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The CAS test environment (cas-test.its.hawaii.edu) has been updated.

As always, we encourage you to test your applications against the updated environment.

This is a somewhat significant update for the Java Servlet Container that the CAS application runs in. The Tomcat 8.0.x track is scheduled for EOL 2018-06-30.

This version supports TLSv1.1 and TLSv1.2. Notably, TLSv1.0 was previously supported, but is not in this update.

Some testers who've encountered handshake protocol

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errors have resolved the problem with the following (or equivalent) in their

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client configuration:

Tomcat
- -Dhttps.protocols=TLSv1,TLSv1.2,TLSv1.1
  - As long you have at least one of the supported protocols (TLSv1.2,TLSv1.1) it should work
  - TLSv1 above is Tomcat's configuration string for TLSv1.0 (ignored by this update to our Tomcat)
PHP:
- Set CURLOPT_SSLVERSION to 5 or 6 (or do not set CURLOPT_SSLVERSION)
  Code Block
  language php
  title reported successful configuration change
  // curl_setopt($ch, CURLOPT_SSLVERSION, 4); // curl_setopt($ch, CURLOPT_SSL_CIPHER_LIST, 'TLSv1');
- PHP documentation recommends not setting CURLOPT_SSLVERSION
  - Comments suggest, "CURL_SSLVERSION_TLSv1_1 (5) or CURL_SSLVERSION_TLSv1_2 (6) only work for PHP versions using curl 7.34 or newer"
Consider deprecating TLSv1.0 in your configuration client configurations if possible though
- SSL Labs on secure protocols

The following ciphers are supported as determined by SSL Labs' SSL server test:

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