Questions tagged [captive-portal]

Captive Portal is a web page which is displayed to users when they are connected to a public-access network, based on which access is restricted to the network resources.

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12
votes
2answers
15k views

Captive portal popups: the definitive guide [closed]

I'm manually implementing a WiFi captive portal. I've got everything pretty much working BUT a single hitch: i want everyone to see their mobile OSs' (or computer OSs') captive portal popup for a ...
11
votes
2answers
13k views

Beginners questions on how RADIUS and WiFi authentication works

I am a network admin at a high school in South Africa, running on a Microsoft network. We have approximately 150 PCs around the campus, of which at least 130 are wired to the network. The remaining ...
8
votes
3answers
7k views

How do captive portal network connections work?

Internet access at hotels, airports cafes is often gated by a captive portal which forces you to a particular web page on first use, for example a payment page or some page to accept a terms of ...
8
votes
4answers
10k views

Inexpensive, Reliable Captive Portal [closed]

I do some wifi hotspot installations, and a new client recently asked me if it would be possible to force users to his website when they first open their browsers. After some Googling I figured out ...
6
votes
2answers
5k views

DNSMASQ config for captive portal

I am trying to create a captive portal wifi hotspot. Aim of the setup: Users connecting to hotspot through wlan0 should never be allowed to access the internet through eth1. For the "Sign into ...
5
votes
4answers
37k views

How to force the devices connected to the wireless router to open a web site hosted in a local webserver

Please I need some help on how to configure this. I have little bakery and would like to create a local webserver to host a digital menu. Customers would access it via wireless router from any device ...
4
votes
6answers
16k views

Free Wi-Fi hotspot management software for school

I'm working in a high school and I'd like to put in place a public Wi-Fi network with a captive portal that asks for authentication but also keeps track of user information, like the amount of data ...
4
votes
1answer
807 views

Running pfSense server after load balancer, dhcp?

I got the following situation: Two wan, load balanced by a hardware load balancing router Wifi network (can be up to twenty AP's) And I need the following: Need a captive portal where clients can ...
4
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0answers
642 views

Suggestions required on how to allow users access to WiFi Captive Portals when roaming

I have written a script that will turn the proxy settings off and back on again after an allotted period but you often need to open up Internet Options > Connections > LAN Settings and click OK for ...
3
votes
2answers
247 views

What is the minimum architecture required for per-user history logging and password protection on a small network?

I'd like to set up and administer a small network which would supply a captive portal where users type in a unique password and/or username to connect to the internet and to each others' computers, ...
3
votes
1answer
2k views

Do all captive portal solutions work the same way? (cookie, vs MAC address, vs other?)

While traveling and having to interact with a number of broken captive portal implementations I've overheard other passengers having usability issues with iPads, Phones, computers depending on the ...
2
votes
4answers
2k views

Gateway software for wifi hot spot

Im looking for a solutions to set-up free wifi hot spot, but not completely open - i want to give access to all customers via paper coupons/codes. Like, each code is valid for 3 hours of surfing ...
2
votes
0answers
282 views

Simple URL redirect after connecting to Wi-Fi Hotspot

This is not as trivial as it looks. What we have: VideoConferencing Terminal with ability to be an AP (Wi-Fi Hotspot) Centos 7 Intel Flavoured, pre-installed on that terminal Nginx with ...
2
votes
0answers
105 views

iPhone/ Android will not dismiss wifi landing page implemented with DNS [closed]

I am trying to implement a splash page/ wifi landing page on my existing public wifi network, using the DNS method mentioned in Wiki, in which I host a custom DNS server, that will redirect ALL dns ...
2
votes
0answers
801 views

Android not detecting captive portal on access point

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,...
2
votes
1answer
2k views

Captive portal detection by Apple Oses, iOS 'splash CNA popup' does not show?

I built a captive portal (Linux Debian router), providing a WifiHotspot based on hostapd and iptables rules ( like this: http://www.andybev.com/index.php/...
2
votes
0answers
2k views

Coovachilli Mac Authentication

I'm running coovachilli 1.2.5 and want to use mac authentication. I'm using --macauth --macreauth --macpasswd macpass in my command line. Based on tcpdump, and on my radius log, my MAC address is ...
2
votes
1answer
1k views

Local web application as a captive portal with out authentication?

