Configuring a Proxy Server
The proxy group is used to configure the EMS to use a proxy server to connect to a ThingWorx Platform. For authentication with a proxy server, the EMS supports the following options:
No authentication
Basic authentication
Digest authentication
NTLM
* 
The code sample below is provided for example purposes only.

"proxy" : {
"host" : "localhost",
"port" : 3128,
"user" " "username",
"password" : "some_encrypted_password"
},
The following table describes the properties for setting up a proxy server:
Use
To Specify
host
The host name of the proxy server used to connect to the ThingWorx Platform. The value of the host property can be an IP address, or a host name.
port
The port number used to communicate with the proxy server. The default value is 3128.
user
The name of the user account that is used to connect with the proxy server. In general, do NOT use the colon (:) character in user names.
password
The password of the user account that is used to connect with the proxy server. If you select to provide the user name and password for authentication with the proxy server, it is recommended that you encrypt the password as shown in the example above. To encrypt a password, refer to Encrypting Application Keys, Passwords, and Passphrases.
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