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Integrating encryption layers directly into raw socket communication to protect link-layer traffic.
Distinct from Secure Socket Wrappers: Applies encryption to raw link-layer packets rather than standard transport-layer socket wrappers.
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udp2raw is a network tunneling tool designed to bypass firewalls and obfuscate UDP traffic. It wraps UDP packets in alternative headers and utilizes raw socket networking to move data through networks that otherwise block or throttle UDP traffic. The project distinguishes itself by simulating TCP connections, mimicking the three-way handshake and sequence numbering to trick firewalls into treating UDP streams as TCP traffic. It further stabilizes these connections through heartbeat-driven port rotation, which automatically switches ports to recover sessions after detected failures. The tool
Sends encrypted data packets at the link level to bypass system firewalls and socket limitations.