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Docker Socket Proxy

A security-enhanced proxy for the Docker socket that restricts access to specific API functions.

Description

The Docker Socket Proxy is a security-enhanced proxy server designed to control access to the Docker socket. It operates by intercepting requests to the Docker daemon, allowing or denying access based on configurable rules. This prevents unauthorized access to the Docker daemon and mitigates the risks associated with exposing the Docker socket directly. The proxy utilizes HAProxy for efficient request handling and filtering, allowing granular control over which Docker API functions are accessible to specific services. This approach enhances the security posture of Docker deployments, particularly in multi-tenant or shared environments.

Features

Acts as a reverse proxy for the Docker socket. Uses HAProxy for efficient request routing and filtering. Allows or denies requests based on configurable environment variables. Provides granular access control at the API level. Supports various Docker API versions. Handles requests with HTTP 403 responses when necessary. Uses an Alpine Linux based Docker image for a smaller footprint. Can be configured to work with different Docker socket locations.

Benefits

Enhanced security by restricting access to the Docker socket. Granular control over which API sections are accessible. Improved protection against unauthorized access and potential exploits. Easy to set up and configure using environment variables. Compatible with various Docker API versions. Supports different Docker socket locations. Open-source and community-driven, promoting transparency and collaboration.

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