Firewall

pr cp 115435 r2

RHEL 7 SELinux Denies httpd Write Access

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 124008 r2

Oracle Linux 10 – journalctl logs rotate too aggressively and lose incident evidence

🟑 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 10 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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pr cp 126998 r2

CentOS Stream 10 – Common Problem 154 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: CentOS Stream 10 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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pr cp 121999 r2

FreeBSD 15 – pf rule set unintentionally blocks SSH management access

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: FreeBSD 15 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 114428 r2

Service Is Running But Not Reachable Through firewalld

🟑 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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pr cp 123494 r2

FreeBSD 12 – pf rule set unintentionally blocks SSH management access

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: FreeBSD 12 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 126004 r2

SLES 15 – Common Problem 154 – Diagnosis and Fix

🟑 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: SUSE Linux Enterprise Server 15 πŸ“– ~2 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening […]

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pr cp 127498 r2

CentOS Stream 9 – Common Problem 154 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: CentOS Stream 9 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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pr cp 122498 r2

FreeBSD 14 – pf rule set unintentionally blocks SSH management access

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: FreeBSD 14 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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pr cp 115425 r2

RHEL 7 firewalld Blocks Internal DNS Resolution

🟑 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: RHEL 7 πŸ“– ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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