Why am I getting NTLM authentication prompts on sites using Java?

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Castle

1814

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Summary

Sites that use Java are causing NTLM authentication prompts due to a known fault in Java 7.

Problem

When accessing websites that use Java, you are receiving NTLM authentication prompt pop-ups.

Solution

Check the version of Java you have installed on your client machines as there is a bug in the Java 7 software with handling NTLM v2.

This is not a Smoothwall issue. This is a bug in the Java 7 software that causes the NTLM prompts per the following help threads:

https://forums.oracle.com/thread/2402469?start=15&tstart=0

http://bugs.sun.com/view_bug.do?bug_id=7184444

This issue is resolved in Java 8.

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23 August 2016

 

DMT

SK

 

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