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The Bureau of Labor Statistics (BLS) will begin disabling support for Transport Layer Security 1.0 - Effective October 1, 2018

BLS is updating the security for its websites. To access any BLS website after October 1, all users must use a browser and application that meets new security requirements.

For example, you can use any of the following web browsers:

  • Microsoft Edge
  • Google Chrome (version 30 or later)
  • Internet Explorer (version 11 or later)
  • Mozilla Firefox (version 27 or later)
  • Apple Safari (version 7 or later)

We encourage you to update your browser to ensure that you have continued access to BLS websites. You can check if your browser is compliant at these websites:


Technical details:

Transport Layer Security (TLS) is an internet protocol that ensure secure communications. It’s the most common security protocol used for web browsers and other applications that require data to be securely exchanged over a network. TLS ensures that a connection to a remote endpoint is the intended endpoint through encryption and endpoint identity verification. TLS 1.0 has vulnerabilities.

After BLS disables TLS 1.0, any inbound or outbound connections to our websites that rely on TLS 1.0 will fail. Users must interact with BLS websites using TLS 1.1 and higher. Some older web browsers do not support TLS 1.1.


If you have any questions, please contact


To receive advanced notifications on system downtime or outages, software upgrades, retiring applications, and discontinued systems, please subscribe to the BLS Web Systems Update.”


Last Modified Date: August 23, 2018