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+ |
+ | IKE main mode
+ | phase 1
+ V
+ .-----------------.
+ | unauthenticated |
+ | OE peer |
+ `-----------------'
+ |
+ | lookup KEY RR in in-addr.arpa
+ | (if ID_IPV4_ADDR)
+ | lookup KEY RR in forward
+ | (if ID_FQDN)
+ V
+ .-----------------. RR not found
+ | received DNS |---------------> log failure
+ | reply |
+ `----+--------+---'
+ phase 2 | \ misformatted
+ proposal | `------------------> log failure
+ V
+ .----------------.
+ | authenticated | identical initiator
+ | OE peer |--------------------> initiator
+ `----------------' connection found state machine
+ |
+ | look for TXT record for initiator
+ |
+ V
+ .---------------.
+ | authorized |---------------------> log failure
+ | OE peer |
+ `---------------'
+ |
+ |
+ V
+ potential OE
+ connection in
+ initiator state
+ machine
+
+
+$Id: responderstate.txt,v 1.1 2004/03/15 20:35:24 as Exp $