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[Q] Connection Problem: "authentication via the proxy server was unsuccessful"

[Q] Connection Problem: "authentication via the proxy server was unsuccessful"
Hey there,
Whoever can solve this would most likely help many others out there.
I tried looking this up on google and on XDA, but there is no solution so far besides doing a factory reset.
I have been having a problem with my data network since yesterday, it doesn't connect to the internet at all. The LTE/4G sign is visible when I turn it on though, but none of the apps are able to connect.
WIFI works like usual, and that is the only way I can connect online with my phone at the moment.
There were some who said that the app "PDAnet" was the problem, and that you can reset the proxy settings, however, this option is only available for tablet versions.
I have:
A Galaxy Note i717 (with Telus)
[ROM/MOD][The Collective] Seraphim - First Flight - ICS
Kernel version: 3.0.8-perf-I717UCLC5-CL281649 [email protected] #1
Any help would be very much appreciated, thanks.

Hm, internet seems to be working now.
All I did was wait, later through the day my phone was able to detect the data connection. There were no setting changes or anything, I just left my phone, made phone calls, send/receive texts; and all of the sudden, it worked.
For those who have a similar problem, I'm sorry that there is no quick solution as of now, but it seems like the network would eventually fix itself.
I hope that there are other solutions out there, if you happen to know any, please don't shy away from sharing.

Hi,
My friend and I have the same problem, both of us have the i717 running dagr8's ICS_CLC5_Alpha2 ROM. Everything was working perfectly until Thursday morning, everything looks like it should work, but it doesn't.
Telus wasn't able to help outside of being able to tell me that when they notice my phone register to the network, it only registers to voice and not data.
Luckily we keep nandroid backups of every ROM we run, and we found that the only ROM that worked perfectly was the stock ROM (no custom ROM GB or ICS worked). However, we did find that the Mozilla Nightly (or Aurora in my case) was able to access the internet on the ROMs that didn't work. My next step is to get Telus back on the line and have them check what they see when the Mozilla browser accesses the internet.
My buddy also ran a logcat, and found that the phone reported some problems while attempting to connect to the data network. I don't have the log, I'll see if I can get him to post it later.
I'm glad your connection is up and running, and it looks like my buddy's connection is working as of this morning, so hopefully mine will be back up shortly.

The fix is to clear the proxy entries under the Telus APN, did that this morning, and data has been working since then.

finaly thank u
themudfly said:
The fix is to clear the proxy entries under the Telus APN, did that this morning, and data has been working since then.
Click to expand...
Click to collapse
It worked and u don't have to do any thing hard it's just resting it

themudfly said:
The fix is to clear the proxy entries under the Telus APN, did that this morning, and data has been working since then.
Click to expand...
Click to collapse
Thank you, it works

themudfly said:
The fix is to clear the proxy entries under the Telus APN, did that this morning, and data has been working since then.
Click to expand...
Click to collapse
how to that, I'm new plz help! :/

proxy
JiraffeLeung said:
Hey there,
Whoever can solve this would most likely help many others out there.
I tried looking this up on google and on XDA, but there is no solution so far besides doing a factory reset.
I have been having a problem with my data network since yesterday, it doesn't connect to the internet at all. The LTE/4G sign is visible when I turn it on though, but none of the apps are able to connect.
WIFI works like usual, and that is the only way I can connect online with my phone at the moment.
There were some who said that the app "PDAnet" was the problem, and that you can reset the proxy settings, however, this option is only available for tablet versions.
I have:
A Galaxy Note i717 (with Telus)
[ROM/MOD][The Collective] Seraphim - First Flight - ICS
Kernel version: 3.0.8-perf-I717UCLC5-CL281649 [email protected] #1
Any help would be very much appreciated, thanks.
Click to expand...
Click to collapse
hi i am facing same problem with my android mobile intex aqua i5
can anyone help plzzzzzzzzz

themudfly said:
The fix is to clear the proxy entries under the Telus APN, did that this morning, and data has been working since then.
Click to expand...
Click to collapse
Thanks it worked. Really helpfull
:good:

wifi problem

hello every one
i have issue with my g3 wifi problem is in my wifi signal is full but when i want t o connect with facebook or download data for any game just loading and nothing happen and sometimes said losy connection i tried *#0011# and nothing happen but also wifi work great when download something from market or in browser
sorry for my bad english ><
thanks for all

