What is TLS inspection?

What is TLS inspection?

Transport Layer Security Inspection (TLSI), also known as Transport Layer Security (TLS) break and inspect, is a security mechanism that allows enterprises to decrypt traffic, inspect the decrypted content for threats, and then re-encrypt the traffic before it enters or leaves the network.

What is zscaler SSL inspection?

When you enable SSL inspection, the Zscaler service establishes a separate SSL tunnel with the user’s browser and with the destination server. It sends the browser the Zscaler intermediate certificate or your organization’s custom intermediate root as well as a server certificate signed by the Zscaler intermediate CA.

How do you get a TLS inspection?

To do TLS inspection right, your firewall must present a valid certificate to the end device. Often this means installing a root certificate on your endpoints so that they trust the firewall, avoiding the security message above and allowing the firewall to act as a proxy for any SSL/TLS sessions that are initiated.

How do I check my SSL inspection?

To test SSL inspection:

  1. Compile a list of the websites and applications that your organization uses for everyday operations.
  2. Enable SSL inspection for the websites and applications from the list by configuring the SSL Inspection policy, and then have the users test them.

What is the purpose of SSL / TLS inspection?

SSL/TLS Inspection or HTTPS Interception is the process of intercepting SSL/TLS encrypted internet communication between the client and server.

Do you need a certificate to use TLS?

Yes, most websites that conduct business on the internet require a digital TLS/SSL certificate to encrypt and secure private data that is transmitted. TLS/SSL certificates protect your business’ and your customers private information.

When do I need to perform a HTTPS inspection?

Organizations that have performed a risk assessment and determined that HTTPS inspection is a requirement should ensure their HTTPS inspection products are performing correct transport layer security (TLS) certificate validation.

Can a decryption profile override a TLS inspection rule?

The decryption profile attached to an SSL/TLS inspection rule can override these actions for the rule. Re-signing certificates must be trusted by the endpoint devices. If they aren’t, browsers will show a warning and may refuse to complete the connection.