Development discussion of WireGuard
 help / color / mirror / Atom feed
From: Eicke Herbertz <>
Subject: Invalid handshake initiation after peer reboot: bug?
Date: Fri, 21 Aug 2020 22:42:43 +0200
Message-ID: <> (raw)

[-- Attachment #1.1: Type: text/plain, Size: 1054 bytes --]


we are currently rolling out some OpenWrt devices that are clients to a
WireGuard VPN. Everything was normal while they were in-house, but since
they are in the customers network, we got issues.

The first connection succeeds, but after a reboot of the client, the
server logs an Invalid handshake initiation. A restart of the servers
WireGuard interfaces makes a connection possible again.

As we strongly suspected issues in the customers network, we waited
without checking at first – and apparently, it takes two to three hours
of invalid handshakes until some, yet unknown, thing happens that
enables the connection without restarting the interface.

Clients are running:
OpenWrt 19.07.3 (r11063-85e04e9f46)
Kernel 4.14.180
WireGuard 1.0.20200506

Server is running Kernel 5.8.2 with in-tree WireGuard.

I am unable to reproduce this in my home and company networks with
identical devices. Several other devices work fine as well. I am not
sure were to look and what to look for.

Any help is appreciated!

[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 833 bytes --]

             reply	other threads:[~2020-08-22 19:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-21 20:42 Eicke Herbertz [this message]
2020-08-22 19:11 ` Jason A. Donenfeld
2020-08-24 18:19   ` Eicke Herbertz

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Development discussion of WireGuard

This inbox may be cloned and mirrored by anyone:

	git clone --mirror

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V1 wireguard wireguard/ \
	public-inbox-index wireguard

Example config snippet for mirrors.
Newsgroup available over NNTP:

AGPL code for this site: git clone