Try to ensure that you are using the 2.4GHz channel for WiFi, if your router has that and 5GHz.
If you can pair with your router using the WPS button method instead of typing in the security key on your phone, I've found that was more foolproof in getting the phone properly authenticated with the router for network access.
- ooofest

ooofest said:
Try to ensure that you are using the 2.4GHz channel for WiFi, if your router has that and 5GHz.
If you can pair with your router using the WPS button method instead of typing in the security key on your phone, I've found that was more foolproof in getting the phone properly authenticated with the router for network access.
- ooofest
Click to expand...
Click to collapse
how i can sure about that i dont know how my router 3com
thanks

ramez010 said:
how i can sure about that i dont know how my router 3com
thanks
Click to expand...
Click to collapse
Maybe share your router's model number and we can find an online manual.
- ooofest

is this a issue on aosp?

ooofest said:
Maybe share your router's model number and we can find an online manual.
- ooofest
Click to expand...
Click to collapse
router model ( 3Com ADSL Wireless 11g Firewall Router Version 1.00.00 )
btw router is working reat on my brother phone and laptop

ramez010 said:
router model ( 3Com ADSL Wireless 11g Firewall Router Version 1.00.00 )
btw router is working reat on my brother phone and laptop
Click to expand...
Click to collapse
Is this your router?
http://www.speedguide.net/routers/3com-oc-adsl-11g-3com-officeconnect-adsl-wireless-81
Also, when you connect your phone via WiFi to this router:
1. There are no network problems downloading with a web browser or the Play store
but
2. the WiFi network does not seem to work when an app wants to download data?
The Play store is also an app, so that is why I am asking for clarification of the error symptoms.
Are you running the "stock" operating system, or have you rooted+unlocked the phone to run a custom ROM?
- ooofest

This "ghost wifi" issue as I call it is happening on some devices/roms. I was on synergy r73 for quite a while and would have this issue, fully connected, no data transfer. Toggling on then off would repair it temporarily, but sometimes when trying to toggle, the toggle would just hang for about 15 seconds before shutting it off. Others have reported this too, your not alone. I am currently running Jellybomb which is based off of vrlg7, where as Synergy r73 is based on vrlg1 and I am no longer having the issue. It is possible that this is an issue with the baseband and not the rom as originally thought. You could odin to stock, take the ota and then try the whole thing over again and see if that works, or just flash a rom based on a more current baseband, not just flashing a radio. Again, I have no idea what the issue is, myself and others that were discussing it a ways back never had a clear answer to the issue, but so far what I just explained has worked for me so far.

ooofest said:
Is this your router?
http://www.speedguide.net/routers/3com-oc-adsl-11g-3com-officeconnect-adsl-wireless-81
Also, when you connect your phone via WiFi to this router:
1. There are no network problems downloading with a web browser or the Play store
but
2. the WiFi network does not seem to work when an app wants to download data?
The Play store is also an app, so that is why I am asking for clarification of the error symptoms.
Are you running the "stock" operating system, or have you rooted+unlocked the phone to run a custom ROM?
- ooofest
Click to expand...
Click to collapse
u r right this my problem , i using stock operating system

annoyingduck said:
This "ghost wifi" issue as I call it is happening on some devices/roms. I was on synergy r73 for quite a while and would have this issue, fully connected, no data transfer. Toggling on then off would repair it temporarily, but sometimes when trying to toggle, the toggle would just hang for about 15 seconds before shutting it off. Others have reported this too, your not alone. I am currently running Jellybomb which is based off of vrlg7, where as Synergy r73 is based on vrlg1 and I am no longer having the issue. It is possible that this is an issue with the baseband and not the rom as originally thought. You could odin to stock, take the ota and then try the whole thing over again and see if that works, or just flash a rom based on a more current baseband, not just flashing a radio. Again, I have no idea what the issue is, myself and others that were discussing it a ways back never had a clear answer to the issue, but so far what I just explained has worked for me so far.
Click to expand...
Click to collapse
thnaks you for answer
but i am new with galaxy s3 my old phone was sensation XE from HTC how to take my stock rom and flash it again ?

