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Charon-Pluto IKEv1 Interoperability » History » Version 9

Martin Willi, 14.06.2012 11:19

1 2 Andreas Steffen
h1. Charon-Pluto IKEv1 Interoperability
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* "IKEv1 Interoperability Test Cases":http://www.strongswan.org/uml/pluto_charon_ikev1_interoperability/ between the strongSwan Charon and Pluto daemons.
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h1. Migration from Pluto to Charon
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We've tried hard to support most of pluto configurations in charon. But please keep in mind that IKEv1 in charon is a completely new implementation and that it might behave different than IKEv1 in pluto.
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h2. Obsolete keywords
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The [[IpsecConf|ipsec.conf]] [[ConfigSetupSection|config setup]] section does not support any of the [[ConfigSetupSection#IKEv1-pluto-daemon-only|Pluto specific]] keywords, nor the _plutostart_, _charonstart_ or _crlcache_ keywords. 
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NAT-Traversal is always enabled in charon, for both IKEv1 and IKEv2. The IKEv2 _eap_ keywords has been removed.
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h2. Deprecated, but still supported keywords
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The _authby_ and _xauth_ keywords are still supported, but deprecated. Please migrate your installation to the _leftauth_ / _rightauth_ keywords. XAuth is configured as multiple rounds using _leftauth2_ / _rightauth2_ keywords (i.e. _leftauth=pubkey_, _leftauth2_=xauth). To configure the new Hybrid Mode, define _leftauth=xauth_ and _rightauth=pubkey_.
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h2. Perfect Forward Secrecy (PFS)
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The _pfs_ option has been removed. IKEv1 now uses the same syntax to define PFS as we use it in IKEv2. To enable PFS, include the Diffie-Hellman group in your ESP proposal, _esp=aes128-sha1-modp2048_.
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h2. Smartcards and PKCS#11
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IKEv1 can use the same [[SmartCardsIKEv2|PKCS#11 backend]] as IKEv2, all pluto specific PKCS#11 options are obsolete.
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h2. Narrowing with _rightsubnetwithin_
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The IKEv1 responder narrowing keyword _rightsubnetwithin_ is not supported anymore, but aliases to _rightsubnet_. The _leftsubnet_ / _rightsubnet_ definitions are automatically narrowed if required. Please be aware that IKEv1 does actually not support narrowing, and returning a smaller subnet than requested might confuse the initiator (but works fine with charon). To interoperate with other implementations, make sure your subnet definitions match exactly.