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OpenAI•July 26, 2026
Fence
Open Source
CI/CD Security
GitHub Actions
Network Security
DevSecOps
### TL;DR
Fence is a security tool designed to harden CI/CD pipelines by enforcing bounded egress filtering and runner lockdown within GitHub Actions. It allows developers to restrict network access, disable passwordless sudo, and manage container permissions to reduce the attack surface of automated workflows.
Key Insights & Metrics
Pricing
Free & Open-Source
Cost structure
Version
0.9.1
Current release version
Hardware
GitHub-hosted x64 Linux runners (ubuntu-24.04 or ubuntu-latest)
Compute requirements
Category
Open Source
Licensing model
Region
United States
Primary region
Key Features
- Bounded network egress filtering
- Runner lockdown (disables passwordless sudo and Docker by default)
- Audit mode for policy tuning and activity logging
- Comprehensive network activity reports with JSON output
- Flexible allowlist for domain, IP, and CIDR destinations
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