Nexus 5 WiFi 802.1X EAP (PEAP+MSCHAPv2) Not connecting

I've been trying to connect to my college's wifi for the past 30 minutes and I still can't seem to get it to connect. I copied the settings straight from my Nexus 7 that is running 4.2.2. I might install a custom kernel right now and see if it alleviates this problem.

Does ist?

Nexus 5 android L factory image same issue, i tryed with every version of the preview and official image and doesn't work.
With kitkat work perfectly and custom kernel don't solve the issue

I flashed yesterday the official build and it doesn't connect to a network like the one you described. I guess they need to fix some things, this is not acceptable.

I have the same problem on Android 5 on my Nexus 9. But my Nexus 5 (upgraded from KitKat, not freshly installed) connects fine to our work WiFi (PEAP).

Really? Wow, but i cant believe that nobody had the same issue while preview.
Do you have the MASCHAPv2 Authentifiaction?

Cum said:
Really? Wow, but i cant believe that nobody had the same issue while preview.
Do you have the MASCHAPv2 Authentifiaction?
Click to expand...
Click to collapse
Hello guys,
I can confirm this has been happening since the "preview version" on the Nexus5, we've the same configuration (PEAP+MSCHAPv2) and we've the same issue with our wireless network with these devices.

But why doesnt google know it?

Cum said:
But why doesnt google know it?
Click to expand...
Click to collapse
Just found it in the issue tracker. It was reported 3 days ago.
https://code.google.com/p/android/issues/detail?id=79045
---------- Post added at 12:39 PM ---------- Previous post was at 12:21 PM ----------
mlecuona said:
Just found it in the issue tracker. It was reported 3 days ago.
https://code.google.com/p/android/issues/detail?id=79045
Click to expand...
Click to collapse
Seems to be in multiple trackers:
https://code.google.com/p/android-developer-preview/issues/detail?id=1548
https://code.google.com/p/android/issues/detail?id=78702

I posted that logcat with my friend

I've tried to configure our Wireless LAN Controller with WPA2 EAP-TLS+CCMP support and this configuration it's working well for our Nexus 5 devices. I don't know if you could configure your wireless network with this encryption support but you should consider it.

I know nothing of these wifi protocols but what I noticed is I cannot connect to networks with secondary login on a Web page.
I am freaking out... All networks at work are like that and cannot connect to any.
This started happening yesterday after flashing the 5.0 image.

Steve.99 said:
I know nothing of these wifi protocols but what I noticed is I cannot connect to networks with secondary login on a Web page.
I am freaking out... All networks at work are like that and cannot connect to any.
This started happening yesterday after flashing the 5.0 image.
Click to expand...
Click to collapse
Hello Steve,
That's the same issue that was affected to me until that I tried to use WPA2 Enterprise with EAP-TLS+CCMP encryption for our Nexus 5 devices with Android 5.0. Would you be so kind as tell me about your wireless access point model and manufacturer? I could try to explain how you can configure your network in order to resolve this issue or at least say if this configuration is possible with your wireless access points.
Regards

freeumind said:
Hello Steve,
That's the same issue that was affected to me until that I tried to use WPA2 Enterprise with EAP-TLS+CCMP encryption for our Nexus 5 devices with Android 5.0. Would you be so kind as tell me about your wireless access point model and manufacturer? I could try to explain how you can configure your network in order to resolve this issue or at least say if this configuration is possible with your wireless access points.
Regards
Click to expand...
Click to collapse
Will get all the info I can but I am working night shift so it will be hard to get info. Access points are all like 30 feet high so I cannot just take a look. What I know it's a Bell Canada network if this is any help.
One thing is sure is that the network will not be reconfigured for me to access it. I will need to adapt to the network. All was fine on 4.4.4.

