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# Variables
## HTTP(s) proxy server overview and configuration (env_proxy)
A proxy server acts as an intermediary gateway between a client and another
HTTP(s) server, such as the Internet.
It makes service requests on behalf of a local client and allows the client
to make network connections to network services outside its own network.
| Parameter | Comment |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **host**
`mandatory`
**Type:** [`domainname`](https://forge.cloud.silique.fr/stove/rougail/src/branch/main/doc/variable/README.md#le-type-de-la-variable) | The proxy server’s address.
Specifies the hostname of proxy server to enable proxy server access to all of your HTTP(s) requests. .
**Example:** proxy.silique.fr |
| **port**
`mandatory`
**Type:** [`port`](https://forge.cloud.silique.fr/stove/rougail/src/branch/main/doc/variable/README.md#le-type-de-la-variable) | The proxy server's port.
**Default:** 3128 |
| **no_proxy**
`mandatory`, `multiple`
**Type:** [`domainname`](https://forge.cloud.silique.fr/stove/rougail/src/branch/main/doc/variable/README.md#le-type-de-la-variable) | Exclude proxy server.
Network address(es), network address range(s) and domains to exclude from using the proxy when initiating connection(s). .
**Examples:** 192.168.1.1, 192.168.10.0/24, www.silique.fr, .internal.silique.fr |
# Example with mandatories variables
```
env_proxy:
host: proxy.silique.fr
no_proxy:
- 192.168.1.1
- 192.168.10.0/24
- www.silique.fr
- .internal.silique.fr
```
# Example with all variables
```
env_proxy:
host: proxy.silique.fr
port: '3128'
no_proxy:
- 192.168.1.1
- 192.168.10.0/24
- www.silique.fr
- .internal.silique.fr
```