📦 Installation Command
apt install caddy
Caddy Server Default Port & Auto HTTPS
caddy systemctl: caddyModern web server with automatic HTTPS. Written in Go, simple Caddyfile config, built-in Let's Encrypt.
🔌 Default Ports
80
tcp
HTTP (auto-redirect to HTTPS)
443
tcp
HTTPS
2019
tcp
Admin API
⚙️ Configuration Files
/etc/caddy/Caddyfile
📂 Default Directories
- config:
/etc/caddy - data:
/var/www/html - logs:
/var/log/caddy - ssl_certs:
/var/lib/caddy/.local/share/caddy/certificates - state:
/var/lib/caddy
🔐 Default Credentials
Username:N/A
Password:N/A
💡 Admin API on localhost:2019 has no auth by default. Restrict network access.
📌 Dependencies
⚠️ Conflicts
✅ Works With
🛡️ Security Notes
Restrict admin API to localhost, Caddy handles SSL automatically and securely, enable request limiting in Caddyfile
❓ Frequently Asked Questions
What port does Caddy use?
Caddy uses port 80 for HTTP and 443 for HTTPS, with automatic SSL certificate provisioning.
Does Caddy automatically get SSL certificates?
Yes, Caddy automatically obtains and renews SSL certificates from Let's Encrypt.
Where is Caddy config file?
Caddy uses Caddyfile, typically at /etc/caddy/Caddyfile.