Steve.99 said:
Will get all the info I can but I am working night shift so it will be hard to get info. Access points are all like 30 feet high so I cannot just take a look. What I know it's a Bell Canada network if this is any help.
One thing is sure is that the network will not be reconfigured for me to access it. I will need to adapt to the network. All was fine on 4.4.4.
Click to expand...
Click to collapse
I understand your situation but the PEAP-MSCHAPv2 is broken now with Android 5.0. I think that your unique option if you don't want to change nothing in your wireless access point infrastructure, is perform a downgrade to 4.4.4. This is obvious, I know.
Anyway you should consider to study change your wireless security to EAP-TLS+CCMP in order to avoid some issues inherent of MSCHAPv2 protocol related to some protocol vulnerabilities that could permit to attack your wireless network with a brute force attack.
I'm not familiar with Bell canada Network but it's possible that you have a wireless lan controller in order to centralize your wireless lan management, probably that wireless lan controller have information about your access points.

That seems to be the problem.
mbirth said:
I have the same problem on Android 5 on my Nexus 9. But my Nexus 5 (upgraded from KitKat, not freshly installed) connects fine to our work WiFi (PEAP).
Click to expand...
Click to collapse
Yeah... I can confirm that these issues are only with FLASHING factory images. I tried that and it didn't connect to my work wifi (CISCO routers). But my friend did OTA update. Its working fine for him.
I think there is some problem with factory images. Going back to 4.4.4 for now, and will do OTA.

I tried following:
Flash 4.4.4 Factory Image.
Wipe Data and Cache.
Sideload OTA 5.0.
Wipe Data and Cache.
But I cant connect to eduroam WiFi. MASCHAPV2/PEAP.

kvin11 said:
Yeah... I can confirm that these issues are only with FLASHING factory images. I tried that and it didn't connect to my work wifi (CISCO routers). But my friend did OTA update. Its working fine for him.
I think there is some problem with factory images. Going back to 4.4.4 for now, and will do OTA.
Click to expand...
Click to collapse
I actually flashed the factory image. But without wiping everything aka. dirty flash. Connecting to the WiFi at work still works great.

mbirth said:
I actually flashed the factory image. But without wiping everything aka. dirty flash. Connecting to the WiFi at work still works great.
Click to expand...
Click to collapse
that may be the problem. i completely wiped the system. and its not working for me. dirty flash is more like OTA right? but manual, may be that previous settings are making it to work. when completely wiped.. its not able to connect.

Remove "pmf=1" from /data/misc/wifi/wpa_supplicant.conf and reboot, wifi works. Root required.

G955FD Hotspot not working

Anyone else having issues with hotspot not supplying internet to other devices. I've installed a custom rom just to see if the issue resolved, but it's still the same.

No problems on my G955FD

xtzee said:
Anyone else having issues with hotspot not supplying internet to other devices. I've installed a custom rom just to see if the issue resolved, but it's still the same.
Click to expand...
Click to collapse
When you say not supplying internet to other devices, do you mean the hotspot doesn't show up at all on other devices, or it just doesn't work?

murtaza02 said:
When you say not supplying internet to other devices, do you mean the hotspot doesn't show up at all on other devices, or it just doesn't work?
Click to expand...
Click to collapse
I am connected to the wifi hotspot with my Mi Mix and my 6P, but there is no internet connection. I was able to transfer files and I even tried a static ip.

xtzee said:
I am connected to the wifi hotspot with my Mi Mix and my 6P, but there is no internet connection. I was able to transfer files and I even tried a static ip.
Click to expand...
Click to collapse
You sure your operator allows WiFi hotspots/tethering?
Do you have a carrier branded ROM or a generic one?

murtaza02 said:
You sure your operator allows WiFi hotspots/tethering?
Do you have a carrier branded ROM or a generic one?
Click to expand...
Click to collapse
Generic. I bought it unlocked.
They dont block here. It worked for awhile when I got the phone. Then it stopped working.

xtzee said:
Generic. I bought it unlocked.
Click to expand...
Click to collapse
Settings > General Management > Reset > Reset Network Settings
Go back to the Configure Mobile Hotspot window, type a random SSID (not AndroidAP), make sure the security is WPA2-PSK and try broadcasting with both 2.4 and 5GHz radios.
Let me know if it works.

