Server DNS not found - Samsung Galaxy S8 Questions and Answers

(www...........'s) server DNS address could not be found.
I get this error trying to access some websites e.g. gumtree.com.au or if i google something and the first few links are paid ads then i get the same error if i click on them.
I have tried DNS changer and set to 8.8.4.4 and 8.8.8.8 respectively and issue persists.
This will happen with any browser i have tried. And the gumtree app doesn't work either.
Any idea whats goin on?

Finally someone else! I can't either, only on my s8 and only gumtree. Any help?

Are you guys still having this issue? It's driving me crazy that I can't access that Gumtree at all even via Chrome

Anyone got a solution yet? As of today i am finding this issue plus clicking on anything from Google shopping ads

cepjr said:
Are you guys still having this issue? It's driving me crazy that I can't access that Gumtree at all even via Chrome
Click to expand...
Click to collapse
Yeah, and no fix in sight... Really weird

I'm using aldi mobile in Australia. You guys?
From what I read from when you encounter this on your computer, it's a problem with your dns settings. For mobile, if you have setup the apn and port details correctly then it's a problem with the provider (in my case aldi) in that their internet services server does not recognise gumtree's addresses as being valid.
Which is really dumb, cos why would Aldi block or all of a sudden remove Gumtree as a valid source.

I figured out what was blocking gumtree and google ads.
I installed an ad blocker called Adhell.
Disabled it, opened gumtree to allow it to setup, then reactivated Adhell.
Gumtree remain active and working now with Adhell on.

Here is how to fix Server DNS Address Could Not Be Found on Chrome
1 – Change DNS Server Settings
2 – Clear Chrome Host Cache
3 – Flush The DNS Settings Via Command Prompt
4 – Empty Etc Folder On Your PC
5 – Restart The DNS Client Service

windowsusers121 said:
Here is how to fix Server DNS Address Could Not Be Found on Chrome
1 – Change DNS Server Settings
2 – Clear Chrome Host Cache
3 – Flush The DNS Settings Via Command Prompt
4 – Empty Etc Folder On Your PC
5 – Restart The DNS Client Service
Click to expand...
Click to collapse
Anybody did this? Does it work?

Related

Strange Network Authentication Issue

I have been dealing with this for some time and am finally reaching out. I really hope this makes sense, if not please tell me and I will try to clarify.
I have two windows 2k3 servers at home with shares on each. I can see and map the shares with my pda on one server just fine but the other doesn't work at all. I can see both computers on the pda and the shares are accessible from 6 other machines both logged as domain users and local accounts. I've made sure the permisions were identical on both machine (along with checking everything I could think of a million friggin times) I finally noticed that if I enter false credentials into the login for the working server then I get a failed security audit with the faulty username along in the event log along with a second separate one showing my wireless network username for school as the attempted username . On the non working machine I only get this school username and nothing else regardless of what I enter into the pda. The best I can figure, one server is allowing the failed attempt and moving on to the good and the other is stopping after the first. Someone PLEASE tell me why a username ONLY entered into the wireless network settings of my schools network (settings that I have removed with no effect) would be forced into my attempts to map a network drive? Ima lose my god damn mind!
FFS!!! Finally found the solution. Evidently the policy setting in 2k3 domain controllers requires SMB signing while member servers don't. This is why I could stream from my regular server and not my domain controller. Resco explorer's FAQ of all things had the answer and the solution if anyone needs it.
Resco said:
Windows CE networking is not able to map the drives from the servers using SMB signing.
This can be solved by changing the following setting in the Domain Controller Security Policy under Local Policies --> Security Options
Microsoft Network Server: Digitally sign communications (always): Disabled
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Android IM Client Help

Hello,
I was working on adding some additional functionality to the IM client I got from here code.google.com/p/simple-android-instant-messaging-application/. Can anyone help me out with the issues I am facing?
Note: I am using emulator and not the original phone
Issue #1
I cannot connect to Google chat to retrieve the contact list or begin chat. Same issue is with yahoo and other clients. I tried using simple IM but the issue is that It says cannot establish a secure connection. I tried out HTTPS sites in my browser and I cannot access them. I can only access normal sites. I am behind a proxy and I have set the proxy in the phone settings. Only normal sites are accessible.
Any help?

