Which security zone is my router in?

September 28, 2015 at 10:35:10
Specs: Win 7
My computer is connected to my router by Ethernet cable.
The router connects to my ISP. No other network or computers
are involved. I access the router's settings via web browser.

Which security zone does Windows consider the router to be in?

- Local machine (My computer)
- Local intranet
- Internet

If the router is considered to be in the local intranet, would it be
the only thing in that zone? I can't image anything else being there.

-- Jeff, in Minneapolis


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#1
September 28, 2015 at 12:59:25
Did some experimenting. It appears to be in the Internet Zone. With max security set there I can no longer reach my router settings webpage. I too am using Ethernet cable to the router.

message edited by Derek


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#2
September 28, 2015 at 15:51:20
I was prompted to ask that question by something on a page
linked from a page you directed me to. When I returned to
continue reading it, I found that the very next sentence had
part of the answer. It says that Windows interprets a URL as
being on the Internet if the domain name contains dots, or on
an intranet if it does not contain dots. But I'm not sure about
mine: The first part of the URL, which I'd say is the domain
name, has no dots, but the end part, after the slash, does.
But presence of dots probably isn't the only criterion.

-- Jeff, in Minneapolis


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#3
September 28, 2015 at 17:53:34
There are 3 address ranges that are considered "Private" (Intranet):

10.0.0.0/8 (Class A)
range of valid IP addresses: 10.0.0.1 to 10.255.255.254.

172.16.0.0/12 (Class B)
range of valid IP addresses: 172.16.0.1 to 172.31.255.254.

192.168.0.0/16 (Class C)
range of valid IP addresses: 192.168.0.1 to 192.168.255.254. (most home router)

In your HOSTS file , local devices can be named with dots or without dots.
Companies use their private DNS servers to resolve intranet addresses.
I don't see how a browser could distinguish between internet /intranet address solely on dotted notations.
If it is an internet address it is out side the 3 intranet address ranges.

Windows also classifies network-adapter to be HOME, WORK or PUBLIC. which will set the firewall, sharing and network-discovery accordingly. (trust-level)


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Related Solutions

#4
September 28, 2015 at 18:20:22
sluc

Looks like that puts the router address in Intranet.

Any idea why maxing the Internet security in IE stops me accessing the router webpage?

Always pop back and let us know the outcome - thanks


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#5
September 28, 2015 at 19:48:07
My guess would be that Max security treats anything outside of your machine as a possible security risk and any webpage could qualify, especially if it is looking for certificates which I would assume there would not be any.

You have to be a little bit crazy to keep you from going insane.


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#6
September 28, 2015 at 22:21:42
@ Derek,
If I set Internet & intranet security in IE to max High, I can still open the router(s) page.
What did you change more?

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#7
September 29, 2015 at 04:39:00
Hi sluc

I simply moved the slider up to the top on "Internet", which showed the settings as High. When I then go into router settings (http://192.168.1.1/) I get a blank screen. If I hit the "Default level" button on "Internet" and go to router settings again I get presented with the Username and Password screen as usual.

Always pop back and let us know the outcome - thanks


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#8
September 29, 2015 at 20:15:24
Is that a java webpage? Or an ActiveX app?

message edited by sluc


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#9
September 30, 2015 at 06:41:38
sluc

Was #8 meant for me?

If so maybe I'm misunderstanding you. I was in "IE > Tools > Internet Options > Security tab > Internet".

http://192.168.1.1/ is what I put in the address line to open the router settings page.

Not sure where Java or ActiveX app comes in but I have Java disabled in browsers for security reasons.

Always pop back and let us know the outcome - thanks

message edited by Derek


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