On Thu, 6 Mar 2025 10:24:13 GMT, Michael McMahon <micha...@openjdk.org> wrote:

> Hi,
> 
> Enhanced exception messages are designed to hide sensitive information such 
> as hostnames, IP 
> addresses from exception message strings, unless the enhanced mode for the 
> specific category 
> has been explicitly enabled. Enhanced exceptions were first introduced in 
> 8204233 in JDK 11 and 
> updated in 8207846.
> 
> This PR aims to increase the coverage of enhanced exception messages in the 
> networking code.
> A limited number of exceptions are already hidden (restricted) by default. 
> The new categories and 
> exceptions in this PR will be restricted on an opt-in basis, ie. the default 
> mode will be enhanced
> (while preserving the existing behavior).
> 
> The mechanism is controlled by the security/system property 
> "jdk.includeInExceptions" which takes as value
> a comma separated list of category names, which identify groups of exceptions 
> where the exception
> message may be enhanced. Any category not listed is "restricted" which means 
> that potentially
> sensitive information (such as hostnames, IP addresses, user identities) are 
> excluded from the message text.
> 
> The changes to the java.security conf file describe the exact changes in 
> terms of the categories now
> supported and any changes in behavior.
> 
> Thanks,
> Michael

This pull request has now been integrated.

Changeset: b6f827ef
Author:    Michael McMahon <micha...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/b6f827ef054959662190e21ce63fc3d3c45b92f3
Stats:     984 lines in 47 files changed: 709 ins; 101 del; 174 mod

8348986: Improve coverage of enhanced exception messages

Reviewed-by: dfuchs

-------------

PR: https://git.openjdk.org/jdk/pull/23929

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