[IPsec] Issue #80: UDP encapsulation needs to be negotiated

2009-04-01 Thread Yaron Sheffer
Herbert: Recently the statement "Implementations MUST process received UDP-encapsulated ESP packets even when no NAT was detected." was added to the draft. This has the potential to create black holes if deployed in the field, unless all implementations always use UDP encapsulation reg

[IPsec] Issue #61: Security considerations - admission control

2009-04-01 Thread Yaron Sheffer
Yaron: Additional proposed text for the Security Considerations: Admission control is critical to the security of the protocol. For example, IKE trust anchors must be separate from those used for other forms of trust, e.g. to identify trusted Web servers. Moreover, although IKE provid

[IPsec] Issue #12: Traffic selectors when rekeying vs. the packet that trigerred the rekeying

2009-04-01 Thread Yaron Sheffer
Tero: I think we should mention that the traffic selectors for the rekying should have those selectors from the packet (see section 2.9): To allow responder to do intelligent narrowing of the traffic selector the responder should know which packet triggered the rekeying, so it will not

[IPsec] Issue #53: Handling of INITIAL_CONTACT

2009-04-01 Thread Yaron Sheffer
Yaron: 2.4: Clarif-7.9 is unclear: [this MUST be sent in the first IKE_AUTH request.] 'however, receiving parties need to deal with it in other requests' - what requests? How? Why should it ever happen? SF discussion: David Black: if you put initial_contact in anything other than an IKE

[IPsec] Issue #63: Position of arbitrary notify payloads

2009-04-01 Thread Yaron Sheffer
Yaron: Appendix C: please also mention extension notifications [N+], other than in C.6. Paul: Maybe copy it everywhere like we have [V+] Not discussed in SF. smime.p7s Description: S/MIME cryptographic signature ___ IPsec mailing list I

[IPsec] The next batch of issues

2009-04-01 Thread Yaron Sheffer
Hi everyone, Fresh after shaking off the jet lag from San Francisco, here's a new batch of IKEv2-bis open issues, all of which we introduced at the face to face meeting. Please review them and respond within a week, until April 10. I have included for each issue the original issue text,

[IPsec] Issue #2: Where does N(SET_WINDOW_SIZE) go?

2009-04-01 Thread Yaron Sheffer
>From Appendix C: The specification does not say which messages can contain N(SET_WINDOW_SIZE). It can possibly be included in any message, but it is not yet shown below. SF discussion: Paul said, "wherever you wish." smime.p7s Description: S/MIME cryptographic signature __