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Groups > comp.os.linux.misc > #72934
| From | Mike Scott <usenet.16@scottsonline.org.uk.invalid> |
|---|---|
| Newsgroups | comp.os.linux.misc |
| Subject | Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use |
| Date | 2025-09-01 17:02 +0100 |
| Organization | Scott family |
| Message-ID | <1094g30$3uuca$1@dont-email.me> (permalink) |
| References | (19 earlier) <20250829081008.00004d8a@gmail.com> <108sqqi$25aq9$1@dont-email.me> <108v04h$2koah$1@dont-email.me> <108vdc2$2ohi5$1@dont-email.me> <109241p$3cnp8$1@dont-email.me> |
On 31/08/2025 19:24, Tauno Voipio wrote:
> On 30.8.2025 20.45, Mike Scott wrote:
>> On 30/08/2025 14:59, Tauno Voipio wrote:
>>> On 29.8.2025 21.16, Mike Scott wrote:
>>>> On 29/08/2025 16:10, John Ames wrote:
>>>>> On Fri, 29 Aug 2025 00:56:54 -0000 (UTC)
>>>>> Lawrence D’Oliveiro <ldo@nz.invalid> wrote:
>>>>>
>>>>>>> To be fair, the online wiki does give the answer. Which raises the
>>>>>>> issue, again, of documentation standards. When important matters are
>>>>>>> absent from at least some key docs, then what?
>>>>>>
>>>>>> Weren’t you one of those complaining that bare reference material
>>>>>> wasn’t enough? That you wanted tutorial examples and how-tos and all
>>>>>> that? Then when I mention that it all that is available, you now find
>>>>>> a new reason to complain?
>>>>>
>>>>> Again, when important information for *core networking tools* is only
>>>>> found on the Web, it hardly takes a great sage to discern the problem.
>>>>>
>>>>
>>>> The problem is that it is /not/ all available. I'm quite stumped
>>>> about one particular issue for which there seem no references at all
>>>> that I can find: and believe me, I have looked.
>>>>
>>>> Ironically, chatgpt has been a help. It makes so many errors that
>>>> sorting them out has been quite educational.
>>>>
>>>> Oh - the problem in hand. No doubt it's easy when you know: single
>>>> interface, allow all lan traffic, block wan inbound to port 22,
>>>> redirect wan inbound on port 12345 to 22 and pass. Block wan inbound
>>>> otherwise. If anyone has a config snippet to do this, I'd be very
>>>> grateful.
>>>>
>>>>
>>>
>>> Mike,
>>>
>>> The tool you need is called nftables, with a command line
>>> interface program called nft.
>>>
>>> Google for nftables documentation, read and understand it, the
>>> response is there with examples. It is difficult to provide a
>>> good snippet without your networking details.
>>>
>>> You could also configure the ssh daemon with a secondary port
>>> of 12345, just pass it, to avoid the port translation step.
>>>
>>
>> We're going in circles here.... there's an issue with lack of decent
>> docs (and examples) for nft - it seems that port blocking occurs after
>> the redirection, with unhappy consequences, and I find no usable
>> information suggesting any other possibility.
>>
>> I have running on freebsd, and am trying to move to linux, a server
>> that ignores port 22 from the net at large, but accepts (similar to)
>> 12345, just to provide an extra layer of obfuscation to wannabe
>> attackers.
>>
>> It's a 2-line doddle on freebsd's pf firewall; I can't for the life of
>> me work out the nftables equivalent, and begin to wonder if indeed it
>> can be done.
>>
>> I suppose opening multiple ssh listener ports is another solution
>> (thanks), but the original problem should - surely - be solvable: it
>> also pops up for other services but which won't necessarily have the
>> workaround.
>
>
> I'm writing this just on a network, where the Linux router is having
> a ruleset resembling what you ask for.
>
> Please look at <https://wiki.nftables.org/wiki-nftables/index.php/
> Netfilter_hooks>
>
> The nftables pages contain the information you need.
>
> You need to block the inbound TCP port 22 coming from the external
> interface. The correct place is in the ip nat table, PREROUTING chain.
>
Thank you for the reply. I can't say that the page you offer is
particularly enlightening.
However, after grubbing around yet more and with trial and error I have
a way of doing it:
table inet filter {
chain input {
......
# Reject direct SSH (port 22) from WAN
tcp dport 21022 drop
tcp dport 22 accept
...
}
}
table inet nat {
chain prerouting {
type nat hook prerouting priority -100;
# DNAT: Redirect WAN port 12345 to local port 22, WAN port 22
to graveyard
tcp dport 12345 ip saddr != 192.168.0.0/24 dnat ip to :22
tcp dport 22 ip saddr != 192.168.0.0/24 dnat ip to :21022
}
}
The solution involves the seemingly undocumented use of "!=" in this
context. (It seems to mean "is contained in" but IMBW. If anyone knows
where this is described, I'd be grateful. Or if it's wrong!)
