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  1. #1
    Newbie
    Join Date
    Jul 2019
    Posts
    1

    Default No aceptable proposal found/ipsec

    Hi i have this problem can you guys helpme please? i added the log where shows the issue.


    no acceptable proposal found
    Jul 23 09:36:34 fw1 charon: 13[ENC] parsed INFORMATIONAL response 583 [ ]
    Jul 23 09:36:34 fw1 charon: 13[NET] received packet: from "ExternalIP"[4500] to "LocalIP" [4500] (80 bytes)
    Jul 23 09:36:34 fw1 charon: 10[NET] sending packet: from "LocalIP"[4500] to "ExternalIP"[4500] (80 bytes)
    Jul 23 09:36:34 fw1 charon: 10[ENC] generating INFORMATIONAL request 583 [ ]
    Jul 23 09:36:34 fw1 charon: 10[IKE] sending DPD request
    Jul 23 09:36:04 fw1 charon: 14[NET] sending packet: from "LocalIP"[4500] to "ExternalIP"[4500] (80 bytes)
    Jul 23 09:36:04 fw1 charon: 14[ENC] generating CREATE_CHILD_SA response 1742 [ N(NO_PROP) ]
    Jul 23 09:36:04 fw1 charon: 14[IKE] failed to establish CHILD_SA, keeping IKE_SA
    Jul 23 09:36:04 fw1 charon: 14[IKE] no acceptable proposal found

  2. #2
    Untangler jcoffin's Avatar
    Join Date
    Aug 2008
    Location
    Sunnyvale, CA
    Posts
    8,520

    Default

    The encryption methods do not match. Review the settings on both sides.
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