We are in the final stages of developing an in-browser mobile app which will run in a non Internet-connected environment (on a submarine). We are running a server inside the submarine (Windows 8 ...
1
vote
3answers
2k views

Filter HTTPS content & enforce Captive Portal without MITM proxy

My church wants to start providing free WiFi to our guests, but with 2 requirements: Inappropriate content (such as Pornography and Warez) must be filtered out. The end-user must create an account ...
1
vote
1answer
570 views

Captive Portal for devices behind NAT: Is it possible?

A related question: Do all captive portal solutions work the same way? (cookie, vs MAC address, vs other?) I have been reading about Captive Portal at Wikipedia. This part generates a question: ...
1
vote
4answers
3k views

Allow users to access only a few websites [closed]

I want to block my network users to access most of the external websites. Some users may need access to Facebook (like the users from marketing department), while others may need access to banks ...
1
vote
2answers
11k views

Redirecting all WiFi requests to my server (like captive portal)

I'm actually trying to develop a public wireless network (not business, just for educational purposes, I am studying computer science...). But I am lacking the required knowledge to acheive this goal (...
1
vote
1answer
215 views

Public network must provide notification for sign-in after connection

I noticed that some public networks require sign-in after connection, aka Captive Portal. I am implementing my own Captive Portal, and my clients (mostly mobile devices) need to know that my public ...
1
vote
1answer
671 views

Set up a wifi network homepage just changing the router settings

I have a Netgear Aircard router with the usual configuration options (port forwarding, DMZ, port filters,...). I am using this network to provide wireless Internet access to the customers of my ...
1
vote
2answers
3k views

pfSense Captive Portal on Bridge

Is it possible to configure pfSense in such a way that it acts as a bridge between two Ethernet interfaces, and has captive portal functionality? I want to use the captive portal package, but don't ...
1
vote
1answer
111 views

set up re-direct for lan clients to local t&c page

I'm trying to set up something on my network so that when users connect and try and use the internet they are re-directed to a locally-hosted terms and conditions and policy page. Once they click "...
1
vote
1answer
258 views

can pfSense captive portal grant internet access to IP which is assigned by Windows DHCP server only?

In our organization we have a wifi access point and IP addresses are assigned by a Windows DHCP server. We have MAC filtering enabled for internet access in the DHCP server but the issue is that if ...
1
vote
1answer
1k views

How does the captive portal redirect work behind the scenes

As a project I am building my own captive portal web pages for "unauthenticated" users. Those are users that have not hit a button on my captive portal page. I want this to be out of band (like a ...
1
vote
1answer
403 views

captive billing portal?

For a while now, I've been looking at how we deal with customers that have not paid their bill. At the moment, after several gentle email reminders being sent to an email address that the customers ...
1
vote
0answers
19 views

Trigger agreement page automatically when connecting to Captive Portal [duplicate]

I have a WiFi hotspot setup using Hostapd and Dnsmasq. Everything works great, but I'm trying to trigger the sort of Terms and Conditions page you might see at a hotel or coffee shop after you connect ...
1
vote
1answer
356 views

Windows Server - redirect all DNS lookups to a specific address

This is using Windows Server 2016, Linux is not an option in this case. I need to set up something like a captive portal but much simpler. I have a Windows Server machine set up to advertise a WiFi ...
1
vote
1answer
560 views

pfSense Captive Portal on devices that cannot use login page(STBs, etc.)

