发布于 2015-09-19 23:56:38 | 158 次阅读 | 评论: 0 | 来源: 网络整理

摘要

This module creates variables, whose values depend on the IP-address of the client.

Example configuration:

geo  $geo  {

  default          0;
  127.0.0.1/32     2;
  192.168.1.0/24   1;
  10.1.0.0/16      1;

}

指令

geo

syntax: geo [$ip_variable] $variable { ... }

default: none

context: http

The directive describes the dependency of the value of a variable on the IP-address of a client. By default, the IP-address used for the lookup is $remote_addr, but since version 0.7.27 it is possible to specify which variable should be used.

 geo  $arg_remote_addr $geo {
   ...;
 }

Addresses are assigned in the form CIDR. Furthermore, there are four special parameters:

Example of the description:

  • delete – deletes the specified network (0.7.23).
  • default - the value of variable, if the client address does not correspond to any assigned address. It is possible so to write instead of default 0.0.0.0/0.
  • include - text file with addresses and values information. Several files can be inluded like this.
  • proxy - specifies the address of proxy server (0.8.7+). NEED MORE DESCRIPTION...
  • ranges – specifies that the addresses specified are in the form of ranges (0.7.23). This directive must be the first.
 geo  $country  {
   default          no;
   include          conf/geo.conf;
   127.0.0.0/24     us;
   127.0.0.1/32     ru;
   10.1.0.0/16      ru;
   192.168.1.0/24   uk;
 }

In the file conf/geo.conf:

 10.2.0.0/16      ru;
 192.168.2.0/24   ru;

The value will be the the one with maximum agreement. For example, the IP address 127.0.0.1 will get the value "ru", but not "us".

Example with ranges:

 geo  $country  {
   ranges;
   default                    no; 
   127.0.0.0-127.0.0.0        us;
   127.0.0.1-127.0.0.1        ru;
   127.0.0.1-127.0.0.255      us;
   10.1.0.0-10.1.255.255      ru;
   192.168.1.0-192.168.1.255  uk; 
 }

References

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