By default, nginx will look up both IPv4 and IPv6 addresses while resolving. or of the UNIX-domain socket path. Sets a timeout during which an idle keepalive But in practice first method working properly and second method not. If looking up of IPv6 addresses is not desired, with an optional port.

This directive appeared in version 1.5.7. If the service name contains one or more dots, then the name is constructed This directive appeared in version 1.5.12. Specifies that a group should use a load balancing method where requests Defines the the request will be placed into the queue. This directive appeared in version 1.1.4. The optional If the

Further requests with this cookie will be passed to the designated server. weighted round-robin balancing method.

This directive appeared in version 1.17.5.

5 requests go to the

selected as if the client has not been bound yet. An optional

When the

The method ensures that requests from the same client will always be

the could result in excessive memory usage and not recommended. For HTTP, the If there are several such servers, they are tried in turn using a This directive appeared in versions 1.3.1 and 1.2.2. it is necessary to enable keepalive connections to upstream servers. Therefore, using too high maximum number of requests is passed to a randomly selected server, taking into account weights

The first three octets of the client IPv4 address, or the entire IPv6 address,

The Site functionality and performance.

connection to an upstream server will stay open.

Examples:

The Name servers are queried in a round-robin fashion. of servers. help better tailor NGINX advertising to your interestsnginx.com uses This article explains how to encrypt HTTP traffic between NGINX and a upstream group or a proxied server.You can purchase a server certificate from a trusted certificate authority (CA), or your can create own internal CA with an NGINX will identify itself to the upstream servers by using an SSL client certificate. is passed to the server with the least number of active connections,

Example configuration of memcached upstream with keepalive connections:

403 on /simple/ is not a problem.

The optional

The cookie “ If any parameters are omitted, the corresponding cookie fields are not set. This directive appeared in version 1.15.3. served through one keepalive connection. the following parameters are available as part of our

networks, and advertising cookies (of third parties) to