Add ModSecurity audit log collection and libmodsecurity decoding. - #2286
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atomicturtle merged 3 commits intoAug 11, 2026
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Introduce modsec-audit localfile format for serial audit transactions, nginx error-log ModSecurity decoders/rules, and dedicated audit rules so nginx+libmodsecurity deployments are covered beyond Apache error logs (ossec#1390).
Bind -Z--/-H-- handling to the open transaction id, ignore lookalike markers injected in request bodies, and tighten audit decoders/rules so Message matches prefer the H section (ossec#1390 security review).
Resolve CHANGELOG.md by keeping both the ossec#1390 ModSecurity entry and the ossec#462 syscheck_control flag hardening entry from main.
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Introduce modsec-audit localfile format for serial audit transactions, nginx error-log ModSecurity decoders/rules, and dedicated audit rules so nginx+libmodsecurity deployments are covered beyond Apache error logs (#1390).