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<?xml version="1.0" encoding="utf-8"?>
<service>
  <short>IPsec</short>
  <description>Internet Protocol Security (IPsec) incorporates
security for network transmissions directly into the Internet Protocol
(IP). IPsec provides methods for both encrypting data and authentication
for the host or network it sends to. If you plan to use a vpnc server or
FreeS/WAN, do not disable this option.</description>
  <port protocol="ah" port=""/>
  <port protocol="esp" port=""/>
  <port protocol="udp" port="500"/>
  <port protocol="udp" port="4500"/>
</service>