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Questions tagged [captive-portal]

WiFi APs requiring a website based login (exclamation mark on the WiFi symbol in the notification bar)

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2 votes
0 answers
299 views

Auto-fill on WiFi Captive Portal

Is there a way to auto-fill the username/password when connecting to a Wifi's Captive Portal? If possible, I would like a method that does not require root access. The portal opens with the system's ...
andreasathan's user avatar
0 votes
0 answers
2k views

How to Run Captive Portal Server on Android Device using Hotspot SoftAp and DHCP options

Goal: I want to run a web server that provides a Captive portal service on an Android Device, using the native Android Soft AP/Hotspot, Termux, NodeJs, and the "new" way to detect captive ...
Diego Meza's user avatar
1 vote
1 answer
1k views

Tap here to sign in to network

Asus ROG 2 Phone 17.0240.2009.49 Not Rooted Happens All the time Wifi Connection in my home Ever since updating to 17.0240.2009.49, my phone has been listing one of my wifi connections as "...
Da Hai Zhu's user avatar
0 votes
1 answer
2k views

Why am I getting an SSL error on my captive portal?

I setup a captive portal on a wireless access point. If I use a laptop to connect to it, the laptop pops up a browser telling me to login to the captive portal. I can open any browser on the laptop (...
John's user avatar
  • 111
2 votes
1 answer
792 views

How to avoid WiFi disconnection if Google cannot be pinged?

Say I have blocked google and the sorts with my router. Now Android thinks that the wifi has no connection because it can't ping google and uses my mobile data instead although the WiFi is perfectly ...
julius's user avatar
  • 23
0 votes
1 answer
970 views

Why isn't my Galaxy S8 popping up my Captive Portal login page?

I'm dealing with a Raspberry Pi 3 that is using hostapd to create its own wireless network. When an Android client first connects to the network, it tries to grab the page http://connectivitycheck....
Tal's user avatar
  • 51
2 votes
3 answers
9k views

CaptivePortalLogin crashes every time I try to join a network

Every time I try to join an unencrypted wifi network that is protected by a web login (e.g. in a hotel), I get a popup message saying "Android System: Sign in to a Wi-Fi network ", I click on this ...
Dan's user avatar
  • 121
4 votes
1 answer
13k views

How to get the captive portal's URL which I am currently connected to?

I just connected to a WiFi network which uses captive portal login page. I would like to view the captive portal's URL or IP address. How do I do that? I have tried clicking forget network on the ...
Babken Vardanyan's user avatar
1 vote
0 answers
6k views

Cannot logon to a "captive portal" wi-fi network

I am unable to connect to any wi-fi networks that require a login through what I assume is captive portal. This worked fine for perhaps a year but has stopped working recently. I am running Android 8....
Roland Merrick's user avatar
2 votes
1 answer
197 views

Reliably accessing public Wi-Fi "Agreement" page on Android

This has probably been addressed elsewhere, but I can't find it, so I will risk the ire of the community by asking it here. When I connect to public Wi-Fi on my Android phone (version 6.0.1 at the ...
theglossy1's user avatar
12 votes
1 answer
18k views

Captive Portal parameters

There are several captive portal parameters one could apply to an Android device via settings put global – the most famous probably being settings put global captive_portal_detection_enabled 0 to ...
Izzy's user avatar
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0 votes
0 answers
774 views

Browsers crashing when trying to access captive portal (Wi-Fi log in page)

Recently I noticed that whenever I try to login to a captive portal Wi-Fi page, all of the browsers that I'm using crash. This happens before the page even finishes loading and consenquently I am ...
xavier_fakerat's user avatar
1 vote
1 answer
2k views

Remove auto-fill text from native captive portal app

I accidentally entered my password in the username field of the captive portal and that now comes up as an auto-fill suggestion for the username, which I would like to delete/reset. This does not open ...
Roney Michael's user avatar
1 vote
0 answers
755 views

Sign into wifi network notification not appearing (captive portal, nginx)

I'm using nginx to redirect all traffic to login.com (local server). And I want the sign into this wifi network message to appear. I searched for a long time and found out that android does a request ...
Dylan's user avatar
  • 11
0 votes
0 answers
5k views

