<?xml version="1.0"?> <!--SSH configuration --> <interfaceDefinition> <node name="service"> <children> <node name="ssh" owner="${vyos_conf_scripts_dir}/ssh.py"> <properties> <help>Secure SHell (SSH) protocol</help> <priority>500</priority> </properties> <children> <node name="access-control"> <properties> <help>SSH user/group access controls. Directives are processed in the following order: deny-users, allow-users, deny-groups and allow-groups.</help> </properties> <children> <node name="allow"> <properties> <help>Allow user/group SSH access</help> </properties> <children> <leafNode name="group"> <properties> <help>Allow members of a group to login</help> <constraint> <regex>^[a-z_][a-z0-9_-]{1,31}[$]?</regex> </constraint> <constraintErrorMessage>illegal characters or more than 32 characters</constraintErrorMessage> <multi/> </properties> </leafNode> <leafNode name="user"> <properties> <help>Allow specific users to login</help> <constraint> <regex>^[a-z_][a-z0-9_-]{1,31}[$]?</regex> </constraint> <constraintErrorMessage>illegal characters or more than 32 characters</constraintErrorMessage> <multi/> </properties> </leafNode> </children> </node> <node name="deny"> <properties> <help>Deny user/group SSH access</help> </properties> <children> <leafNode name="group"> <properties> <help>Disallow members of a group to login</help> <constraint> <regex>^[a-z_][a-z0-9_-]{1,31}[$]?</regex> </constraint> <constraintErrorMessage>illegal characters or more than 32 characters</constraintErrorMessage> <multi/> </properties> </leafNode> <leafNode name="user"> <properties> <help>Disallow specific users to login</help> <constraint> <regex>^[a-z_][a-z0-9_-]{1,31}[$]?</regex> </constraint> <constraintErrorMessage>illegal characters or more than 32 characters</constraintErrorMessage> <multi/> </properties> </leafNode> </children> </node> </children> </node> <leafNode name="ciphers"> <properties> <help>Allowed ciphers</help> <completionHelp> <script>ssh -Q cipher | tr '\n' ' '</script> </completionHelp> <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> <leafNode name="key-exchange"> <properties> <help>Allowed key exchange (KEX) algorithms</help> <completionHelp> <script>ssh -Q kex | tr '\n' ' '</script> </completionHelp> <multi/> </properties> </leafNode> <leafNode name="listen-address"> <properties> <help>Local addresses SSH service should listen on</help> <valueHelp> <format>ipv4</format> <description>IP address to listen for incoming connections</description> </valueHelp> <valueHelp> <format>ipv6</format> <description>IPv6 address to listen for incoming connections</description> </valueHelp> <multi/> <constraint> <validator name="ipv4-address"/> <validator name="ipv6-address"/> </constraint> </properties> </leafNode> <leafNode name="loglevel"> <properties> <help>Log level</help> <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> </properties> </leafNode> <leafNode name="mac"> <properties> <help>Allowed message authentication code (MAC) algorithms</help> <completionHelp> <script>ssh -Q mac | tr '\n' ' '</script> </completionHelp> <multi/> </properties> </leafNode> <leafNode name="port"> <properties> <help>Port for SSH service</help> <valueHelp> <format>1-65535</format> <description>Numeric IP port</description> </valueHelp> <multi/> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> </leafNode> <leafNode name="client-keepalive-interval"> <properties> <help>how often send keep alives in seconds</help> <constraint> <validator name="numeric" argument="--range 1-65535"/> </constraint> </properties> </leafNode> </children> </node> </children> </node> </interfaceDefinition>