<?xml version="1.0"?> <interfaceDefinition> <node name="service"> <properties> <help>System services</help> </properties> <children> <node name="ssh" owner="${vyos_conf_scripts_dir}/ssh.py"> <properties> <help>Secure Shell (SSH)</help> <priority>1000</priority> </properties> <children> <node name="access-control"> <properties> <help>SSH user/group access controls</help> </properties> <children> <node name="allow"> <properties> <help>Allow user/group SSH access</help> </properties> <children> #include <include/ssh-group.xml.i> #include <include/ssh-user.xml.i> </children> </node> <node name="deny"> <properties> <help>Deny user/group SSH access</help> </properties> <children> #include <include/ssh-group.xml.i> #include <include/ssh-user.xml.i> </children> </node> </children> </node> <leafNode name="ciphers"> <properties> <help>Allowed ciphers</help> <completionHelp> <!-- generated by ssh -Q cipher | tr '\n' ' ' as this will not change dynamically --> <list>3des-cbc aes128-cbc aes192-cbc aes256-cbc rijndael-cbc@lysator.liu.se aes128-ctr aes192-ctr aes256-ctr aes128-gcm@openssh.com aes256-gcm@openssh.com chacha20-poly1305@openssh.com</list> </completionHelp> <constraint> <regex>(3des-cbc|aes128-cbc|aes192-cbc|aes256-cbc|rijndael-cbc@lysator.liu.se|aes128-ctr|aes192-ctr|aes256-ctr|aes128-gcm@openssh.com|aes256-gcm@openssh.com|chacha20-poly1305@openssh.com)</regex> </constraint> <multi/> </properties> </leafNode> <leafNode name="disable-host-validation"> <properties> <help>Disable IP Address to Hostname lookup</help> <valueless/> </properties> </leafNode> <leafNode name="disable-password-authentication"> <properties> <help>Disable password-based authentication</help> <valueless/> </properties> </leafNode> <node name="dynamic-protection"> <properties> <help>Allow dynamic protection</help> </properties> <children> <leafNode name="block-time"> <properties> <help>Block source IP in seconds. Subsequent blocks increase by a factor of 1.5</help> <valueHelp> <format>u32:1-65535</format> <description>Time interval in seconds for blocking</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> <defaultValue>120</defaultValue> </leafNode> <leafNode name="detect-time"> <properties> <help>Remember source IP in seconds before reset their score</help> <valueHelp> <format>u32:1-65535</format> <description>Time interval in seconds</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> <defaultValue>1800</defaultValue> </leafNode> <leafNode name="threshold"> <properties> <help>Block source IP when their cumulative attack score exceeds threshold</help> <valueHelp> <format>u32:1-65535</format> <description>Threshold score</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> <defaultValue>30</defaultValue> </leafNode> <leafNode name="allow-from"> <properties> <help>Always allow inbound connections from these systems</help> <valueHelp> <format>ipv4</format> <description>Address to match against</description> </valueHelp> <valueHelp> <format>ipv4net</format> <description>IPv4 address and prefix length</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>IPv6 address to match against</description> </valueHelp> <valueHelp> <format>ipv6net</format> <description>IPv6 address and prefix length</description> </valueHelp> <constraint> <validator name="ip-address"/> <validator name="ip-prefix"/> </constraint> <multi/> </properties> </leafNode> </children> </node> <leafNode name="hostkey-algorithm"> <properties> <help>Allowed host key signature algorithms</help> <completionHelp> <!-- generated by ssh -Q HostKeyAlgorithms | tr '\n' ' ' as this will not change dynamically --> <list>ssh-ed25519 ssh-ed25519-cert-v01@openssh.com sk-ssh-ed25519@openssh.com sk-ssh-ed25519-cert-v01@openssh.com ssh-rsa rsa-sha2-256 rsa-sha2-512 ssh-dss ecdsa-sha2-nistp256 ecdsa-sha2-nistp384 ecdsa-sha2-nistp521 sk-ecdsa-sha2-nistp256@openssh.com webauthn-sk-ecdsa-sha2-nistp256@openssh.com ssh-rsa-cert-v01@openssh.com rsa-sha2-256-cert-v01@openssh.com rsa-sha2-512-cert-v01@openssh.com ssh-dss-cert-v01@openssh.com ecdsa-sha2-nistp256-cert-v01@openssh.com ecdsa-sha2-nistp384-cert-v01@openssh.com ecdsa-sha2-nistp521-cert-v01@openssh.com sk-ecdsa-sha2-nistp256-cert-v01@openssh.com</list> </completionHelp> <multi/> <constraint> <regex>(ssh-ed25519|ssh-ed25519-cert-v01@openssh.com|sk-ssh-ed25519@openssh.com|sk-ssh-ed25519-cert-v01@openssh.com|ssh-rsa|rsa-sha2-256|rsa-sha2-512|ssh-dss|ecdsa-sha2-nistp256|ecdsa-sha2-nistp384|ecdsa-sha2-nistp521|sk-ecdsa-sha2-nistp256@openssh.com|webauthn-sk-ecdsa-sha2-nistp256@openssh.com|ssh-rsa-cert-v01@openssh.com|rsa-sha2-256-cert-v01@openssh.com|rsa-sha2-512-cert-v01@openssh.com|ssh-dss-cert-v01@openssh.com|ecdsa-sha2-nistp256-cert-v01@openssh.com|ecdsa-sha2-nistp384-cert-v01@openssh.com|ecdsa-sha2-nistp521-cert-v01@openssh.com|sk-ecdsa-sha2-nistp256-cert-v01@openssh.com)</regex> </constraint> </properties> </leafNode> <leafNode name="key-exchange"> <properties> <help>Allowed key exchange (KEX) algorithms</help> <completionHelp> <!