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codi639
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Posts: 13
Joined: Mon Jan 15, 2024 1:41 pm
Location: France

Hotspot personalization Issues

Tue Mar 26, 2024 12:30 pm

Hey everyone,

I'm trying to configure a physical (not wireless) hotspot on my router. The objective is that a client connect to the router, try to reach any website, get redirected to my hotspot page, accept the terms of services, then automatically get redirected to the site he was trying to reach.
But I'm struggling so much... I read this1 doc: https://wiki.mikrotik.com/wiki/Manual:C ... ng_Hotspot and this 2: https://help.mikrotik.com/docs/pages/vi ... d=56459266.
Using the `setup` option of the second one, automatically generated me a lot of nat rules and some html files. I don't understand how mikrotik is adding the IP of the client if he accept the terms of services (I've setup a one click authentication for the hotspot). I don't understand, in the HTML files, how mikrotik is redirecting the client to the good page. The first doc provide some variables explanation, but the generated site uses a lot more...
There's my nat rules:
[admin@MikroTik] /ip/hotspot> /ip firewall/nat print
Flags: X - disabled, I - invalid; D - dynamic 
 0  D chain=dstnat action=jump jump-target=hotspot hotspot=from-client 

 1  D chain=hotspot action=jump jump-target=pre-hotspot 

 2  D chain=hotspot action=redirect to-ports=64872 protocol=udp dst-port=53 

 3  D chain=hotspot action=redirect to-ports=64872 protocol=tcp dst-port=53 

 4  D chain=hotspot action=redirect to-ports=64873 protocol=tcp hotspot=local-dst dst-port=80 

 5  D chain=hotspot action=redirect to-ports=64875 protocol=tcp hotspot=local-dst dst-port=443 

 6  D chain=hotspot action=jump jump-target=hs-unauth protocol=tcp hotspot=!auth 

 7  D chain=hotspot action=jump jump-target=hs-auth protocol=tcp hotspot=auth 

 8  D chain=hs-unauth action=redirect to-ports=64874 protocol=tcp dst-port=80 

 9  D chain=hs-unauth action=redirect to-ports=64874 protocol=tcp dst-port=3128 

10  D chain=hs-unauth action=redirect to-ports=64874 protocol=tcp dst-port=8080 

11  D chain=hs-unauth action=redirect to-ports=64875 protocol=tcp dst-port=443 

12  D chain=hs-unauth action=jump jump-target=hs-smtp protocol=tcp dst-port=25 

13  D chain=hs-auth action=redirect to-ports=64874 protocol=tcp hotspot=http 

14  D chain=hs-auth action=jump jump-target=hs-smtp protocol=tcp dst-port=25 

15 X  ;;; place hotspot rules here
      chain=unused-hs-chain action=passthrough 

16    ;;; masquerade hotspot network
      chain=srcnat action=masquerade src-address=192.168.1.0/24 
__
hotspot configuration:
[admin@MikroTik] /ip/hotspot> print
Columns: NAME, INTERFACE, ADDRESS-POOL, PROFILE, IDLE-TIMEOUT
# NAME      INTERFACE  ADDRESS-POOL  PROFILE  IDLE-TIMEOUT
0 hotspot1  ether9     hs-pool-13    hsprof1  5m          
[admin@MikroTik] /ip/hotspot> profile/print
Flags: * - default 
 0 * name="default" hotspot-address=0.0.0.0 dns-name="" html-directory=hotspot html-directory-override="" install-hotspot-queue=no http-proxy=0.0.0.0:0 smtp-server=0.0.0.0 login-by=cookie,http-chap 
     http-cookie-lifetime=3d split-user-domain=no use-radius=no 

 1   name="hsprof1" hotspot-address=192.168.1.1 dns-name="192.168.1.1" html-directory=hotspot html-directory-override=hotspot-test install-hotspot-queue=no http-proxy=0.0.0.0:0 smtp-server=0.0.0.0 
     login-by=cookie,http-chap http-cookie-lifetime=3d split-user-domain=no use-radius=no 

__
With this configuration, the client does not get redirected automatically to the login page if he select a domain name, it does if the client use any ip address. After accepting the terms of services, the client does not get redirected to the site he want, but to a status page or the "If nothing happens, click here". I tried to modify this, but nothing seams to works...

If anyone already personalize a hotspot and can explain me how all of this works, it would be marvelous. I can provide the content of the different HTML page, but there's a lot.

Regards
 
codi639
just joined
Topic Author
Posts: 13
Joined: Mon Jan 15, 2024 1:41 pm
Location: France

Re: Hotspot personalization Issues

Wed Mar 27, 2024 10:42 am

I've been able to figure out what was wrong.

I was working on a test working **without** an Internet access, so basically, without DNS. When my client was connecting to the router, he was able to get redirected to the login page using an IP address since this does **not** require DNS resolution. But when doing the DNS request on the router, the DNS cache of the client stayed empty since the router itself didn't have any domain name.

Everything's fine now, such a basic error...

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