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Ipsec guide Forcepoint IPsec Guide Forcepoint Web Security Cloud C ? Forcepoint All rights reserved -A Stonelake Blvd Quarry Oaks Suite Austin TX This document may not in whole or in part be copied photocopied reproduced translated or reduced to any elect

Forcepoint IPsec Guide Forcepoint Web Security Cloud C ? Forcepoint All rights reserved -A Stonelake Blvd Quarry Oaks Suite Austin TX This document may not in whole or in part be copied photocopied reproduced translated or reduced to any electronic medium or machinereadable form without prior consent in writing from Forcepoint Every e ?ort has been made to ensure the accuracy of this manual However Forcepoint makes no warranties with respect to this documentation and disclaims any implied warranties of merchantability and ?tness for a particular purpose Forcepoint LLC shall not be liable for any error or for incidental or consequential damages in connection with the furnishing performance or use of this manual or the examples herein The information in this documentation is subject to change without notice Trademarks Forcepoint and the FORCEPOINT logo are trademarks of Forcepoint Raytheon is a registered trademark of Raytheon Company All other trademarks used in this document are the property of their respective owners Document updated March CContents Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Chapter Introduction Supported devices Getting started Device authentication digital certi ?cate or PSK Con ?guration process Con ?guration steps Setup process ow chart Con ?guration checklist Next steps Generating device certi ?cates Using IPsec with the hybrid service Recommendations and best practices Limitations Troubleshooting Forcepoint IPsec Guide ? ??i CContents ii ?? ??Forcepoint Web Security Cloud C Introduction Forcepoint IPsec Guide Forcepoint Web Security Cloud March Forcepoint IPsec connectivity is used to securely forward tra ?c from your network ? s edge devices to the cloud service over a virtual private network VPN This guide introduces the basics of Forcepoint ? s IPsec solution and provides information on planning and deploying IPsec in your network Introduction to the Forcepoint IPsec solution Internet Protocol Security IPsec is an extension to the IP protocol that provides secure tra ?c tunneling by authenticating and encrypting information sent over a network Forcepoint IPsec supports transparent end user identi ?cation via NTLM allowing users to browse the Internet without explicitly providing logon credentials IPsec uses Authentication Headers AH to provide data origin authentication and Encapsulating Security Payload ESP to provide data con ?dentiality and integrity Tra ?c to the Forcepoint IPsec service can be fully encapsulated in tunnel mode providing complete tra ?c encryption Typical uses for the IPsec service include providing Forcepoint Web Security Cloud protection for Remote o ?ces Guest Wi-Fi networks Organizations that want to secure tra ?c sent to the cloud service Organizations that have dynamic egress IPs using IPsec with digital certi ?cate authentication Organizations that do not want a Group Policy Object GPO or browser con ?guration Organizations that are unable to or do not want to install an endpoint on client machines Organizations with a ??bring your own device ? policy Forcepoint IPsec Guide ? CIntroduction A typical site-to-site IPsec tunneling deployment is shown in the following diagram Bene ?ts Using IPsec to forward tra ?c to the cloud service can provide a number of bene