nginx / nginx/nginx

Consider changing the default value of proxy_ssl_verify_depth

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#1,409 3 comments 0 reactions 0 assignees View on GitHub

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enhancement
Dominant language
C
Stars
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Forks
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Avg merge
1d 12h
Merged PRs (30d)
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Description

Feature Overview

The latest Let's Encrypt certificates utilize two intermediate certificates, which causes the default proxy_ssl_verify_depth 1 to throw an unable to get local issuer certificate error. Is it possible to change this default value?

Alternatives Considered

No response

Additional Context

https://letsencrypt.org/2025/11/24/gen-y-hierarchy.html

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the implementation and documentation for the proxy_ssl_verify_depth directive, then inspect any related SSL or proxy tests. Confirm the proposed default handles the certificate chain described in the issue without requiring an explicit setting, and update the relevant tests and documentation if the change is accepted.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
networking, security
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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