nat -A PREROUTING -p tcp --dport 1000:2000 -j DNAT
--to-destination 192.168.1.100:3000-4000
so traffic for port 1000 will be redirected to port 3000
and traffic for port 1000+n ==> 3000+N
^ permalink raw reply [flat|nested] 2+ messages in thread[parent not found: <CABMULtJAEe+jv6O5qpzqiP1q9o4gDmkCti2D-Ldp10MEh1O2nA@mail.gmail.com>]
* Re: [DNAT] Port forwarding with Port range [not found] ` <CABMULtJAEe+jv6O5qpzqiP1q9o4gDmkCti2D-Ldp10MEh1O2nA@mail.gmail.com> @ 2024-11-27 13:02 ` Mokhtar BEN MESSAOUD 0 siblings, 0 replies; 2+ messages in thread From: Mokhtar BEN MESSAOUD @ 2024-11-27 13:02 UTC (permalink / raw) To: Alex K; +Cc: netfilter I tried and it does not work iptables -t nat -A PREROUTING -p tcp --dport 1000:2000 -j DNAT --to-destination 192.168.1.100:3000 ==> Ok all traffic received with destination port in 1000:2000 is redirected to 192.168.1.100:3000 but iptables -t nat -A PREROUTING -p tcp --dport 1000:2000 -j DNAT --to-destination 192.168.1.100:3000-4000 ==> does not work : no traffic is redirected it seem a known issue : https://bugzilla.netfilter.org/show_bug.cgi?id=1501 issue with DNAT port range Le mar. 26 nov. 2024 à 18:36, Alex K <rightkicktech@gmail.com> a écrit : > > Yes, that should be possible. > > On Tue, 26 Nov 2024 at 4:46 PM, Mokhtar BEN MESSAOUD <mbmessaoud@gmail.com> wrote: >> >> is it possible to use iptables to define a rule to make a port >> forwarding of a range of ports >> For example : >> iptables -t nat -A PREROUTING -p tcp --dport 1000:2000 -j DNAT >> --to-destination 192.168.1.100:3000-4000 >> >> so traffic for port 1000 will be redirected to port 3000 >> and traffic for port 1000+n ==> 3000+N >> ^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-11-26 14:46 [DNAT] Port forwarding with Port range Mokhtar BEN MESSAOUD
[not found] ` <CABMULtJAEe+jv6O5qpzqiP1q9o4gDmkCti2D-Ldp10MEh1O2nA@mail.gmail.com>
2024-11-27 13:02 ` Mokhtar BEN MESSAOUD
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