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<?xml version="1.0"?>
<interfaceDefinition>
<node name="system">
<children>
<node name="conntrack" owner="${vyos_conf_scripts_dir}/conntrack.py">
<properties>
<help>Connection Tracking Engine Options</help>
<!-- Before NAT and conntrack-sync are configured -->
<priority>218</priority>
</properties>
<children>
<leafNode name="expect-table-size">
<properties>
<help>Size of connection tracking expect table</help>
<valueHelp>
<format>u32:1-50000000</format>
<description>Number of entries allowed in connection tracking expect table</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-50000000"/>
</constraint>
</properties>
<defaultValue>2048</defaultValue>
</leafNode>
<leafNode name="hash-size">
<properties>
<help>Hash size for connection tracking table</help>
<valueHelp>
<format>u32:1-50000000</format>
<description>Size of hash to use for connection tracking table</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-50000000"/>
</constraint>
</properties>
<defaultValue>32768</defaultValue>
</leafNode>
<node name="modules">
<properties>
<help>Connection tracking modules</help>
</properties>
<children>
<leafNode name="ftp">
<properties>
<help>FTP connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="h323">
<properties>
<help>H.323 connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="nfs">
<properties>
<help>NFS connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="pptp">
<properties>
<help>PPTP connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="sip">
<properties>
<help>SIP connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="sqlnet">
<properties>
<help>SQLnet connection tracking</help>
<valueless/>
</properties>
</leafNode>
<leafNode name="tftp">
<properties>
<help>TFTP connection tracking</help>
<valueless/>
</properties>
</leafNode>
</children>
</node>
<leafNode name="table-size">
<properties>
<help>Size of connection tracking table</help>
<valueHelp>
<format>u32:1-50000000</format>
<description>Number of entries allowed in connection tracking table</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-50000000"/>
</constraint>
</properties>
<defaultValue>262144</defaultValue>
</leafNode>
<node name="tcp">
<properties>
<help>TCP options</help>
</properties>
<children>
<leafNode name="half-open-connections">
<properties>
<help>Maximum number of TCP half-open connections</help>
<valueHelp>
<format>u32:1-2147483647</format>
<description>Generic connection timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-2147483647"/>
</constraint>
</properties>
<defaultValue>512</defaultValue>
</leafNode>
<leafNode name="loose">
<properties>
<help>Policy to track previously established connections</help>
<completionHelp>
<list>enable disable</list>
</completionHelp>
<valueHelp>
<format>enable</format>
<description>Allow tracking of previously established connections</description>
</valueHelp>
<valueHelp>
<format>disable</format>
<description>Do not allow tracking of previously established connections</description>
</valueHelp>
<constraint>
<regex>^(enable|disable)$</regex>
</constraint>
</properties>
<defaultValue>enable</defaultValue>
</leafNode>
<leafNode name="max-retrans">
<properties>
<help>TCP maximum retransmit attempts</help>
<valueHelp>
<format>u32:1-2147483647</format>
<description>Generic connection timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-2147483647"/>
</constraint>
</properties>
<defaultValue>3</defaultValue>
</leafNode>
</children>
</node>
<node name="timeout">
<properties>
<help>Connection timeout options</help>
</properties>
<children>
<leafNode name="icmp">
<properties>
<help>ICMP timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>ICMP timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>30</defaultValue>
</leafNode>
<leafNode name="other">
<properties>
<help>Generic connection timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>Generic connection timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>600</defaultValue>
</leafNode>
<node name="tcp">
<properties>
<help>TCP connection timeout options</help>
</properties>
<children>
<leafNode name="close-wait">
<properties>
<help>TCP CLOSE-WAIT timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP CLOSE-WAIT timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>60</defaultValue>
</leafNode>
<leafNode name="close">
<properties>
<help>TCP CLOSE timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP CLOSE timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>10</defaultValue>
</leafNode>
<leafNode name="established">
<properties>
<help>TCP ESTABLISHED timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP ESTABLISHED timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>432000</defaultValue>
</leafNode>
<leafNode name="fin-wait">
<properties>
<help>TCP FIN-WAIT timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP FIN-WAIT timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>120</defaultValue>
</leafNode>
<leafNode name="last-ack">
<properties>
<help>TCP LAST-ACK timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP LAST-ACK timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>30</defaultValue>
</leafNode>
<leafNode name="syn-recv">
<properties>
<help>TCP SYN-RECEIVED timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP SYN-RECEIVED timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>60</defaultValue>
</leafNode>
<leafNode name="syn-sent">
<properties>
<help>TCP SYN-SENT timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP SYN-SENT timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>120</defaultValue>
</leafNode>
<leafNode name="time-wait">
<properties>
<help>TCP TIME-WAIT timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>TCP TIME-WAIT timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>120</defaultValue>
</leafNode>
</children>
</node>
<node name="udp">
<properties>
<help>UDP timeout options</help>
</properties>
<children>
<leafNode name="other">
<properties>
<help>UDP generic timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>UDP generic timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>30</defaultValue>
</leafNode>
<leafNode name="stream">
<properties>
<help>UDP stream timeout in seconds</help>
<valueHelp>
<format>u32:1-21474836</format>
<description>UDP stream timeout in seconds</description>
</valueHelp>
<constraint>
<validator name="numeric" argument="--range 1-21474836"/>
</constraint>
</properties>
<defaultValue>180</defaultValue>
</leafNode>
</children>
</node>
</children>
</node>
</children>
</node>
</children>
</node>
</interfaceDefinition>
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