On Fri, 16 May 2025 11:42:08 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
>
> Michael McMahon has updated the pull request with a new target base due to a 
> merge or a rebase. The pull request now contains 26 commits:
> 
>  - reduced number of new categories
>  - Merge branch 'master' into 8348986-exceptions
>  - Merge branch 'master' into 8348986-exceptions
>  - Merge branch 'master' into 8348986-exceptions
>  - Merge branch 'master' into 8348986-exceptions
>  - Review update
>  - review update
>  - Merge branch 'master' into 8348986-exceptions
>  - update to minimise code changes
>  - Merge branch 'master' into 8348986-exceptions
>  - ... and 16 more: https://git.openjdk.org/jdk/compare/64a858c7...3b7861b0

src/java.base/share/classes/jdk/internal/util/Exceptions.java line 78:

> 76:      * controlled. Consider using a unique value for the
> 77:      * SecurityProperties.includedInExceptions(String value) mechanism
> 78:      * Current values defined are "socket", "jar", "userInfo"

If I am not mistaken the "socket" info is no longer here.

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

PR Review Comment: https://git.openjdk.org/jdk/pull/23929#discussion_r2095457460

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