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Using an HTTP proxy

To access AWS through proxy servers, you can configure the HTTP_PROXY and HTTPS_PROXY environment variables with either the DNS domain names or IP addresses and port numbers that your proxy servers use.

Note
The following examples show the environment variable name in all uppercase letters. However, if you specify a variable twice—once with uppercase letters and once with lowercase letters—the one with lowercase letters wins. We recommend that you define each variable only once to avoid confusion and unexpected behavior.

The following examples show how you can use either the explicit IP address of your proxy or a DNS name that resolves to the IP address of your proxy. Either can be followed by a colon and the port number to which queries should be sent.

Linux or macOS

$ export HTTP_PROXY=http://10.15.20.25:1234
$ export HTTP_PROXY=http://proxy.example.com:1234
$ export HTTPS_PROXY=http://10.15.20.25:5678
$ export HTTPS_PROXY=http://proxy.example.com:5678

Windows

C:\> setx HTTP_PROXY http://10.15.20.25:1234
C:\> setx HTTP_PROXY http://proxy.example.com:1234
C:\> setx HTTPS_PROXY http://10.15.20.25:5678
C:\> setx HTTPS_PROXY http://proxy.example.com:5678

Authenticating to a proxy

The AWS CLI supports HTTP Basic authentication. Specify the user name and password in the proxy URL, as follows.

Linux or macOS

$ export HTTP_PROXY=http://username:password@proxy.example.com:1234
$ export HTTPS_PROXY=http://username:password@proxy.example.com:5678

Windows

C:\> setx HTTP_PROXY http://username:password@proxy.example.com:1234
C:\> setx HTTPS_PROXY http://username:password@proxy.example.com:5678

Note
The AWS CLI doesn't support NTLM proxies. If you use an NTLM or Kerberos protocol proxy, you might be able to connect through an authentication proxy like Cntlm.

Using a proxy on Amazon EC2 instances

If you configure a proxy on an Amazon EC2 instance launched with an attached IAM role, ensure that you exempt the address used to access the instance metadata. To do this, set the NO_PROXY environment variable to the IP address of the instance metadata service, 169.254.169.254. This address does not vary.

Linux or macOS

$ export NO_PROXY=169.254.169.254

Windows

C:\> setx NO_PROXY 169.254.169.254