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David Crawshaw a6ad3c46e2 magicsock: spray some normal packets after a handshake In particular, this is designed to catch the case where a HandshakeInitiation packet is sent out but the intermediate NATs have not been primed, so the packet passes over DERP. In that case, the HandshakeResponse also comes back over DERP, and the connection proceeds via DERP without ever trying to punch through the NAT. With this change, the HandshakeResponse (which was sprayed out and so primed one NAT) triggers an UpdateDst, which triggers the extra spray logic. (For this to work, there has to be an initial supply of packets to send on to a peer for the three seconds following a handshake. The source of these packets is left as a future exercise.) Signed-off-by: David Crawshaw <crawshaw@tailscale.com>		4 years ago
.github	Remove the explicit security redirect.	4 years ago
atomicfile	Move Linux client & common packages into a public repo.	4 years ago
cmd	cmd/mkpkg: add flags for debian scripts.	4 years ago
control/controlclient	control/controlclient: fix priority of DERP server, add comment	4 years ago
derp	derp: fix JSON field typo, sort fields to make it easier to see inconsistencies	4 years ago
interfaces	interfaces, cmd/tsshd: move interface lookup from tsshd to its own package	4 years ago
ipn	ipn: use *Prefs rather than Prefs throughout.	4 years ago
logpolicy	logpolicy: automatically figure out paths and filenames.	4 years ago
logtail	logtail/filch: use x/sys/unix instead of syscall.	4 years ago
portlist	portlist: add a lint ignore for unused function.	4 years ago
ratelimit	Move Linux client & common packages into a public repo.	4 years ago
safesocket	safesocket: simplify API.	4 years ago
stun	Move Linux client & common packages into a public repo.	4 years ago
stunner	stunner: correct minor lint errors.	4 years ago
tailcfg	tailcfg: add RegisterRequest.Copy	4 years ago
tempfork/osexec	Move Linux client & common packages into a public repo.	4 years ago
testy	Move Linux client & common packages into a public repo.	4 years ago
types	derp: use new types/key package	4 years ago
version	version: tag redo-generated version as +build redo.	4 years ago
wgengine	magicsock: spray some normal packets after a handshake	4 years ago
.gitattributes	.gitattributes: add a smudge filter for go.mod.	4 years ago
.gitignore	cmd/relaynode: drop local --acl-file in favour of central packet filter.	4 years ago
AUTHORS	Move Linux client & common packages into a public repo.	4 years ago
CODE_OF_CONDUCT.md	Add a code of conduct.	4 years ago
Dockerfile	Dockerfile: install iptables in the container.	4 years ago
LICENSE	Move Linux client & common packages into a public repo.	4 years ago
PATENTS	Move Linux client & common packages into a public repo.	4 years ago
README.md	README.md: Fix typo on the word `versions`	4 years ago
SECURITY.md	Add a SECURITY.md for vulnerability reports.	4 years ago
go.mod	wgengine, magicsock: adjust for wireguard-go conn/device package split	4 years ago
go.sum	go.sum: update	4 years ago

README.md

Tailscale

https://tailscale.com

Private WireGuard® networks made easy

Overview

This repository contains all the open source Tailscale code. It currently includes the Linux client.

The Linux client is currently cmd/relaynode, but will soon be replaced by cmd/tailscaled.

Building

go install tailscale.com/cmd/tailscale{,d}

We only support the latest Go release and any Go beta or release candidate builds (currently Go 1.13.x or Go 1.14) in module mode. It might work in earlier Go versions or in GOPATH mode, but we're making no effort to keep those working.

Bugs

Please file any issues about this code or the hosted service on the issue tracker.

Contributing

under_construction.gif

PRs welcome, but we are still working out our contribution process and tooling.

We require Developer Certificate of Origin Signed-off-by lines in commits.

About Us

We are apenwarr, bradfitz, crawshaw, danderson, dfcarney, from Tailscale Inc. You can learn more about us from our website.

WireGuard is a registered trademark of Jason A. Donenfeld.