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windows 7 - VPN and error 789

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  • windows 7 - VPN and error 789

    Hi,

    I'm trying to set a l2tp/ipsec vpn but always I receive the 789 error.

    In the firewall The log is the following, can someone help me?

    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: ignoring Vendor ID payload [MS NT5 ISAKMPOAKLEY 00000008]
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: received Vendor ID payload [RFC 3947] method set to=109
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: received Vendor ID payload [draft-ietf-ipsec-nat-t-ike-02_n] meth=106, but already using method 109
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: ignoring Vendor ID payload [FRAGMENTATION]
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: ignoring Vendor ID payload [MS-Negotiation Discovery Capable]
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: ignoring Vendor ID payload [Vid-Initial-Contact]
    01:56:04 pluto[4600] packet from xxx.xxx.156.72:61944: ignoring Vendor ID payload [IKE CGA version 1]
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: responding to Main Mode from unknown peer xxx.xxx.156.72
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: Diffie-Hellman group 20 is not a supported modp group. Attribute OAKLEY_GROUP_DESCRIPTION
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: Diffie-Hellman group 19 is not a supported modp group. Attribute OAKLEY_GROUP_DESCRIPTION
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: Oakley Transform [OAKLEY_AES_CBC (256), OAKLEY_SHA1, OAKLEY_GROUP_MODP2048] refused due to strict flag
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: Oakley Transform [OAKLEY_3DES_CBC (192), OAKLEY_SHA1, OAKLEY_GROUP_MODP2048] refused due to strict flag
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: Oakley Transform [OAKLEY_3DES_CBC (192), OAKLEY_SHA1, OAKLEY_GROUP_MODP1024] refused due to strict flag
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: no acceptable Oakley Transform
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72 #24: sending notification NO_PROPOSAL_CHOSEN to xxx.xxx.156.72:61944
    01:56:04 pluto[4600] "x509_l2tp"[4] xxx.xxx.156.72: deleting connection "x509_l2tp" instance with peer xxx.xxx.156.72 {isakmp=#0/ipsec=#0}

  • #2
    Re: windows 7 - VPN and error 789

    i suspect it's not using the correct authentication protocols on both sides of te connection
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