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Mahipal
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Each rewritten description now states both what the skill does (concrete capability, named tools/artifacts) and an explicit when-to-use trigger, improving agent discovery/activation. Grounded in each skill's own body; changes confined to the `description` field only (bodies and all other frontmatter untouched). Produced by a gated audit->rewrite->recheck loop (548 -> 0 flagged) with a sampled anti-invention check (0 ungrounded). Schema: 817/817 pass. Framework-ID gate: 0 defects.
86 lines
2.7 KiB
Markdown
86 lines
2.7 KiB
Markdown
---
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name: implementing-syslog-centralization-with-rsyslog
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description: Configure rsyslog for centralized log collection with TLS encryption,
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custom templates, and log rotation, generating server and client configuration
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files with GnuTLS stream drivers, x509 certificate authentication, per-host log
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segregation, and reliable queue settings. Use when building a centralized, encrypted
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syslog pipeline, hardening rsyslog client/server configs for high-availability log
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infrastructure, or troubleshooting TLS-based syslog forwarding.
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domain: cybersecurity
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subdomain: security-operations
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tags:
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- syslog
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- rsyslog
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- log-centralization
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- tls-encryption
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- log-management
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- security-operations
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version: '1.0'
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author: mahipal
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license: Apache-2.0
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nist_csf:
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- DE.CM-01
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- RS.MA-01
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- GV.OV-01
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- DE.AE-02
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mitre_attack:
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- T1078
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- T1190
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- T1059
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- T1573
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- T1486
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---
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# Implementing Syslog Centralization with Rsyslog
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## When to Use
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- When deploying or configuring implementing syslog centralization with rsyslog capabilities in your environment
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- When establishing security controls aligned to compliance requirements
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- When building or improving security architecture for this domain
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- When conducting security assessments that require this implementation
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## Prerequisites
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- Familiarity with security operations concepts and tools
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- Access to a test or lab environment for safe execution
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- Python 3.8+ with required dependencies installed
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- Appropriate authorization for any testing activities
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## Instructions
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1. Install dependencies: `pip install jinja2 paramiko`
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2. Generate TLS certificates for rsyslog server and clients using OpenSSL.
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3. Run the agent to generate rsyslog server and client configurations:
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- Server: TLS listener on port 6514, per-host directory output, JSON-format templates
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- Client: TLS forwarding with disk-assisted queues for reliability
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4. Deploy configurations to servers via SSH (paramiko).
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5. Validate TLS connectivity and log delivery.
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```bash
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python scripts/agent.py --server-ip 10.0.0.1 --clients 10.0.0.10,10.0.0.11 --ca-cert ca.pem --output syslog_report.json
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```
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## Examples
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### Server Configuration (TLS)
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```
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module(load="imtcp" StreamDriver.Name="gtls" StreamDriver.Mode="1"
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StreamDriver.Authmode="x509/name")
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input(type="imtcp" port="6514")
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template(name="PerHostLog" type="string" string="/var/log/remote/%HOSTNAME%/%PROGRAMNAME%.log")
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*.* ?PerHostLog
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```
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### Client Configuration (Reliable Forwarding)
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```
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action(type="omfwd" target="10.0.0.1" port="6514" protocol="tcp"
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StreamDriver="gtls" StreamDriverMode="1"
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StreamDriverAuthMode="x509/name"
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queue.type="LinkedList" queue.filename="fwdRule1"
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queue.maxdiskspace="1g" queue.saveonshutdown="on"
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action.resumeRetryCount="-1")
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```
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