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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expose local nginx to wifi clients on connect

I have a router that I configered it's primary DNS to unbound (docker container) Also have nginx container accessible from the router as a reverse proxy for some local catalog servers, company.lan - ...
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Captive Portal Redirection with Bridged VLAN Setup

Background I have configured OpenWRT in the Bridge Mode. I push the packets from L2 to L3 using net.bridge.bridge-nf-call-iptables=1 Untagged Packets Scenario In the case of untagged packets, this ...
-1 votes
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Persistent storage in captive portals or mobile internet while wifi connection without internet

I have a little problem here: I want to create a WiFi network, which does not provide internet access. The WiFi network should only serve one website to the user like in a museum. That's pretty simple ...
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Redirect all http traffic to external web site using dnsmasq/iptables on Pi

I want to redirect all port 80 traffic (regardless of the domain name) to go to a specific external website. Therefore, if the user enters "www.google.com" or anything, it sends them to "www.mysite....
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PHP landing page on Apache server Cisco WLC controller

I have a landing page done on php along with SQL database for WIFI user registration along with Cisco wireless controller. The WLC is redirecting the user to the landing page for authentication / ...
1 vote
1 answer
725 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 ...
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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 ...
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854 views

Auto-trigger captive portal agreement page display

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 ...
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1k views

Force redirect to url with captive portal or dnsmasq

We are trying to host a static webpage (just one index.php) on a local wifi network without internet access. Essentially every user (mobile devices) should land on some landing page where he can ...
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505 views

Captive portal with local webserver and limited internet access

I have a mini pc running Linux. It has a 3G modem, wifi modem, runs nodogsplash for the captive portal, hostapd, dnsmasq, web server that gives out data that the user needs. I have the 3G device for ...
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1 vote
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323 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 ...
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External Captive portal with fortigate Firewall

I working on external captive portal for fortigate firewall I followed this tutorial to config my fortigate with external captive portal http://cookbook.fortinet.com/using-an-external-captive-portal-...
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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 ...
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3 answers
702 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 ...
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539 views

Open an URL on a client when it connects to a wifi network - how?

An enterprise has a "guest" WiFi that's password protected (so no open access) that their clients can use to reach the Internet. They also want to make it so that when someone connects, they'd get ...
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Freeradius radclient unsupported attribute

I want to send disconnect-message to NAS using radclient program but when I want to disconnect one user using this command echo user-name=zaib | radclient -x 192.168.3.1 disconnect "muh" the ...
1 vote
1 answer
735 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 votes
1 answer
1k views

Wifi daily password reset (captive portal)

I work for a small school where they want to open up the wifi network to students. The wifi network itself is already there, it's just not open to students. However they want to limit the usage for ...
2 votes
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125 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 ...
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767 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 ...
7 votes
2 answers
10k 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 ...
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2 votes
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1k 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,...
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1 answer
9k views

Captive Portal issue with Chrome on Android

I have setup WebAuth on our public Wi-Fi. We have a Cisco WLC 5508 and when using iOS, Apple, Windows devices or some Android devices, the page loads correctly, however when I am using a device with ...
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1k 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 ...
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552 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 ...
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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: ...
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220 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 ...
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1 answer
3k views

Captive portal with iptables and local dns server

I'm trying to redirect all the browser's requests from my wifi interface wlan1 to a captive portal. I have a node web server running on my target on 10.4.30.34:4040. It has to redirect the browser ...
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2 votes
1 answer
3k 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 ...
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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 ...
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1 answer
706 views

Packetfence & Aruba

I have a fresh install of a PacketFence (PF) server. Also, I have an Aruba networks AccessPoint (API-205), which I am using to send the users to the Captive Portal in PF. But the captive portal ...
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786 views

Captive portal setup with minimal hardware requirements

I am willing to deploy a captive portal for a free wifi access at my local business. I would like that every customer connecting to my AP be redirected to a web page where I could display some ad for ...
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3k views

IpTables rules for captive portal

I am trying to make a captive portal and I use the following iptables rules. IPTABLES="/sbin/iptables" EBTABLES="/sbin/ebtables" DHCP="67:68" SSH="22" WWW="80" $IPTABLES -t mangle -F $IPTABLES -F $...
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251 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 ...
2 votes
1 answer
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/...
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603 views

Captive portal OAuth

Im building a large network of AP with captive portal deployments, each AP has its own internet connection, managed by routers I don't have access to. I can manage the APs through a cloud controller....
2 votes
1 answer
2k 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 ...
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2 votes
3 answers
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 ...
12 votes
2 answers
18k 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 ...
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731 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 ...
1 vote
1 answer
711 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 ...
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Captive portal and walled internet

I am creating a tour guide app which visitors can download when they arrive on location. There will be a Hotspot to which they connect, they will get a welcome page with instruction (and a button to ...
3 votes
1 answer
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 ...
1 vote
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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 $...
0 votes
1 answer
294 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 ...
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615 views

Chillispot and DHCP setup on single server [closed]

Background I have a simple network topology consisting of 3 pieces of hardware, a CentOS server, an access point and a 4g modem. The server has 2 LAN ports and the 4g modem and the access point are ...
4 votes
1 answer
907 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 ...
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Do I need two routers to build a captive portal [closed]

I have recently started working with Asp.NET. I have decided to build a captive portal for windows as my first Asp.NET project. Currently I am confused with the hardware requirements for a captive ...
1 vote
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328 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 ...
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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 ...