WLAN :: Browser authentication trouble

Hey guys,
At my school the students have access to an open WiFi network. The internet connection is routed through a local proxy, and when we first open the web browser we are presented with an authentication page where we input username and password. Using Firefox, Chrome, or any other browser on a regular computer, this works just fine.
On my Hero however, something prevents it from working correctly. I get the authentication screen, input my username and password, I click Login, but from here nothing seems to work.
The proxy spits out a message saying something like "authentication successful, logging you on to the network", but then it says something about a DNS timeout, and that I have to restart my browser to gain internet access.
Obviously, that doesn't work. I tried once to load google.com, using its IP and it worked I think (given that the browser didn't load it from the cache). I guess the problem somehow relates to the way Android handles DNS.
My Hero is not rooted, and for various reasons I'm not planning to do it either. Running latest official ROM.
Any assistance would be greatly appreciated, as IT on my school doesn't seem to actually know anything about the authentication process.
I also have problem with secure login but in my case I can't load the securelogin page where I need to enter the user name and password.
Non android phone don't see this problem and also I don't have this problem with my android at my home with open WIFI.
I am using HTC Hero G3 with official android 1.5.
Hi, has anyone been able to make this work?
I'm also having the same experience but with my x10mp.
the browser login page is not displaying so i'm unable to use the wifi.
shameless self bump.
i have already tried 2 apps (Open Wifi Login and Browser Wifi Login) that should have solved this but did not.
can anybody help with this issue?

Browser Security Issue

Hello,
Problem concerns one of the biggest polish banks (www.mbank.pl) and its internet transaction system.
Usually when you I am logging to the system it is encrypted connection (small padlock visible), and site address is http://www.mbank.com.pl - and this is standard situation.
2G/3G - Default Browser
Now when I am trying to log in using default 2.2 Nexus browser there is no small padlock visible and site address is: http://10.158.226.75/www.mbank.com.pl
I can typy in credentials but when hit LOGIN I receive information that my browser does not accept cookies (cookies are enabled).
2G/3G - Delphin Browser
Same issue as on Default Browser
WiFi - Default Browser
Everything works fine.
2G/3G - Skyfire Browser
Everything works fine.
Most suspicious from my perspective is this IP address http://10.158.226.75....its like he can not use secured connection...but only on 2G/3G?
EDIT:
Now I discovered that putting https://www.mbank.com.pl solve the issue....
What could be the reason of such behaviour?
You have just possibly fallen a victim of "phishing" - a site trying to disguise itself as another site. This is not about browser, but about the site itself.
I've tried to trace 10.158.226.75, but it's not visible - so I guess it might be a proxy of your cellular data provider. But it might be something worse.
1) Just in case, please change your password for the banking site, and never write your credentials when you see that the address is different from what you've expected.
2) Try to use trace route sites from the phone to understand, what is this IP and whom does it belong to.
If there is a padlock - you're using HTTPS, not HTTP. Always, without exceptions. You might just be automatically forwarded to HTTPS site.
[edit] Checked things a bit. The site is www.mbank.pl, not www.mbank.com.pl - and it's not secure. When pressing "Log in", you get to https://www.mbank.com.pl, and it's secure. Put attention - HTTPS, not HTTP.
And lastly, it doesn't have anything to do with browser security.
Could be a proxy provided by your network provider as it only occurs when using 3G.
Thanks Jack for the answer.
To be honest I dont think its phishing but just in case I will change the password.
I think there is something wrong with the link between http://www.mbank.pl/ and https://www.mbank.com.pl/ (link is under LOG ON button).
When I am trying to open https://www.mbank.com.pl/ using LOG ON button I open http://10.158.226.75/www.mbank.com.pl (please note it is not secured). Its like browser automatically does not accept some certificate or something.
However when I open https://www.mbank.com.pl/ directly (typing in address) it works fine and I can login to the system.
Most suspicious is that on the WiFi it works just fine....
brachson said:
Most suspicious is that on the WiFi it works just fine....
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That's the reason I supposed that it might have something to do with your cellular data provider.

