From a8a3f5de592f5e263d2bcb90022cffdff56348fd Mon Sep 17 00:00:00 2001
From: RealStickman <mrc@frm01.net>
Date: Thu, 5 Jan 2023 12:44:10 +0100
Subject: [PATCH] Add note about "no matching host key type" error

---
 pages/04.other/ssh/default.en.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pages/04.other/ssh/default.en.md b/pages/04.other/ssh/default.en.md
index bd07194..d394cb5 100644
--- a/pages/04.other/ssh/default.en.md
+++ b/pages/04.other/ssh/default.en.md
@@ -39,6 +39,16 @@ no -> Only allow ssh keys
 
 On OpenBSD also set `KbdInteractiveAuthentication` to `no`  
 
+## Options
+
+### No matching host key type found
+
+Full error message:  
+`Unable to negotiate with <host> port <port>: no matching host key type found. Their offer: <comma separated list of host keys>`
+
+This happens, when a host key is used that has been deprecated in the locally installed ssh client.  
+Use the option `-oHostKeyAlgorithms=+<host key type>` with ssh to connect regardless.
+
 ## Windows Server
 Open PowerShell as administrator  
 `Add-WindowsCapability -Online -Name OpenSSH.Server`