Internet browsing on Telkom ADSL not working when "check for proxy automatically" is enabled

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Zeus07

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Strange problem here. Was wondering if anyone would know why it's like this:

Recently every computer in the town where I live(don't know if the issue is more widespread), when on a Telkom ADSL line (and regardless of who the ISP is), won't browse the internet until the "automatically check for proxy settings" setting is disabled. I've seen this on numerous computers, including every brand new installation. It was never like this before.

Just interested in what could be causing this.
 
Zeus07 said:
Strange problem here. Was wondering if anyone would know why it's like this:

Recently every computer in the town where I live(don't know if the issue is more widespread), when on a Telkom ADSL line (and regardless of who the ISP is), won't browse the internet until the "automatically check for proxy settings" setting is disabled. I've seen this on numerous computers, including every brand new installation. It was never like this before.

Just interested in what could be causing this.
Click to expand...

Are these perhaps d-link routers ?
 
I have been toggling that setting to "OFF" in Windows for years.
It's many, many computers, and not restricted to D-Link routers. Particularly windows 10.
No idea why, just turning off fixes it.windows-could-not-automatically-detect-networks-proxy-settings-network-2.png
 
eddief1 said:
Are these perhaps d-link routers ?
Click to expand...
No. Doesn't matter what the router is. Seen this a dozen times now on my own which isn't D-Link.
Grouter said:
I have been toggling that setting to "OFF" in Windows for years.
It's many, many computers, and not restricted to D-Link routers. Particularly windows 10.
No idea why, just turning off fixes it.
Click to expand...
Same here, except having it on in the past meant that Google Chrome would have about a 3 - 5 second pause before loading a page(on opening up Chrome). For that reason I also turned it off on new setups.
Now there's zero browsing unless it's turned off.
Maybe it's some new Windows bug.
 
Your post piqued my interest since I had a similar issue that I only resolved recently.

In my case, it seemed to be linked to the following security issue:

https://www.securityweek.com/wpad-name-collision-flaw-allows-mitm-attacks
https://www.bleepingcomputer.com/forums/t/740178/was-my-router-compromised-wpad-attack/

Like the poster in the second link, I too have a Netgear D1500 router and like @eddief1 mentioned, it was pointing to wpad.domain.name.
https://who.is/whois-ip/ip-address/185.38.111.1

My solution was to update my router firmware and then factory reset the router. In addition to this, I blocked the IP address in my hosts file for added piece of mind.

I hope this helps.
 
TempestX said:
Your post piqued my interest since I had a similar issue that I only resolved recently.

In my case, it seemed to be linked to the following security issue:

https://www.securityweek.com/wpad-name-collision-flaw-allows-mitm-attacks
https://www.bleepingcomputer.com/forums/t/740178/was-my-router-compromised-wpad-attack/

Like the poster in the second link, I too have a Netgear D1500 router and like @eddief1 mentioned, it was pointing to wpad.domain.name.
https://who.is/whois-ip/ip-address/185.38.111.1

My solution was to update my router firmware and then factory reset the router. In addition to this, I blocked the IP address in my hosts file for added piece of mind.

I hope this helps.
Click to expand...
Yep, scary.

Must be 1000's of routers out there doing this

http://wpad.domain.name/wpad.dat
 
Last edited:
Zeus07 said:
Strange problem here. Was wondering if anyone would know why it's like this:

Recently every computer in the town where I live(don't know if the issue is more widespread), when on a Telkom ADSL line (and regardless of who the ISP is), won't browse the internet until the "automatically check for proxy settings" setting is disabled. I've seen this on numerous computers, including every brand new installation. It was never like this before.

Just interested in what could be causing this.
Click to expand...
Do you have an old Dlink 2740 or 2750 modem? Had the same problem with my parents. Changes to a later modem and it worked.

On the older, reset it, worked 5 minutes then gone.

Only email worked and you could browse wifi via cellphones but laptops was a no go. Just kept saying No Internet.
 
eddief1 said:
It could be related to WPAD (https://en.wikipedia.org/wiki/Web_Proxy_Auto-Discovery_Protocol)

It is something I raised in April and think I even emailed MyBB about it.

https://twitter.com/x/status/1246530734917128193

Could the above be what you are experiencing ? If so all those users traffic was/is trying to be proxied
Click to expand...
That is very interesting. I think you're probably right. Will test out and see if it's due to the default domain name that is set on the router.
 
If you check on Gumtree or FB Marketplace you get the Dlink Fibre Modems. Standing upright with 2x Antennas. That supports both Fibre and DSL. Bit tricky to setup but you will get the idea.

We got him one of those for R250 still boxed and works fine now.
 
He was running Windows 8 and we thought some virus as all the phones could browse, but when we checked my mom's windows 10 laptop same thing. So well got another router and the old one now in a box in the cupboard.
 
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