Already tried that too. What I did notice was that the 5ghz option i see mentioned on a few forums, is missing. It only allows 2.4ghz.

xtzee said:
Already tried that too. What I did notice was that the 5ghz option i see mentioned on a few forums, is missing. It only allows 2.4ghz.
Click to expand...
Click to collapse
Was missing for me a few weeks back and now suddenly it's appeared.

Hotspotnot working because of allowed devices
Hi, I had the same issue- devices would see my S8+ wifi hotspot, connect to it and disconnect- very frustrating... then after various attempts I noticed in the configure hotspot menu (the 3 vertical dots in the upper right corner) "allowed devices", went there, saw it was on, but without any allowed devices. Turned "Allowed devices only" off, now all works.
I swear I never went in that menu before, so it was set this way by default...

Mobile network internet access stopped working

Yesterday was like any other day, I took the bus to work and enabled mobile hotspot on my Oneplus 6 so I could do some work. On my way home in the afternoon, I did the same thing. This time however, I had exclemation marks on the mobile network symbol in the statusbar. Tried enabling hotspot anyway but there was network. Rebooted the phone but still the same issue. Oh well, I thought it was just my carrier then. When I came home to my wifi, I checked my carriers status information on their websites and there was no disturbances. Then I restored a backup which failed and I had to reflash the phone entirely with the latest pie zip. Today, I still don't have any network on my sims. I use two sims but they are using the same carrier. I also asked around my friends which has the same carrier and they have network...
I would understand if something might have happened when I reflashed the phone last night but that does not explain the sudden malfunction of the network on my bus ride home, the phone had worked flawlessly for a whole week.
This thread seem to be about the same thing and I tried the solutions regarding clearing caches and settings but it did not work:
https://forums.oneplus.com/threads/...ot-working-but-network-bars-are-there.844978/
Could it be something with the IMEI number? But it doesn't explain why it stopped working out of the blue. I can see both my IMEI numbers in the settings and I have also tried install Magisk 17.2 beta as suggested by another user. I think I still have a backup of the modem on my pc. However this is from when the network still worked and then suddenly stopped working.
TLDR: I have full reception, Calls and SMS work, there is just no Internet connection.

Just to be sure, datasave is turned off?

whizeguy said:
Just to be sure, datasave is turned off?
Click to expand...
Click to collapse
Yep, that is off. I have also reset my APN setting and double checked them with my provider, it didn't help.

No hotspot
I'm having a similar issue, I updated to android p stable and since then I can't use hotspot. It turns on fine and says devices connected but internet doesn't work on the connected devices. This seems to be an issue with Android P because my gf also has the op6 and I tried hotspot on hers before updating and it worked fine, then updated and it stopped working for her too. I have also tried clearing cache and manually entering the APN. I need to be able to tether to my laptop and tablet for work so anyone solution to this problem would be highly appreciated.
Thanks.

ShuraEx said:
I'm having a similar issue, I updated to android p stable and since then I can't use hotspot. It turns on fine and says devices connected but internet doesn't work on the connected devices. This seems to be an issue with Android P because my gf also has the op6 and I tried hotspot on hers before updating and it worked fine, then updated and it stopped working for her too. I have also tried clearing cache and manually entering the APN. I need to be able to tether to my laptop and tablet for work so anyone solution to this problem would be highly appreciated.
Thanks.
Click to expand...
Click to collapse
Although the problem I decribed in this thread isn't the hotspot problem, it was caused by my carrier. But I also have issues with hotspot, my laptop has trouble finding the wifi from the phone.