Only allow certain IPs to access the server in reverse proxy

1. Caddy version (caddy version):

v2.3.0 h1:fnrqJLa3G5vfxcxmOH/+kJOcunPLhSBnjgIvjXV/QTA=

2. How I run Caddy:

system service

a. System environment:

Ubuntu Server 18.04 LTS

b. Command:

systemctl start caddy 

c. Service/unit/compose file:

Same as official doc in dist/caddy.service at master · caddyserver/dist · GitHub

d. My complete Caddyfile or JSON config: {

3. The problem I’m having:

I am doing reverse proxy. I want to allow certain IPs to have access to the web interface on port 8080, and reject others (may return 403 not allowed). How to achieve it ?

The counterpart of config in nginx server is

allow <ip1>;
allow <ip2>;
deny all;

4. Error messages and/or full log output:

Not applicable

5. What I already tried:

set remote_ip directive {
        remote_ip <ip1> <ip2> <ip3> 

The error says unrecognized directive: remote_ip

6. Links to relevant resources:

remote_ip is not a directive, it’s a matcher.

And read about the named matcher syntax here:

You’d use it something like this:

@blocked not remote_ip <ip1> <ip2> <ip3>
respond @blocked "Nope" 403

Thanks, it works

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