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14 lines
597 B
Go
14 lines
597 B
Go
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// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package derp implements DERP, the Detour Encrypted Routing Protocol.
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//
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// DERP routes packets to clients using curve25519 keys as addresses.
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//
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// DERP is used by Tailscale nodes to proxy encrypted WireGuard
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// packets through the Tailscale cloud servers when a direct path
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// cannot be found or opened. DERP is a last resort. Both sides
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// between very aggressive NATs, firewalls, no IPv6, etc? Well, DERP.
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package derp
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