--
Mike Scott
Harlow, England
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Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-05 08:14 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-05 11:22 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marco Moock <mm@dorfdsl.de> - 2025-08-05 11:34 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use jayjwa <jayjwa@atr2.ath.cx.invalid> - 2025-08-05 11:30 -0400
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-05 19:56 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 01:06 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John McCue <jmclnx@gmail.com.invalid> - 2025-08-06 01:32 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 04:20 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use c186282 <c186282@nnada.net> - 2025-08-06 01:33 -0400
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-06 09:31 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 08:56 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-06 10:35 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-06 11:38 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-07 00:06 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-11 11:50 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-11 22:02 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-12 08:39 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-12 10:49 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-12 10:54 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2025-08-12 18:47 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-12 23:36 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E. R." <robin_listas@es.invalid> - 2025-08-12 12:08 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use rbowman <bowman@montana.com> - 2025-08-12 19:35 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-12 23:07 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-13 09:47 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-14 00:41 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 12:35 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-19 12:18 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-19 15:16 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 01:02 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-27 06:56 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-28 00:50 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-28 09:40 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-29 00:56 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John Ames <commodorejohn@gmail.com> - 2025-08-29 08:10 -0700
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-29 19:16 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2025-08-30 16:59 +0300
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-08-30 18:45 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2025-08-31 21:24 +0300
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Mike Scott <usenet.16@scottsonline.org.uk.invalid> - 2025-09-01 17:02 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-31 03:25 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-30 06:34 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-30 08:39 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-30 08:45 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Harold Stevens <wookie@trixie.localdomain> - 2025-08-30 05:37 -0500
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John Ames <commodorejohn@gmail.com> - 2025-09-02 09:59 -0700
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Harold Stevens <wookie@aspen.localdomain> - 2025-09-02 12:59 -0500
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Richard Kettlewell <invalid@invalid.invalid> - 2025-08-30 17:48 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 01:01 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-20 12:52 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 22:36 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-21 11:44 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-21 11:34 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-21 14:36 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-21 14:27 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-21 21:37 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-22 10:33 +0100
Manuals [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-22 12:39 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-22 01:12 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-22 01:06 +0000
Documentation [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-22 12:26 +0200
Re: Documentation [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-23 23:13 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John Ames <commodorejohn@gmail.com> - 2025-08-20 07:47 -0700
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 22:37 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-08-20 19:25 +0000
tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-21 12:04 +0200
Re: tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-08-23 12:40 +0000
Re: tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-24 00:40 +0200
Re: tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-23 23:15 +0000
Re: tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Stéphane CARPENTIER <sc@fiat-linux.fr> - 2025-08-24 11:22 +0000
Re: tldr [WAS: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-24 22:18 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-08-21 12:40 +0300
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Richard Kettlewell <invalid@invalid.invalid> - 2025-08-06 14:21 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-06 16:24 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-06 10:12 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> - 2025-08-07 11:43 +0300
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use John McCue <jmclnx@gmail.com.invalid> - 2025-08-06 11:55 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 07:40 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 06:31 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 11:06 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Richard Kettlewell <invalid@invalid.invalid> - 2025-08-06 14:25 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-06 17:11 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 23:59 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-07 08:37 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-07 06:52 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Rich <rich@example.invalid> - 2025-08-18 16:49 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-06 12:46 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D'Oliveiro <ldo@nz.invalid> - 2025-08-06 23:56 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use "Carlos E.R." <robin_listas@es.invalid> - 2025-08-19 12:41 +0200
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 01:07 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Nuno Silva <nunojsilva@invalid.invalid> - 2025-08-20 09:48 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use The Natural Philosopher <tnp@invalid.invalid> - 2025-08-20 11:13 +0100
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 22:40 +0000
Re: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use vallor <vallor@cultnix.org> - 2025-08-21 00:27 +0000
ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-20 13:04 +0200
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] The Natural Philosopher <tnp@invalid.invalid> - 2025-08-20 12:30 +0100
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-20 22:44 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-21 12:15 +0200
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-22 01:18 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-22 12:45 +0200
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] The Natural Philosopher <tnp@invalid.invalid> - 2025-08-22 19:37 +0100
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] "Carlos E.R." <robin_listas@es.invalid> - 2025-08-22 22:32 +0200
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] The Natural Philosopher <tnp@invalid.invalid> - 2025-08-22 21:56 +0100
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-23 00:28 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] rbowman <bowman@montana.com> - 2025-08-23 05:51 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] The Natural Philosopher <tnp@invalid.invalid> - 2025-08-23 11:23 +0100
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-23 23:12 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] candycanearter07 <candycanearter07@candycanearter07.nomail.afraid> - 2025-08-29 19:40 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] rbowman <bowman@montana.com> - 2025-08-30 05:59 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-30 06:36 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Marc Haber <mh+usenetspam1118@zugschl.us> - 2025-08-30 10:36 +0200
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] Lawrence D’Oliveiro <ldo@nz.invalid> - 2025-08-31 01:25 +0000
Re: ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use] rbowman <bowman@montana.com> - 2025-08-23 05:43 +0000
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