looks like this:
# Site-wide defaults for some commonly used options. For
a comprehensive
# list of available options, their meanings and defaults, please
see the
# ssh_config(5) man page.
#Include /etc/ssh/ssh_config.d/*.conf
Host *
# ForwardAgent no
# ForwardX11 no
# ForwardX11Trusted yes
# PasswordAuthentication yes
# HostbasedAuthentication no
# GSSAPIAuthentication no
# GSSAPIDelegateCredentials no
# GSSAPIKeyExchange no
# GSSAPITrustDNS no
# BatchMode no
# CheckHostIP yes
# AddressFamily any
# ConnectTimeout 0
# StrictHostKeyChecking ask
# IdentityFile ~/.ssh/id_rsa
# IdentityFile ~/.ssh/id_dsa
# IdentityFile ~/.ssh/id_ecdsa
# IdentityFile ~/.ssh/id_ed25519
# Port 22
# Ciphers aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,3des-cbc
# MACs hmac-md5,hmac-sha1,umac-64@openssh.com
# EscapeChar ~
# Tunnel no
# TunnelDevice any:any
# PermitLocalCommand no
# VisualHostKey no
# ProxyCommand ssh -q -W %h:%p gateway.example.com
# RekeyLimit 1G 1h
# UserKnownHostsFile ~/.ssh/known_hosts.d/%k
SendEnv LANG LC_*
HashKnownHosts yes
GSSAPIAuthentication yes
And without changing this default ssh looks into the non-existing directory ~/.ssh/known_hosts.d/%k!
There is another bug in the default settings:
Without adding "hmac-sha2-256" this way "MACs hmac-md5,hmac-sha1,hmac-sha2-256,umac-64@openssh.com" ssh does not connect to any of my own sshd servers on Debian 10, Ubuntu 18.04 and 20.04 and Oracle Linux 8. This change I have to make for this openssh-client on Debian 11 only.
This bug needs to be reopened.
FMF