I am using captive portal with pfSense on a network in order to filter content and monitor bandwidth, etc. This has worked great with computers and mobile devices in the office as everyone has been ...
1
vote
0answers
712 views

No traffic except DNS on Nodogsplash on OpenWRT on TL-MR3020

I'm trying to create a captive portal on TL-MR3020 using OpenWRT (BARRIER BREAKER (14.07, r42625)) and Nodogsplash. I increased the storage with ExtRoot. Here are my config files : /etc/config/dhcp ...
1
vote
0answers
172 views

Captive portal with chillispot without DNS

I'm trying to set up a captive portal in openWRT using chillispot. My goal is to have an open network and display a static html with information without internet connection at all and without any ...
1
vote
0answers
3k views

pfsense Captive Portal redirect to <ip>:8000/$PORTAL_ACTION$

Something is wrong when I try to replace the portal login page with a customized one. After the sign in button is clicked, I was redirected to: (server IP):8000/$PORTAL_ACTION$. What is this $...
1
vote
0answers
304 views

Running a VPN server and a captive portal on the same machine with a DNS too

I don't know if this can be done but I'm asking anyways. Let's say that I've an Ubuntu machine with OpenSwan and xl2ptd to handle incoming VPN connections. Now, what I need to do is something like ...
1
vote
1answer
197 views

Redirect users to internal webpage on first visit

I have a lan of maybe 20 - 30 computers, and a Windows server 2003 server on hand (I can also run any x86 Linux distro). What I am trying to do, is to redirect users to a webserver inside the LAN the ...
1
vote
2answers
2k views

“Content Injection” using my Squid Proxy (pfSense). Is this possible?

In my pfsense box, I'm using Captive Portal (connected to RADIUS MS AD) and Squid setup as Transparent Proxy. I would like to know if it is possible for me to maybe "inject" a small HTML DIV on the ...
0
votes
1answer
1k views

iptables: Whitelist a specific URL and not just the domain

How would I whitelist a specific URL with iptables? Currently all requests are blocked. IE: http://www.apple.com/library/test/success.html I need to whitelist just this URL so that my captive portal ...
0
votes
2answers
428 views

Captive portal with video login in wi-fi network

I would like to know if it's possible to make a captive portal which makes you watch a video for x seconds instead of a login. All the routers I've seen which support captive portals, just have the ...
0
votes
1answer
1k views

Captive portal and SSL

I think similar questions have already been asked over and over, but my question is slightly different. I understand I can't redirect HTTPS traffic to the Captive Portal landing page without causing ...
0
votes
3answers
445 views

Ideally, how should HSTS / SSL Everywhere / Let's encrypt work with captive Wifi portals?

Some captive Wifi portals require the ability to 301/302 redirect a user to an authentication / terms of service page before permitting access to the Internet. This is at odds with SSL, which can't ...
0
votes
3answers
2k views

DNS server redirect users on first visit

I am looking for a DNS level solution, that redirects a user to a specific IP on the first visit, than directs them to the correct IP on subsequent visits. So the idea is, for example, if a user ...
0
votes
1answer
93 views

dnsmasq: Block manipulated dns responses pointing at captive portal site

After setting up a raspberry pi based router (behind two other routers) using debian stretch, iptables, dnsmasq and hostapd, I have come to learn a seemingly endless amount of interesting options that ...
0
votes
1answer
274 views

software based captive portal for wide area [closed]

I'm trying to organise some wide wifi network imagine a small town with several wifi points when user is connected to a wifi point, device is redirected to captive-portal(cp) website where they must ...
0
votes
1answer
635 views

WIFI URL redirection

Is there some generic solution for redirecting hotspot users to some page before they get to their requested page? No need for authorization,billing or any other captive portal capabilities. I'm ...
0
votes
1answer
3k views

What is the simplest way to deploy a Captive Portal?

How do I setup in the simplest of ways a Captive Portal? One that is possible on a setup of 1 wireless router and 2 computers. No billing, only authentication. Also, is it possible to do with Mac OS ...
0
votes
1answer
2k views

Captive portal with voucher support [closed]

Can someone recommend an open source captive portal that can run on a Linux machine(not wifi routers) with voucher support? I know wifidog can be configured to use username and password ...
0
votes
2answers
960 views

Is there a open source captive portal with category based content filtering available?

I was thinking about deploying pfSense but then I realized there isn't a solid content filtering option with it. I know there are some squid addons but they seem cumbersome and not fully matured. ...
0
votes
4answers
1k views

Web filtering/Captive portal solution

I've been asked to setup access control/filtering on a network that has it's own address block (a /24). This is for students who will be connecting to the wireless network. Requirements are as follows....