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Add a reference page listing every crs-setup.conf setting with its default, enforcing rule, and when to change it. Update passages that still showed the single phase:2 SecDefaultAction: CRS 4.28.0 sets a default for phases 1-5. Note that UTF-8 validation is now on by default, document the _method override toggle (900210/920650), and point out that application/*+json and AWS JSON content types are auto-allowed since 4.30.0 (rules 901360/901370). Bump crs_latest_release to 4.30.0. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dPLzCS17k6fiP7qf35iZi
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| Check name | Status | Explanation | Resolution |
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| Ai Contribution Disclosure |  |
## ai disclosure section and includes a Claude Code session link. It also omits the required lowerca… |
Add lowercase ## what, ## why, and ## refs sections. Add ## ai disclosure with concrete **tools used** (model and version), **assisted with** (specific generated content), and **review performed** (specific verification). Remo… |
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Check name Status Explanation Docstring Coverage No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0… Linked Issues check Check skipped because no linked issues were found for this pull request. Out of Scope Changes check Check skipped because no linked issues were found for this pull request. Regex Assembly Is The Source Of Truth Passed — not applicable. The pull request changes no rules/*.conffile and no file underregex-assembly/; it does not modify an@rxpattern or regex assembly source.Rule Change Requires Go-Ftw Test Coverage Passed — not applicable. The pull request changes documentation, configuration metadata, and lychee.toml; it does not add or modifySecRuledirectives inrules/*.conforplugins/*.conf, and it…Redos Risk & Re2 Compatibility Passed — not applicable. The pull-request diff changes documentation, configuration metadata, and lychee.toml; it does not add or modify@rxpatterns,regex-assembly/*.ra,regexp.MustCompile, …False Positive Risk & Existing Coverage Passed — not applicable. The pull request changes only documentation, configuration metadata, and lychee.toml; it does not add or widen a detection pattern and does not modifyrules/*.conf, `plugi…Crs Rule Metadata & Id Conventions Not applicable. The pull request does not add or modify a SecRule in rules/.conf, plugins/.conf, or crs-setup.conf.example. Rule & Config Breaking Changes PASS — The pull request changes only documentation-site content, the site’s crs_latest_releasevalue, and the Lychee exclusion list. It does not modifycrs-setup.conf.example, CRS rule IDs, tags, …Owasp Security (Web, Api & Llm) PASS — The pull request changes documentation, a displayed CRS release version, and a link-checker exclusion. It introduces no application code, credentials, dependencies, network fetch behavior, auth… Unpinned Dependencies & Actions Passed: not applicable. The diff changes documentation, site configuration, and lychee.toml; it does not change a dependency manifest, lockfile, Dockerfile, workflow, or pipeline file covered by thi…Secrets, Payloads & Pii In Logs PASS — The pull request changes only documentation, a release setting, and the link-checker configuration. The added examples contain synthetic configuration values and rule variable names, but no cre… New Dependency Scrutiny No new dependency entry, GitHub Action, or Buildkite plugin is present in the authoritative PR diff. The changed files are documentation, configuration, and lychee.toml; the added `https://www.debug…Install & Build-Time Code Execution No trigger introduced. The PR changes only TOML configuration, Markdown documentation, and lychee.toml; it adds no Dockerfile, CI workflow, shell script, packaging hook, npm lifecycle script, Terraf…Renovate: Config Present And Valid PASS: The PR changes no files in the repository root or .github/, and no Renovate candidate file is touched. The PR head containsrenovate.jsonwith the required$schemaand `github>coreruleset/…Title check The title clearly summarizes the main changes: adding a configuration settings reference and synchronizing the documentation with CRS 4.30.0. Description check The description explains the purpose and scope of the documentation updates and includes a test plan. It does not use the template headings, but it provides the required big-picture context. The optio…
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⚠️ WARNING: The PR still fails the AI Contribution Disclosure policy. The supplied PR body has no## ai disclosuresection and includes a Claude Code session link. It also omits the required lowercase## what,## why, and## refssections. Git evidence for all three commits in the reviewed range showsCo-Authored-By: Claude Fable 5.1andClaude-Sessiontrailers. The change is material: 149 insertions across seven files, including a new 123-line reference page.Resolution
Add lowercase
## what,## why, and## refssections. Add## ai disclosurewith concrete**tools used**(model and version),**assisted with**(specific generated content), and**review performed**(specific verification). Remove theCo-Authored-By,Claude-Session, and other AI-tool signature lines from the PR body and all three commit messages.
