ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use]

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	comp.os.linux.misc
Subject	ISP router [Was: Yes, You Need A Firewall On Linux - Here’s Why And Which To Use]
Date	2025-08-20 13:04 +0200
Message-ID	<emmgnlxv15.ln2@Telcontar.valinor> (permalink)
References	(3 earlier) <6dobmlx9de.ln2@Telcontar.valinor> <1070q3q$3m69k$10@dont-email.me> <a01enlxmr9.ln2@Telcontar.valinor> <1083746$1m96$13@dont-email.me> <108425m$7efa$3@dont-email.me>

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On 2025-08-20 10:48, Nuno Silva wrote:
> On 2025-08-20, Lawrence D’Oliveiro wrote:
> 
>> On Tue, 19 Aug 2025 12:41:46 +0200, Carlos E.R. wrote:
>>
>>> On 2025-08-07 01:56, Lawrence D'Oliveiro wrote:
>>>>
>>>> On Wed, 6 Aug 2025 12:46:30 +0200, Carlos E.R. wrote:
>>>>
>>>>> I don't trust my router, provided by the ISP.
>>>>
>>>> I bought my own. I could even run my own routing stack on a Linux box.
>>>
>>> The configuration needed by the ISP on the router is not documented ...
>>
>> Here in NZ it’s all standard protocols. I bought the router from a local
>> retailer, not from the ISP. Setup was straightforward -- the router calls
>> the setup option I am using “Dynamic IP”, but I think it’s just DHCP.
> 
> In this case, I think we're talking about a box with router and a bunch
> of other stuff, to deal with incoming GPON (can this part still be
> called modem, or the workings of fiber disqualify that?) and at least
> outgoing coax for TV, RJ11 for telephony and 8p8c for Ethernet.
> 
> I've seen these called "ONT", but it seems (from another thread here)
> that this may not be entirely appropriate either?

Yes, it is GPON. Now the ONT is integrated inside the router. So the 
router has an optical input, has two phone connectors, 4 ethernet 
connectors, and one WiFi access point.

It is all standard protocols, but they have to be configured. The 
optical interface needs some parameters, maybe there is a login and 
password or client number somewhere. The channel in the GPON setup.
The television service needs an VLAN, the VoIp phone service needs 
another... there are a lot of details in the configuration of those many 
standard services that have to be configured. There is not, to my 
knowledge, an ISP provided document listing all that.

There might be in the market routers in which I simply click "Telefónica 
Spain setup" and all is done, but I don't know about them. This did 
exist with ADSL.

-- 
Cheers, Carlos.

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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] rbowman <bowman@montana.com> - 2025-08-23 05:43 +0000

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