Installation Instructions
Table Of Contents
- Installation and Configuration Manual
- Tait Communications Corporate Head Office
- Contents
- Preface
- 1 Introduction
- 2 Installation
- 3 Configuration
- 4 Administrating the SCADA Gateway
- 4.1 Logging on to the SCADA Gateway
- 4.2 Logging on to the SCADA Gateway as ‘root’
- 4.3 Self-Signed SSL Certificates
- 4.4 Using the Certificate from a Certification Authority (CA)
- 4.5 Changing the ‘root’ and ‘taitnet’ Passwords
- 4.6 Stopping/Starting the SCADA Gateway Software
- 4.7 Changing to a Local Time Zone
- 4.8 SCADA Gateway Resource File
- 5 Uploading SCADA Gateway Firmware
- 6 Backing up/Restoring Configuration Files
- Appendix 1: Transferring an ISO Image to a USB Flash Drive
- Appendix 2: Adding an Alternate Interface in CentOS
SCADA Gateway Installation and Configuration Manual Administrating the SCADA Gateway 29
© Tait Limited May 2017
4.3 Self-Signed SSL Certificates
When your browser connects to the SCADA gateway’s WebUI for the first
time, it raises a security warning. Normally, secure web sites have a
security certificate issued by a trusted Certification Authority. This is to foil
attempts by rogue web sites to pretend to be something they are not.
The SCADA gateway creates a self-signed certificate when the SCADA
gateway or its firmware is installed. Your browser raises a security warning
because the security certificate was not issued by a trusted Certification
Authority. The browser has a way of letting you override or bypass the
security warning, as explained below.
Follow the procedure below to tell the browser that the security certificate
is OK. The browser then stores the security certificate and will not raise a
warning on subsequent connections, unless the IP address of the SCADA
gateway changes. If the SCADA gateway’s IP address is changed, simply
repeat the certification procedure.
For more information, refer to http://support.microsoft.com/kb/931850
(Internet Explorer) or search for “security certificate” in your browser’s
Help.
4.3.1 Firefox Users
If Firefox is used, the following window appears when the user tries to
access the SCADA gateway WebUI for the first time: