Sending Requests Through a Proxy | Amazon VGT2 Las Vegas

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In certain network setups, it is necessary for outbound connections to be routed through a proxy server. This requirement for utilizing a proxy for outbound HTTP requests is a standard practice within many organizations and often needs to be configured on the client side.

The AWS SDK for PHP enables you to send requests via a proxy by utilizing the “request options” feature of a client. These request options are applied to each HTTP request made by the client, with one of the options being the proxy setting. This option dictates how the SDK interacts with a proxy server.

To pass request options to a client, you can use the client’s factory method. Below is an example demonstrating how to set a proxy for an Amazon S3 client:

use AwsS3S3Client;

$s3 = S3Client::factory(array(
    'request.options' => array(
        'proxy' => '127.0.0.1:123'
    )
));

In this example, the client is instructed to route all requests through an HTTP proxy located at the IP address 127.0.0.1, using port 123.

Username and Password

If your proxy server requires authentication, you can provide a username and password in the proxy setting as follows:

$s3 = S3Client::factory(array(
    'request.options' => array(
        'proxy' => 'username:password@127.0.0.1:123'
    )
));

Proxy Protocols

Since proxy support is managed through cURL, you can specify various protocols when setting the proxy (for instance, socks5://127.0.0.1). To find more details on the proxy protocols supported by cURL, refer to their official documentation. Additionally, you may find this blog post helpful for further reading.

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