[cherry-pick]add v6 port for nginx ad portal config

[MinerYang]

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Comprehensive Summary of your change

Issue being fixed

Fixes #(issue)

Please indicate you've done the following:

• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9731fdd) 67.42% compared to head (dfeabd5) 67.43%.
Report is 2 commits behind head on release-2.9.0.

Additional details and impacted files

@@              Coverage Diff               @@
##           release-2.9.0   #19893   +/-   ##
==============================================
  Coverage          67.42%   67.43%           
==============================================
  Files                993      993           
  Lines             108938   108938           
  Branches            2752     2752           
==============================================
+ Hits               73448    73458   +10     
+ Misses             31534    31525    -9     
+ Partials            3956     3955    -1     

Flag	Coverage Δ
unittests	67.43% <ø> (+<0.01%)	⬆️

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see 2 files with indirect coverage changes

[wy65701436]

lgtm