Nexus 7's Chrome will not redirect for Wifi Authentication

The wifi at my university either prompts devices for a log in or redirects the browser to a log in page to fully access the wifi. I cannot for the life of me, get my nexus 7 to fully connect. No prompts and chrome will not redirect. Any help would be appreciated!!
Typically on my laptop or other tablets in my University, whenever I connect to the Wi-Fi either a pop-up prompt appears where I can enter my log in info or I go on to my browser (also chrome) and enter a website liek facebook or yahoo and it will redirect to the University's Wifi page and I can log in from there.
My Nexus 7 doesn't have a pop-up prompt when I connect to the wifi nor does the Chrome redirect. Any tips?
That's weird. I connected to the harvard medical school network at where I work and when I tried going to a web page (espn), the redirect occurred and I could sign in. Don't know why it isn't working for you
bammarata89 said:
That's weird. I connected to the harvard medical school network at where I work and when I tried going to a web page (espn), the redirect occurred and I could sign in. Don't know why it isn't working for you
Click to expand...
Click to collapse
I have no idea why, I'm connected to Cornell Medical School wifi as well, and typically i'd have to type in my log in and my password when Chrome redirects me but it's not redirecting. It keeps saying This Webpage is Not Available because the DNS Look up failed."
I get an error on the bottom of Chrome stating: "Error 105 (net::ERR_NAME_NOT_RESOLVED): Unable to resole the server's DNS address."
Trying using Firefox to authenticate instead. Once you do Chrome will work fine (just not for the authentication part).
Quick idea:
At Eastern Washington University there's an open access AP and a secure AP. When you use open, you are redirected to a student sign on page.
When you use secure, there is no page redirect, as you login using some fancy WiFi security protocol with the same user/pass combo from open. (Tablet remembers network auth and auto-reconnects when in range with no redirects) Maybe just check to see if you have that available?
Also, try forgetting/disconnecting from your network so it doesn't reconnect; then manually reconnect to it. This would hopefully flush any DNS configuration your tablet may have erroneously stored.
Sent from my Nexus 7 using xda premium
xfinrodx said:
Quick idea:
At Eastern Washington University there's an open access AP and a secure AP. When you use open, you are redirected to a student sign on page.
When you use secure, there is no page redirect, as you login using some fancy WiFi security protocol with the same user/pass combo from open. (Tablet remembers network auth and auto-reconnects when in range with no redirects) Maybe just check to see if you have that available?
Also, try forgetting/disconnecting from your network so it doesn't reconnect; then manually reconnect to it. This would hopefully flush any DNS configuration your tablet may have erroneously stored.
Sent from my Nexus 7 using xda premium
Click to expand...
Click to collapse
Thanks everyone, for suggesting the use of other browsers such as Opera to help me redirect. However, I downloaded Opera and Dolphin browser (couldn't find Firefox for some reason) and both of them will not redirect me to the log in page. But my iPhone is able to connect. Any tips? Any help would be appreciated!! (Sorry this is my first Android device)
Can someone please solve this issue? Or at least give an explanation why the nexus 7 has issues with certain open networks?
If you're going to an encrypted (https) page, you won't redirect. Try going to www.google.com instead of your homepage (gmail can be set to https).
Its not encrypted. Just a standard login. I really have no clue what is going on. I tried setting a static IP and using google's DNS as well as open DNS which helped a bit (I occasionally get th elogin screen now, but it doesn't do anything for me).
Has anyone ever solved this issue?
Mine redirects just fine. I have to select the network in the WiFi settings, and then open the browser, though.
Sent from my Nexus 7 using xda premium
Sunburn74 said:
Its not encrypted. Just a standard login. I really have no clue what is going on. I tried setting a static IP and using google's DNS as well as open DNS which helped a bit (I occasionally get th elogin screen now, but it doesn't do anything for me).
Has anyone ever solved this issue?
Click to expand...
Click to collapse
Not sure from your answer if you understood me. If the page you're trying to get redirected FROM is HTTPS, it won't redirect. Navigate to google.com and see if you redirect (since that's never https).
That page is not https. It is standard HTTP.
Before I wouldn't even get that page. Now I reliably get that page (the authentication/acceptance of policy page) since I changed the DNS settings for open DNS (another site recommended using google's DNS or using open DNS). However after I hit accept, it doesn't do anything and just times out after 5 mins or so.
This should work
idk if I'm late in answering this but next time you log in from any device look for the router number and type that in the web browser on the device it isn't connecting on and that should redirect you
Is there any hope? Android is just impossible when it comes to wifi. Sometimes it brings up the login page. But if it doesn't bring up the login page, you will never get connected.
Here's a sample experience.
I'm at a coffee shop trying to connect my oneplus one, which has cyanogen12.0-yng1tas17l
Some things I tried: I opened wpa_supplicant.conf with a text editor and deleted this coffee shop's network. I tried to connect using the app "wifi browser login." I went to settings--modify network--advanced options--ip settings to find the gateway, ip address and dns of the coffee shop, and tried typing them into the browser. Nothing works.
This failure to load the login page is a problem that affects android in general, not just the oneplus one or cyanogen. I have problems with the nexus 7 sometimes too. I've been searching for a solution for years. The silence is deafening.

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