Backport issue(#1156) and issue(#1057) to branch opendistro-1.10

[niravpi]

opensearch-security pull request intake form

Please provide as much details as possible to get feedback/acceptance on your PR quickly

1. Category: (Enhancement, New feature, Bug fix, Test fix, Refactoring, Maintenance, Documentation)
   Backporting

2. Github Issue # or road-map entry, if available:

3. Description of changes:

4. Why these changes are required?

5. What is the old behavior before changes and new behavior after changes? (Please add any example/logs/screen-shot if available)

6. Testing done: (Please provide details of testing done: Unit testing, integration testing and manual testing)

7. Setup Instructions

8.Is it backport from main branch? (If yes, please add backport PR # and commits #)
Yes,

• Introducing passive_intertransport_auth to facilitate communication b… #1156 and commit hash is : 9adcd20

• Correcting setupSslOnlyMode to use AbstractSecurityUnitTest.hasCustom… #1057 and commit hash is : 70a4f70

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[codecov-commenter]

Codecov Report

Merging #1262 (dd6d66f) into opendistro-1.10 (8a10070) will increase coverage by 0.06%.
The diff coverage is 75.38%.

@@                  Coverage Diff                  @@
##             opendistro-1.10    #1262      +/-   ##
=====================================================
+ Coverage              63.99%   64.06%   +0.06%     
- Complexity              3168     3183      +15     
=====================================================
  Files                    239      241       +2     
  Lines                  16889    16940      +51     
  Branches                3032     3040       +8     
=====================================================
+ Hits                   10808    10852      +44     
- Misses                  4530     4535       +5     
- Partials                1551     1553       +2     

Impacted Files	Coverage Δ
...arch/security/ssl/OpenDistroSecuritySSLPlugin.java	82.60% <0.00%> (ø)
...ort/OpenDistroSecuritySSLTransportInterceptor.java	0.00% <0.00%> (ø)
...lasticsearch/security/support/ConfigConstants.java	94.44% <ø> (ø)
...rch/security/setting/OpenDistroDynamicSetting.java	60.00% <60.00%> (ø)
...ticsearch/security/configuration/CompatConfig.java	38.23% <66.66%> (+10.64%)	⬆️
.../security/setting/TransportPassiveAuthSetting.java	80.00% <80.00%> (ø)
...ty/transport/OpenDistroSecurityRequestHandler.java	75.53% <83.33%> (+0.53%)	⬆️
...arch/security/filter/OpenDistroSecurityFilter.java	77.77% <87.50%> (+2.47%)	⬆️
...asticsearch/security/OpenDistroSecurityPlugin.java	83.54% <100.00%> (+0.10%)	⬆️
...ch/security/ssl/transport/OpenDistroSSLConfig.java	100.00% <100.00%> (+9.52%)	⬆️
... and 13 more

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