Draft NIST Special Publication 800 -77 1 Revision 1 2 Guide to IPsec VPNs 3 4 5 Elaine Barker 6 Quynh Dang 7 Sheila Frankel 8 Karen Scarfone 9 Paul Wouters 10 11 12 13 14 15 This publication is available free of charge from: 16 https://doi.org/10.6028/ NIST.SP.800- 77r1-draft 17 18 19 C O M P U T E R S E C U R I T Y 20 21 22 Draft NIST Special Publication 800 -77 23 Revision 1 24 Guide to IPsec VPNs 25 26 Elaine Barker 27 Quynh Dang 28 Sheila Frankel 29 Computer Security Division 30 Information Technology Laboratory 31 32 Karen Scarfone 33 Scarfone Cybersecurity 34 Clifton, VA 35 36 Paul Wouters 37 No Hats Corporation 38 Toronto, ON, Canada 39 40 This publication is available free of charge from: 41 https://doi.org/10.6028/ NIST.SP.800- 77r1-draft 42 43 44 July 2019 45 46 47 48 49 50 U.S. Department of Commerce 51 Wilbur L. Ross, Jr., Secretary 52 53 National Institute of Standards and Technology 54 Walter Copan , NIST Director and Under Secretary of Commerce for Standards and Technology 55 Authority 56 This publication has been developed by NIST in accordance with its statutory responsibilities under the 57 Federal Information Security M odernization Act (FISMA) of 2014 , 44 U.S.C. § 355 1 et seq. , Public Law 58 (P.L.) 113 -283. NIST is responsible for developing information security standards and guidelines, incl uding 59 minimum re quirements for federal information systems, but such standards and guidelines shall not apply 60 to national security systems without the e xpress approval of appropriate f ederal officials exercising policy 61 authority over such systems. This guideline is consistent with the requirements of the Office of Management 62 and Budget (OMB) Circular A -130. 63 Nothing in this publication should be taken to contradict the standards and guidelines made mandatory and 64 binding on f ederal agencies by the Secretary of Commerce under statutory authority. Nor should these 65 guidelines be interpreted as altering or superseding the existing authorities of the Secretary of Commerce, 66 Director of the OMB, or any other f ederal official. This publication may be used by nongovernmental 67 organiza tions on a voluntary basis and is not subject to copyright in the United States. Attribution would, 68 however, be appreciated by NIST. 69 National Institute of Standards and Technology Special Publication 800-77 Revision 1 70 Natl. Inst. Stand. Technol. Spec. Pu bl. 800- 77 Rev. 1, 161 pages ( July 2019) 71 CODEN: NSPUE2 72 This publication is available free of charge from: 73 https://doi.org/10.6028/ NIST.SP.800 -77r1-draft 74 Certain commercial entities, equipment, or materials may be identified in this document in order to describe an 75 experimental procedure or concept adequately. Such identification is not int ended to imply recommendation or 76 endorsement by NIST, nor is it intended to imply that the entities, materials, or equipment are necessarily the best 77 available for the purpose. 78 There may be references in this publication to other publications currently under development by NIST in accordance 79 with its assigned statutory responsibilities. The information in this publication, including concepts and methodologies, 80 may be used by f ederal agencies even before the completion of such companion publications. Thus , until each 81 publication is completed, current requirements, guideline s, and procedures, where they exist, remain operative. For 82 planning and transition purposes, f ederal agencies may wish to closely follow the development of these new 83 publications by NIST . 84 Organizations are encouraged to review all draft publications during public comment periods and provide feedback to 85 NIST. Many NIST cybersecurity publications , ot her than the ones noted above, are available at 86 https://csrc.nist.gov/public