diff --git a/etc/ssh/ssh_config b/etc/ssh/ssh_config new file mode 100644 index 0000000..22ed6b8 --- /dev/null +++ b/etc/ssh/ssh_config @@ -0,0 +1,53 @@ + +# This is the ssh client system-wide configuration file. See +# ssh_config(5) for more information. This file provides defaults for +# users, and the values can be changed in per-user configuration files +# or on the command line. + +# Configuration data is parsed as follows: +# 1. command line options +# 2. user-specific file +# 3. system-wide file +# Any configuration value is only changed the first time it is set. +# Thus, host-specific definitions should be at the beginning of the +# configuration file, and defaults at the end. + +# 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 no +# 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_* COLORTERM NO_COLOR + HashKnownHosts yes + GSSAPIAuthentication yes diff --git a/etc/ssh/ssh_config.d/20-systemd-ssh-proxy.conf b/etc/ssh/ssh_config.d/20-systemd-ssh-proxy.conf new file mode 100644 index 0000000..dbe4572 --- /dev/null +++ b/etc/ssh/ssh_config.d/20-systemd-ssh-proxy.conf @@ -0,0 +1,19 @@ +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Allow connecting to the local host directly via ".host" +Host .host machine/.host + ProxyCommand /usr/lib/systemd/systemd-ssh-proxy unix/run/ssh-unix-local/socket %p + ProxyUseFdpass yes + CheckHostIP no + +# Make sure unix/* and vsock/* can be used to connect to AF_UNIX and AF_VSOCK paths. +# Make sure machine/* can be used to connect to local machines registered in machined. +# +Host unix/* vsock/* machine/* + ProxyCommand /usr/lib/systemd/systemd-ssh-proxy %h %p + ProxyUseFdpass yes + CheckHostIP no + + # Disable all kinds of host identity checks, since these addresses are generally ephemeral. + StrictHostKeyChecking no + UserKnownHostsFile /dev/null diff --git a/etc/ssh/sshd_config b/etc/ssh/sshd_config new file mode 100644 index 0000000..a0bb4f3 --- /dev/null +++ b/etc/ssh/sshd_config @@ -0,0 +1,126 @@ + +# This is the sshd server system-wide configuration file. See +# sshd_config(5) for more information. + +# This sshd was compiled with PATH=/usr/local/bin:/usr/bin:/bin:/usr/games + +# The strategy used for options in the default sshd_config shipped with +# OpenSSH is to specify options with their default value where +# possible, but leave them commented. Uncommented options override the +# default value. + +#Include /etc/ssh/sshd_config.d/*.conf + +#Port 22 +#AddressFamily any +#ListenAddress 0.0.0.0 +#ListenAddress :: + +#HostKey /etc/ssh/ssh_host_rsa_key +#HostKey /etc/ssh/ssh_host_ecdsa_key +#HostKey /etc/ssh/ssh_host_ed25519_key + +# Ciphers and keying +#RekeyLimit default none + +# Logging +#SyslogFacility AUTH +#LogLevel INFO + +# Authentication: + +#LoginGraceTime 2m +#PermitRootLogin prohibit-password +#StrictModes yes +#MaxAuthTries 6 +#MaxSessions 10 + +#PubkeyAuthentication yes + +# Expect .ssh/authorized_keys2 to be disregarded by default in future. +#AuthorizedKeysFile .ssh/authorized_keys .ssh/authorized_keys2 + +#AuthorizedPrincipalsFile none + +#AuthorizedKeysCommand none +#AuthorizedKeysCommandUser nobody + +# For this to work you will also need host keys in /etc/ssh/ssh_known_hosts +#HostbasedAuthentication no +# Change to yes if you don't trust ~/.ssh/known_hosts for +# HostbasedAuthentication +#IgnoreUserKnownHosts no +# Don't read the user's ~/.rhosts and ~/.shosts files +#IgnoreRhosts yes + +# To disable tunneled clear text passwords, change to "no" here! +#PasswordAuthentication yes +#PermitEmptyPasswords no + +# Change to "yes" to enable keyboard-interactive authentication. Depending on +# the system's configuration, this may involve passwords, challenge-response, +# one-time passwords or some combination of these and other methods. +# Beware issues with some PAM modules and threads. +KbdInteractiveAuthentication no + +# Kerberos options +#KerberosAuthentication no +#KerberosOrLocalPasswd yes +#KerberosTicketCleanup yes +#KerberosGetAFSToken no + +# GSSAPI options +#GSSAPIAuthentication no +#GSSAPICleanupCredentials yes +#GSSAPIStrictAcceptorCheck yes +#GSSAPIKeyExchange no + +# Set this to 'yes' to enable PAM authentication, account processing, +# and session processing. If this is enabled, PAM authentication will +# be allowed through the KbdInteractiveAuthentication and +# PasswordAuthentication. Depending on your PAM configuration, +# PAM authentication via KbdInteractiveAuthentication may bypass +# the setting of "PermitRootLogin prohibit-password". +# If you just want the PAM account and session checks to run without +# PAM authentication, then enable this but set PasswordAuthentication +# and KbdInteractiveAuthentication to 'no'. +UsePAM yes + +#AllowAgentForwarding yes +#AllowTcpForwarding yes +#GatewayPorts no +X11Forwarding yes +#X11DisplayOffset 10 +#X11UseLocalhost yes +#PermitTTY yes +PrintMotd no +#PrintLastLog yes +#TCPKeepAlive yes +#PermitUserEnvironment no +#Compression delayed +#ClientAliveInterval 0 +#ClientAliveCountMax 3 +#UseDNS no +#PidFile /run/sshd.pid +#MaxStartups 10:30:100 +#PermitTunnel no +#ChrootDirectory none +#VersionAddendum none + +# no default banner path +#Banner none + +# Allow client to pass locale and color environment variables +AcceptEnv LANG LC_* COLORTERM NO_COLOR + +# override default of no subsystems +Subsystem sftp /usr/lib/openssh/sftp-server + +# Example of overriding settings on a per-user basis +#Match User anoncvs +# X11Forwarding no +# AllowTcpForwarding no +# PermitTTY no +# ForceCommand cvs server + +Include /etc/ssh/sshd_config.d/*.conf diff --git a/etc/ssh/sshd_config.d/sftp.conf b/etc/ssh/sshd_config.d/sftp.conf new file mode 100644 index 0000000..16c7431 --- /dev/null +++ b/etc/ssh/sshd_config.d/sftp.conf @@ -0,0 +1,11 @@ +Subsystem sftp internal-sftp + +Match Group sftp + PasswordAuthentication yes + PubkeyAuthentication yes + ForceCommand internal-sftp -u 0027 + ChrootDirectory %h + PermitTunnel no + AllowAgentForwarding no + AllowTcpForwarding no + X11Forwarding no \ No newline at end of file