proxy env variable doc

docs/user-guide/cli-configuringcli-ev.md

@@ -74,3 +74,13 @@ Use the `--show-inputs-only` option in a Zowe CLI command to view the property v
 | Environment variable | Description | Values | Default |
 | ---------------------- | ----------- |------- | ------- |
 | `ZOWE_SHOW_SECURE_ARGS`        | Displays secure property values used by a Zowe CLI command            | `TRUE`, `FALSE` | `FALSE` |
+
+## Using Zowe CLI with a proxy
+
+If your network configuration requires communication with the mainframe to be performed through a proxy server, set environment variables to route Zowe CLI traffic through an HTTP/HTTPS proxy.
+
+| Environment Variable         | Description   |   Example Value |
+| - | - | - |
+| `HTTPS_PROXY`, `https_proxy` | Use an `https` proxy to route communication to the mainframe when your proxy server supports `https`.               | If authentication required: </br> `https://[user]:[password]@[address]:[port]` </br> If authentication not required: `https://[address]:[port]` |
+| `HTTP_PROXY`, `http_proxy`   | Use an `http` proxy to route communication to the mainframe when your proxy server does not support `https`.                                                        | If authentication required: </br> `http://[user]:[password]@[address]:[port]` </br> If authentication not required: `http://[address]:[port]`|
+| `NO_PROXY`                   | Set a list of host addresses (separated by commas) to connect to the specified hosts without going through a proxy.| `https://[address_1],https://[address_2]`, `http://[address_1],http://[address_2]`, `*.address_1,*.address_2` |

docs/user-guide/cli-using-formatting-environment-variables.md

@@ -19,4 +19,3 @@ The following table provides examples of CLI options and the corresponding envir
 | `--user`                | `ZOWE_OPT_USER`                | Define your mainframe username to an environment variable to avoid specifying it on all commands or profiles.                           |
 | `--reject-unauthorized` | `ZOWE_OPT_REJECT_UNAUTHORIZED` | Define a value of `true` to the `--reject-unauthorized` flag when you always require the flag and do not want to specify it on all commands or profiles. |
 | `--editor`              | `ZOWE_OPT_EDITOR`              | Define an editor that Zowe CLI uses to open files. The value can be either the editor's executable file location or the name of a program (for example, *notepad* on Windows or *nano* on Linux).|
-

docs/user-guide/cli-using-using-environment-variables.md

@@ -53,4 +53,4 @@ pipeline {
 }
 ```
 
-For more information on Jenkins credential storage, see [Using credentials](https://www.jenkins.io/doc/book/using/using-credentials/) and Using a [Jenkinsfile](https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#for-secret-text-usernames-and-passwords-and-secret-files).
+For more information on Jenkins credential storage, see [Using credentials](https://www.jenkins.io/doc/book/using/using-credentials/) and Using a [Jenkinsfile](https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#for-secret-text-usernames-and-passwords-and-secret-files).