The descriptions of the ikesa and childsa options contain the following statements:
Possible values for auth, enc, prf, group, and the* default proposals* are described below in CRYPTO TRANSFORMS. If omitted, iked(8) will use the default proposals for the IKEv2 protocol. Possible values for auth, enc, group, esn, and the *default proposals* are described below in CRYPTO TRANSFORMS. If omitted, iked(8) will use the default proposals for the ESP or AH protocol. But CRYPTO TRANSFORMS has no description for default proposals. -- Антон Касимов / Anton Kasimov
