The ngx_mail_realip_module module is used to change the client address and port to the ones sent in the PROXY protocol header (1.19.8). The PROXY protocol must be previously enabled by setting the proxy_protocol parameter in the listen directive.
Example Configuration
listen 110 proxy_protocol;
set_real_ip_from 192.168.1.0/24;
set_real_ip_from 192.168.2.1;
set_real_ip_from 2001:0db8::/32;
Directives
Syntax:
set_real_ip_from address | CIDR | unix:;
Default:
—
Context:
mail, server
Defines trusted addresses that are known to send correct replacement addresses. If the special value unix: is specified, all UNIX-domain sockets will be trusted.
