// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Package derpmap contains information about Tailscale.com's production DERP nodes. package derpmap import ( "fmt" "strings" "tailscale.com/tailcfg" ) func derpNode(suffix, v4, v6 string) *tailcfg.DERPNode { return &tailcfg.DERPNode{ Name: suffix, // updated later RegionID: 0, // updated later IPv4: v4, IPv6: v6, } } func derpRegion(id int, code, name string, nodes ...*tailcfg.DERPNode) *tailcfg.DERPRegion { region := &tailcfg.DERPRegion{ RegionID: id, RegionName: name, RegionCode: code, Nodes: nodes, } for _, n := range nodes { n.Name = fmt.Sprintf("%d%s", id, n.Name) n.RegionID = id n.HostName = fmt.Sprintf("derp%s.tailscale.com", strings.TrimSuffix(n.Name, "a")) } return region } // Prod returns Tailscale's map of relay servers. // // This list is only used by cmd/tailscale's netcheck subcommand. In // normal operation the Tailscale nodes get this sent to them from the // control server. // // This list is subject to change and should not be relied on. func Prod() *tailcfg.DERPMap { return &tailcfg.DERPMap{ Regions: map[int]*tailcfg.DERPRegion{ 1: derpRegion(1, "nyc", "New York City", derpNode("a", "159.89.225.99", "2604:a880:400:d1::828:b001"), ), 2: derpRegion(2, "sfo", "San Francisco", derpNode("a", "167.172.206.31", "2604:a880:2:d1::c5:7001"), ), 3: derpRegion(3, "sin", "Singapore", derpNode("a", "68.183.179.66", "2400:6180:0:d1::67d:8001"), ), 4: derpRegion(4, "fra", "Frankfurt", derpNode("a", "167.172.182.26", "2a03:b0c0:3:e0::36e:9001"), ), 5: derpRegion(5, "syd", "Sydney", derpNode("a", "103.43.75.49", "2001:19f0:5801:10b7:5400:2ff:feaa:284c"), ), }, } }