How to disable captive portal login detection on Android M

I would like to know if it possible to disable the captive portal detection required by my WIFI HotsPot of my company. I found this question, the solution of which should remove the WIFI notification ...
dubis's user avatar
  • 223
0 votes
2 answers
1k views

Android does not detect a captive portal

I have an access point hosting a login page (which doesn't have actual internet access) and I'm using dnsmasq to answer all DNS requests with the IP address of this page. If an Android device connects,...
Awais Chishti's user avatar
7 votes
0 answers
6k views

Launch Browser from Android's Captive Portal Login

I've configured a Raspberry Pi as a Wifi hotspot and web server. What I'm trying to do is get the user's phone to automatically open a web browser when they connect to it. There is no Internet ...
brennanhm's user avatar
  • 171
0 votes
1 answer
1k views

Access the network without logging into the captive portal on Android?

I want to access the local network on a hotspot on my Android devie without logging in, but if i connect to it, i get the "Sign in to network" notification and the sign in site, but all my other ...
xdavidhu's user avatar
5 votes
2 answers
17k views

Captive Portal detection causing phones to disconnect from Wi-Fi in intranet environment

Hello Android Enthusiasts! I am the manager of an Internet Cafe on a cruise ship, and we're being plagued by a persistent problem that I can't quite solve. We have a wireless network throughout the ...
Jacki Murphy's user avatar
1 vote
1 answer
14k views

Can't connect to "Secured Network" via WiFi. Get stuck at a Lock screen

OS: OxygenOS version 2.2.0 Android version: 5.1.1 Phone Model: ONE 2005 [OnePlus 2] (Build number: One A2005_14_151211) When I connect to a Secured Wifi network that requires that I "Accept"...
Post-it Note's user avatar
30 votes
3 answers
196k views

How does WiFi in android detect if the device has to sign in or not?

When the device tries to connect to an access point or router, it has to sign in on the captive portal page with the message saying "Sign in to Wi-Fi network". How does the access point/router ...
Sagar Vaghela's user avatar
4 votes
0 answers
943 views

Automatic popup for captive portal

I have a working access point on a rspbi, works perfectly with my captive portal on ios and os x based machines. But android does not popup a captive portal, and I can see the requests for clients3....
Jentel's user avatar
  • 41
12 votes
3 answers
10k views

How to make a 'Captive Portal' on my mobile hotspot?

Some Wi-Fi networks such as those you find in coffee shops, when connected to, automatically redirect you to a web page where you will need to do something (enter credentials, accept terms of service, ...
CrossBones's user avatar
38 votes
3 answers
126k views

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in Lollipop?

When connected to the Internet, the system checks if it's in a walled garden, which is simply trying to connect to Google. If it fails, in Android 5, there'll be an exclamation mark on the WiFi icon ...
Qian's user avatar
  • 896
3 votes
2 answers
2k views

Stay connected to WiFi that requires sign-in

I recently upgraded my Samsung Galaxy S4 Mini to Kitkat (4.4.2), and I noticed a new behaviour that I'd like to disable: when I'm connected to a wifi network with a captive portal that requires sign-...
legoscia's user avatar
  • 131
1 vote
1 answer
4k views

Prevent browser automatically launched when join to open wifi

How to prevent browser to automatically launched when I join to a wifi network with captive portal? i.e. with note 3
vintry's user avatar
  • 111
8 votes
1 answer
3k views

What Android versions have captive wifi detection?

A captive Wi-Fi or captive portal being a Wi-Fi network that redirects all websites to a page, usually with a form to log in, enter a code, or accept some T&Cs. My samsung-nexus-10 can detect ...
Dan Hulme's user avatar
  • 35k
9 votes
4 answers
2k views

Any way to get Wi-Fi to auto-connect only to hotspots that don't require a captive portal sign-in?

Often, as I'm walking and using the internet, I'll walk by a Starbucks and my phone will auto-connect to attwifi (which is free, but requires that I open my browser and confirm). I lose internet ...
AlexeyMK's user avatar
  • 199