-- generated by ssh -Q kex | tr '\n' ' ' as this will not change dynamically --> <list>diffie-hellman-group1-sha1 diffie-hellman-group14-sha1 diffie-hellman-group14-sha256 diffie-hellman-group16-sha512 diffie-hellman-group18-sha512 diffie-hellman-group-exchange-sha1 diffie-hellman-group-exchange-sha256 ecdh-sha2-nistp256 ecdh-sha2-nistp384 ecdh-sha2-nistp521 curve25519-sha256 curve25519-sha256@libssh.org</list> </completionHelp> <multi/> <constraint> <regex>(diffie-hellman-group1-sha1|diffie-hellman-group14-sha1|diffie-hellman-group14-sha256|diffie-hellman-group16-sha512|diffie-hellman-group18-sha512|diffie-hellman-group-exchange-sha1|diffie-hellman-group-exchange-sha256|ecdh-sha2-nistp256|ecdh-sha2-nistp384|ecdh-sha2-nistp521|curve25519-sha256|curve25519-sha256@libssh.org)</regex> </constraint> </properties> </leafNode> #include <include/listen-address.xml.i> <leafNode name="loglevel"> <properties> <help>Log level</help> <completionHelp> <list>quiet fatal error info verbose</list> </completionHelp> <valueHelp> <format>quiet</format> <description>stay silent</description> </valueHelp> <valueHelp> <format>fatal</format> <description>log fatals only</description> </valueHelp> <valueHelp> <format>error</format> <description>log errors and fatals only</description> </valueHelp> <valueHelp> <format>info</format> <description>default log level</description> </valueHelp> <valueHelp> <format>verbose</format> <description>enable logging of failed login attempts</description> </valueHelp> <constraint> <regex>(quiet|fatal|error|info|verbose)</regex> </constraint> </properties> <defaultValue>info</defaultValue> </leafNode> <leafNode name="mac"> <properties> <help>Allowed message authentication code (MAC) algorithms</help> <completionHelp> <!-- generated by ssh -Q mac | tr '\n' ' ' as this will not change dynamically --> <list>hmac-sha1 hmac-sha1-96 hmac-sha2-256 hmac-sha2-512 hmac-md5 hmac-md5-96 umac-64@openssh.com umac-128@openssh.com hmac-sha1-etm@openssh.com hmac-sha1-96-etm@openssh.com hmac-sha2-256-etm@openssh.com hmac-sha2-512-etm@openssh.com hmac-md5-etm@openssh.com hmac-md5-96-etm@openssh.com umac-64-etm@openssh.com umac-128-etm@openssh.com</list> </completionHelp> <constraint> <regex>(hmac-sha1|hmac-sha1-96|hmac-sha2-256|hmac-sha2-512|hmac-md5|hmac-md5-96|umac-64@openssh.com|umac-128@openssh.com|hmac-sha1-etm@openssh.com|hmac-sha1-96-etm@openssh.com|hmac-sha2-256-etm@openssh.com|hmac-sha2-512-etm@openssh.com|hmac-md5-etm@openssh.com|hmac-md5-96-etm@openssh.com|umac-64-etm@openssh.com|umac-128-etm@openssh.com)</regex> </constraint> <multi/> </properties> </leafNode> <leafNode name="port"> <properties> <help>Port for SSH service</help> <valueHelp> <format>u32:1-65535</format> <description>Numeric IP port</description> </valueHelp> <multi/> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> <defaultValue>22</defaultValue> </leafNode> <node name="rekey"> <properties> <help>SSH session rekey limit</help> </properties> <children> <leafNode name="data"> <properties> <help>Threshold data in megabytes</help> <valueHelp> <format>u32:1-65535</format> <description>Megabytes</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> </leafNode> <leafNode name="time"> <properties> <help>Threshold time in minutes</help> <valueHelp> <format>u32:1-65535</format> <description>Minutes</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> </leafNode> </children> </node> <leafNode name="client-keepalive-interval"> <properties> <help>Enable transmission of keepalives from server to client</help> <valueHelp> <format>u32:1-65535</format> <description>Time interval in seconds for keepalive message</description> </valueHelp> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> </leafNode> #include <include/interface/vrf.xml.i> </children> </node> </children> </node> </interfaceDefinition>