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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
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<TITLE>Introduction to FreeS/WAN</TITLE>
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<A HREF="toc.html">Contents</A>
<A HREF="biblio.html">Previous</A>
<A HREF="roadmap.html">Next</A>
<HR>
<H1><A name="RFC">IPsec RFCs and related documents</A></H1>
<H2><A name="RFCfile">The RFCs.tar.gz Distribution File</A></H2>
<P>The Linux FreeS/WAN distribution is available from<A href="http://www.xs4all.nl/~freeswan">
our primary distribution site</A> and various mirror sites. To give
people more control over their downloads, the RFCs that define IP
security are bundled separately in the file RFCs.tar.gz.</P>
<P>The file you are reading is included in the main distribution and is
available on the web site. It describes the RFCs included in the<A href="#RFCs.tar.gz">
RFCs.tar.gz</A> bundle and gives some pointers to<A href="#sources">
other ways to get them</A>.</P>
<H2><A name="sources">Other sources for RFCs & Internet drafts</A></H2>
<H3><A name="RFCdown">RFCs</A></H3>
<P>RFCs are downloadble at many places around the net such as:</P>
<UL>
<LI><A href="http://www.rfc-editor.org">http://www.rfc-editor.org</A></LI>
<LI><A href="http://nis.nsf.net/internet/documents/rfc">NSF.net</A></LI>
<LI><A href="http://sunsite.doc.ic.ac.uk/computing/internet/rfc">Sunsite
in the UK</A></LI>
</UL>
<P>browsable in HTML form at others such as:</P>
<UL>
<LI><A href="http://www.landfield.com/rfcs/index.html">landfield.com</A></LI>
<LI><A href="http://www.library.ucg.ie/Connected/RFC">Connected Internet
Encyclopedia</A></LI>
</UL>
<P>and some of them are available in translation:</P>
<UL>
<LI><A href="http://www.eisti.fr/eistiweb/docs/normes/">French</A></LI>
</UL>
<P>There is also a published<A href="biblio.html#RFCs"> Big Book of
IPSEC RFCs</A>.</P>
<H3><A name="drafts">Internet Drafts</A></H3>
<P>Internet Drafts, working documents which sometimes evolve into RFCs,
are also available.</P>
<UL>
<LI><A href="http://www.ietf.org/ID.html">Overall reference page</A></LI>
<LI><A href="http://www.ietf.org/ids.by.wg/ipsec.html">IPsec</A> working
group</LI>
<LI><A href="http://www.ietf.org/ids.by.wg/ipsra.html">IPSRA (IPsec
Remote Access)</A> working group</LI>
<LI><A href="http://www.ietf.org/ids.by.wg/ipsp.html">IPsec Policy</A>
working group</LI>
<LI><A href="http://www.ietf.org/ids.by.wg/kink.html">KINK (Kerberized
Internet Negotiation of Keys)</A> working group</LI>
</UL>
<P>Note: some of these may be obsolete, replaced by later drafts or by
RFCs.</P>
<H3><A name="FIPS1">FIPS standards</A></H3>
<P>Some things used by<A href="glossary.html#IPSEC"> IPsec</A>, such as<A
href="glossary.html#DES"> DES</A> and<A href="glossary.html#SHA"> SHA</A>
, are defined by US government standards called<A href="glossary.html#FIPS">
FIPS</A>. The issuing organisation,<A href="glossary.html#NIST"> NIST</A>
, have a<A href="http://www.itl.nist.gov/div897/pubs"> FIPS home page</A>
.</P>
<H2><A name="RFCs.tar.gz">What's in the RFCs.tar.gz bundle?</A></H2>
<P>All filenames are of the form rfc*.txt, with the * replaced with the
RFC number.</P>
<PRE>RFC# Title</PRE>
<H3><A name="rfc.ov">Overview RFCs</A></H3>
<PRE>2401 Security Architecture for the Internet Protocol
2411 IP Security Document Roadmap</PRE>
<H3><A name="basic.prot">Basic protocols</A></H3>
<PRE>2402 IP Authentication Header
2406 IP Encapsulating Security Payload (ESP)</PRE>
<H3><A name="key.ike">Key management</A></H3>
<PRE>2367 PF_KEY Key Management API, Version 2
2407 The Internet IP Security Domain of Interpretation for ISAKMP
2408 Internet Security Association and Key Management Protocol (ISAKMP)
2409 The Internet Key Exchange (IKE)
2412 The OAKLEY Key Determination Protocol
2528 Internet X.509 Public Key Infrastructure</PRE>
<H3><A name="rfc.detail">Details of various things used</A></H3>
<PRE>2085 HMAC-MD5 IP Authentication with Replay Prevention
2104 HMAC: Keyed-Hashing for Message Authentication
2202 Test Cases for HMAC-MD5 and HMAC-SHA-1
2207 RSVP Extensions for IPSEC Data Flows
2403 The Use of HMAC-MD5-96 within ESP and AH
2404 The Use of HMAC-SHA-1-96 within ESP and AH
2405 The ESP DES-CBC Cipher Algorithm With Explicit IV
2410 The NULL Encryption Algorithm and Its Use With IPsec
2451 The ESP CBC-Mode Cipher Algorithms
2521 ICMP Security Failures Messages</PRE>
<H3><A name="rfc.ref">Older RFCs which may be referenced</A></H3>
<PRE>1321 The MD5 Message-Digest Algorithm
1828 IP Authentication using Keyed MD5
1829 The ESP DES-CBC Transform
1851 The ESP Triple DES Transform
1852 IP Authentication using Keyed SHA</PRE>
<H3><A name="rfc.dns">RFCs for secure DNS service, which IPsec may use</A>
</H3>
<PRE>2137 Secure Domain Name System Dynamic Update
2230 Key Exchange Delegation Record for the DNS
2535 Domain Name System Security Extensions
2536 DSA KEYs and SIGs in the Domain Name System (DNS)
2537 RSA/MD5 KEYs and SIGs in the Domain Name System (DNS)
2538 Storing Certificates in the Domain Name System (DNS)
2539 Storage of Diffie-Hellman Keys in the Domain Name System (DNS)</PRE>
<H3><A name="rfc.exp">RFCs labelled "experimental"</A></H3>
<PRE>2521 ICMP Security Failures Messages
2522 Photuris: Session-Key Management Protocol
2523 Photuris: Extended Schemes and Attributes</PRE>
<H3><A name="rfc.rel">Related RFCs</A></H3>
<PRE>1750 Randomness Recommendations for Security
1918 Address Allocation for Private Internets
1984 IAB and IESG Statement on Cryptographic Technology and the Internet
2144 The CAST-128 Encryption Algorithm</PRE>
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