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Deploying crs-documentation with
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| Preview URL: | https://79653653.documentation-km5.pages.dev |
| Branch Preview URL: | https://docs-crs-4-30-settings.documentation-km5.pages.dev |
The site currently returns 502 Bad Gateway, which fails the PR link check for an unrelated page. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dPLzCS17k6fiP7qf35iZi
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Link checker was failing on https://www.debuggex.com/ (502 Bad Gateway, unrelated to this PR; the site is down). Added it to the lychee exclude list alongside the other flaky hosts. If it stays down, the Debuggex entries in 6-7-tools-for-rule-writers.md should be removed instead. |
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Actionable comments posted: 1
- 🪄 Fix comments: Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @content/2-how-crs-works/2-5-configuration-settings.md:
- Line 101: Update the `tx.crs_validate_utf8_encoding` table entry to name
`REQUEST_FILENAME`, `ARGS`, and `ARGS_NAMES` as the fields validated by rule
920250, rather than implying that it checks all request contents.
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📒 Files selected for processing: 7
config/_default/config.tomlcontent/1-getting-started/1-1-crs-installation.mdcontent/2-how-crs-works/2-3-false-positives-and-tuning.mdcontent/2-how-crs-works/2-5-configuration-settings.mdcontent/3-about-rules/creating.mdcontent/5-advanced-topics/5-1-self-contained-mode.mdlychee.toml
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coreruleset/coreruleset(manual)coreruleset/go-ftw(manual)coreruleset/crs-toolchain(manual)coreruleset/crs-linter(manual)coreruleset/documentation(manual)
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Double-checked debuggex.com: the domain is registered until 2027, DNS resolves, and nginx answers with 502 Bad Gateway, so it is a backend outage rather than a dead site. The Wayback Machine has a working snapshot from 2026-09-26. The lychee exclusion is a temporary workaround; the Debuggex entries in the docs should stay. |
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_016dPLzCS17k6fiP7qf35iZi
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Oct 15, 2026
| | 900300 | `tx.max_num_args` | 255 | Maximum number of request arguments | | ||
| | 900310 | `tx.arg_name_length` | 100 | Maximum length of an argument name | | ||
| | 900320 | `tx.arg_length` | 400 | Maximum length of an argument value | | ||
| | 900330 | `tx.total_arg_length` | 64000 | Maximum combined length of all arguments | |
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Suggested change
| | 900330 | `tx.total_arg_length` | 64000 | Maximum combined length of all arguments | | |
| | 900330 | `tx.total_arg_length` | 64000 | Maximum combined length of all arguments (sum of argument name and value lengths, excluding files) | |
| deny: | ||
| by modifying the SecDefaultAction directives in the crs-setup.conf file | ||
| to use a disruptive action other than the default `pass`, such as | ||
| deny. Change the request phases (1 and 2) together; the response phases |
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| deny. Change the request phases (1 and 2) together; the response phases | |
| `deny`. Change the request phases (1 and 2) together; the response phases |
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Summary
Compared the docs against CRS
origin/main(v4.30.0) and updated everything that drifted on settings.2-how-crs-works/2-5-configuration-settings.md: a reference for every900xxxsetting incrs-setup.confwith variable, default, enforcing rule, and when to change it.phase:2line. Since 4.28.0 the setup file sets a default for phases 1-5 (#4675).tx.crs_validate_utf8_encoding) is enabled by default since 4.28.0 (#4647); rule 900950 now disables it._methodoverride toggletx.allow_method_override_parameter/ rule 920650 at PL2 (#4416) documented.application/*+jsonand AWSx-amz-jsontypes are auto-allowed with the JSON body processor since 4.30.0 (rules 901360/901370, #4775, #4828). Added a tip after example 9 in the tuning page.crs_latest_releasebumped 4.28.0 → 4.30.0.Test plan
hugo --minify --baseURL "/"builds, new page renders, refs resolve.github/workflows/english_test.shpassesorigin/main🤖 Generated with Claude Code
https://claude.ai/code/session_016dPLzCS17k6fiP7qf35iZi
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