3proxy/3proxy

Features

• HTTP Proxies - Acts as a web gateway that handles HTTP requests and provides TLS decryption for encrypted web traffic.
• SOCKS Proxies - Provides a SOCKS proxy server for routing TCP and UDP traffic to bypass network restrictions.
• Traffic Routing - Proxies web requests and supports tunneling other TCP-based protocols over HTTPS.
• Access Control Lists - Provides rule-based access control lists to filter network traffic based on IP addresses, usernames, and ports.
• Multi-Protocol Network Servers - Routes TCP and UDP traffic across HTTP, SOCKS, and various email and file protocols in a lightweight server.
• Network Port Forwarding - Maps local TCP and UDP ports to redirect incoming network connections to specified remote destinations.
• TCP Connection Forwarding - Redirects incoming traffic from a local TCP port to a specified remote destination port.
• Network Interface Bindings - Assigns specific internal and external IP addresses to control which interfaces accept or initiate connections.
• Network Traffic Routing - Redirects TCP and UDP requests between clients and servers using various proxy and port-mapping protocols.
• Port Forwarding - Maps TCP and UDP ports to redirect network traffic from local listeners to remote destinations.
• SMTP Traffic Forwarders - Provides dedicated routing for SMTP requests from internal users to external email servers.
• Proxy Chaining - Routes outbound traffic through a sequence of upstream proxies to hide the original source.
• Protocol-Based Routing Rules - Forwards TCP and UDP traffic using SOCKS protocols to enable access to remote resources.
• TCP and UDP Forwarders - Routes raw TCP and UDP traffic between clients and servers via local port mapping.
• Network Access Control - Functions as a security layer enforcing policies to regulate traffic flow based on IP, identity, and ACLs.
• Network Traffic Filtering - Blocks or redirects network traffic based on source networks, ports, usernames, and request methods.
• Policy-Based Access Control - Enforces security permissions based on policies involving usernames, IP addresses, ports, and time of day.
• Proxy Authentication - Enforces user authentication using passwords or network names to control access to the proxy service.
• Traffic Inspection Tools - Provides capabilities for intercepting and decrypting TLS traffic using certificate spoofing for stream inspection.
• Network Stream Rewriting - Uses regular expressions to match and modify network payloads and headers in real-time.
• Data Throughput Optimizers - Optimizes high-bandwidth transfer performance using TCP data splicing and algorithm suppression.
• Bandwidth Limiters - Caps the transfer speed and total data volume for users to prevent network resource exhaustion.
• Per-Protocol Connection Limiters - Caps the number of simultaneous connections per service to prevent resource exhaustion and denial-of-service attacks.
• Content-Type Filtering - Blocks server responses based on specific MIME types or content-type headers to control data delivery.
• Proxy DNS Routers - Handles DNS proxying and caching with a built-in resolver and support for DNS-over-TCP.
• Payload Rewriters - Replaces text patterns in data streams with alternative strings to modify or censor content in real-time.
• Pattern-Based Content Filtering - Blocks or modifies network data in both directions using regular expression matches in headers and payloads.
• Per-User Transfer Quotas - Implements data transfer rates and total volume quotas for users or destinations over specified periods.
• Protocol-Specific Routing - Forwards requests from internal users to external FTP servers for both proxy-aware and non-aware clients.
• TLS Termination - Handles TLS termination at the proxy layer to decrypt and inspect secure streams before re-encrypting them.
• SNI Routing - Redirects secure connections to a destination host based on the Server Name Indication in the TLS handshake.
• Regex-Based Request Modifications - Modifies client requests and headers using regular expressions to enforce policies or change content.
• HTTPS Decryption Proxies - Decrypts HTTPS traffic using a custom authority certificate for inspection and modification.
• POP3 - Forwards email requests to external servers by extracting the destination address from user credentials.
• Dynamic Library Loading - Supports loading external shared libraries at runtime to inject custom logic into the data processing pipeline.
• Mutual TLS Authentication - Intercepts secure connections and provides mutual authentication for both client and upstream links.
• Identity Anonymization - Obscures the original source of requests by routing outbound traffic through recursive proxy chains.
• Payload-Based Traffic Filtering - Filters network traffic by inspecting and modifying request headers and payloads using regular expressions.
• RADIUS Authentication - Delegates user authentication and IP assignment to external RADIUS servers for scalable access management.
• Connection Limiters - Prevents network resource exhaustion by capping data transfer speeds, volume quotas, and simultaneous connections.
• Traffic Management Decryptors - Handles encrypted connections using server name sniffing and certificate-based decryption to manage secure data flow.
• Extensible Plugin Architectures - Implements an extensible architecture that loads external libraries to add specialized logic to the data pipeline.
• Network Traffic Logs - Provides persistent storage and management of intercepted network request and response data.
• Network Activity Archiving - Records connection data and network events to files or databases with automatic rotation for auditing.
• Systems And Services - Listed in the “Systems And Services” section of the The Book Of Secret Knowledge awesome list.
• Networking and Communication - Tiny, free proxy server.

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