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Catsplash

Usage

Starting Catsplash

Section titled “Starting Catsplash”

Once installed, start the captive portal:

Ventana de terminal
sudo ./bin/catsplash

Or if installed as a systemd service:

Ventana de terminal
sudo systemctl start catsplash

It listens on port 8080 by default. Clients connecting to the WiFi will be automatically redirected to the portal.

catsctl: Control CLI

Section titled “catsctl: Control CLI”

catsctl is the command-line tool for managing Catsplash.

Show system status

Section titled “Show system status”
Ventana de terminal
sudo catsctl status

Displays active interfaces, portal port, active/pending sessions, and total traffic.

List clients

Section titled “List clients”
Ventana de terminal
sudo catsctl list

Table with state, MAC, IP, connection time, data used, limits, and bandwidth for each client.

Manual authorization

Section titled “Manual authorization”
Ventana de terminal
sudo catsctl auth aa:bb:cc:dd:ee:ff 192.168.10.50

Disconnect a client

Section titled “Disconnect a client”
Ventana de terminal
sudo catsctl kick aa:bb:cc:dd:ee:ff

Extend a session

Section titled “Extend a session”
Ventana de terminal
sudo catsctl extend aa:bb:cc:dd:ee:ff 30

Extends the session by 30 minutes.

Set data limit

Section titled “Set data limit”
Ventana de terminal
sudo catsctl limit aa:bb:cc:dd:ee:ff 500

500 MB limit. Use 0 to remove the limit.

Set bandwidth

Section titled “Set bandwidth”
Ventana de terminal
sudo catsctl band aa:bb:cc:dd:ee:ff 5mbit 2mbit

Download limit 5 Mbps, upload 2 Mbps. Use 0 to disable.

Web admin panel

Section titled “Web admin panel”

Catsplash includes an admin panel at:

http://<gateway_ip>:8080/admin

Default credentials: admin / catsplash.

Panel features:

  • Authentication with bcrypt-hashed passwords.
  • CSRF protection on all forms.
  • Active client view with masked MAC, IP, and session times.
  • Data quota and bandwidth control per client.
  • Audit logs for data access and deletions.

ARCO+ Rights (LOPDP)

Section titled “ARCO+ Rights (LOPDP)”

Catsplash complies with Ecuador’s Personal Data Protection Law:

  • Privacy policy: Available at /privacy from the portal.
  • Data access: Users can request their data at /data-request.
  • Data deletion: Users can request data deletion at /data-deletion.
  • Cookie-based identity: Requester identity is resolved from session cookies, never from URL parameters.

Traffic monitoring

Section titled “Traffic monitoring”

Catsplash monitors traffic for each authenticated client every 10 seconds using iptables counters. If a client exceeds their data quota, the session is automatically closed.