# Web Server Settings

Web Server allows you to receive variables value, quantity and an alarm/system error notification remotely.

## Configuring Web Server Settings

Steps to configure the Web Server Settings in the display unit.

Note: For information on the models which support the Web Server, see the following.

Supported Model/Feature.

1. In the Project Explorer window, go to [System Architecture] and click [Target01].
2. In the Properties window, click [Advanced] tab and click [Data Access] tab.
3. Go to [Web Function Settings] and select the [Web Server Enable] check box.
4. Set the following properties.

Properties Properties

[Web Function Settings]

[Enable Web Server]
Select to use Web Server.

[Web Server Settings]

[Security Setting]
When restricting the user according to the user access level of Web Server, select enable [Security Setting] and set the security level.

[Security Level For Read]
User can see server property, variable name, variable value, system errors, and alarms.

[Port Number]
Set the Port Number for data communication.

## Supported Protocol

Following Protocols are supported:

- HTTP (Version 1.1)

- WebSocket (Version 13)

Note: SSL connection (https and wss) are not supported.

### To build a secure network to prevent unauthorized access

To build a secure network to prevent unauthorized access, see the following.

Cybersecurity

We especially recommend doing the following.

- Build a communication environment using encrypted communication (for example, VPN).
- Install the display unit on a trusted secure network and protect the display unit with a firewall.