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: / etc / nginx / ea-nginx /
Filename : ea-nginx.conf.tt
back
map $host $CPANEL_APACHE_PROXY_IP {
    default [% settings.apache_port_ip %];
}

map $host $CPANEL_APACHE_PROXY_PORT {
    default [% settings.apache_port %];
}

map $host $CPANEL_APACHE_PROXY_SSL_IP {
    default [% settings.apache_port_ip %];
}

map $host $CPANEL_APACHE_PROXY_SSL_PORT {
    default [% settings.apache_ssl_port %];
}

map $host $CPANEL_SERVICE_SUBDOMAIN {
    default 0;
}

server_names_hash_max_size [% settings.server_names_hash_max_size %];
server_names_hash_bucket_size [% settings.server_names_hash_bucket_size %];
client_max_body_size [% settings.client_max_body_size %];

[% IF ea4conf.sslprotocol_list_str || ea4conf.sslprotocol -%]
ssl_protocols [% ea4conf.sslprotocol_list_str || ea4conf.sslprotocol %];
proxy_ssl_protocols [% ea4conf.sslprotocol_list_str || ea4conf.sslprotocol %];
[%- END -%]
[%- IF ea4conf.sslciphersuite %]
ssl_prefer_server_ciphers on;
ssl_ciphers [% ea4conf.sslciphersuite %];
proxy_ssl_ciphers [% ea4conf.sslciphersuite %];
[% END -%]
ssl_dhparam /usr/local/cpanel/etc/dhparam_from_cpanel.pem;

################################################################
#### This is to support keepalive; this is not load balancing ##
################################################################
[%- BLOCK keepalives %]
    [%- IF ea4conf.keepalive == "On" %]

    # set in /etc/nginx/ea-nginx/settings.json, default is 32
    keepalive [% settings.keepalive || 32 %];

    # set in EA4 global config (WHM/Service Configuration/Apache Configuration)
    keepalive_timeout [% ea4conf.keepalivetimeout %]; # no suffix means seconds

    # set in EA4 global config (WHM/Service Configuration/Apache Configuration)
    # Apache being set to Unlimited results in 1000 here since NGINX does not have an equivalent to unlimited
    keepalive_requests [% ea4conf.maxkeepaliverequests || 1000 %];

        [%- IF settings.keepalive_time %]
    # set in /etc/nginx/ea-nginx/settings.json
    keepalive_time [% settings.keepalive_time %];
        [%- ELSE %]
    # keepalive_time can be set in /etc/nginx/ea-nginx/settings.json
        [%- END %]
    [%- ELSE %]
    # Keepalive is disabled
    [%- END %]

    # To see how your keepalive config tuning behaves:
    #    1. Ensure NGINX caching is disabled
    #    2. Ensure NGINX `worker_processes` is 1
    #    3. make sure Apache and NGINX are restarted fully
    #       * There should be no lingering TCP connections between NGINX to Apache.
    #    4. Monitor TCP connections between NGINX to Apache:
    #       * `netstat -an | grep -c :[% port %]`
    #    5. Generate traffic with `ab` with various concurrent connections to various
    #       * Using step 4 to see if the number of connections is what you are aiming for
[%- END %]
[%- FOREACH ip IN ips %]
upstream apache_backend_https_[% ip.replace("\\.", "_") %] {
    server [% ip %]:[% settings.apache_ssl_port %]; # needs to be before keepalive configs
    [%- PROCESS keepalives port=settings.apache_ssl_port %]
}
upstream apache_backend_http_[% ip.replace("\\.", "_") %] {
    server [% ip %]:[% settings.apache_port %]; # needs to be before keepalive configs
    [%- PROCESS keepalives port=settings.apache_port %]
}
[% END %]