SPF is a fast and secure TCP/UDP proxy that simplifies hosting websites from home without the complexities of Cloudflare or static IPs. Designed as a powerful alternative to traditional proxy tools, it enables users to set up a reliable network gateway with minimal configuration. Ideal for developers looking for a streamlined solution.
SPF - Simplest TCP Proxy
SPF is a powerful and lightweight TCP/UDP proxy designed for security and performance. This beta version (v1.0.1) serves as a straightforward alternative to established tools like rinetd, socat, and Cloudflare Tunnel, facilitating seamless access to home-hosted applications without complex configurations.
spf relay mysite.com
spf expose 3000 --relay mysite.com
https://myapp.mysite.com.SPF operates through a robust architecture accommodating clients, backend services, and security checks to manage traffic dynamically and securely.
The primary use case for SPF is hosting a web application from a local network while overcoming ISP restrictions, CGNAT, and dynamic IP issues.
A low-cost VPS can be utilized to establish a secure, outbound tunnel to facilitate user access to local applications.
SPF offers a comprehensive CLI to manage connections, configure rules, log activities, and integrate custom security functionalities seamlessly. Here are some functionality examples:
# Basic forwarding example
spf -f 8080:backend.example.com:80
# Secure TLS forwarding
spf -f 443:10.0.0.1:8080 -c cert.pem -k key.pem
With SPF, users gain a reliable tool for managing TCP connections with enterprise-level security features, all while keeping control over their traffic without incurring unnecessary costs or complexities. This makes SPF an ideal solution for developers and administrators seeking an uncomplicated yet powerful networking tool.
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