VPN Verbindung bei IP client

Hilfe
Betreibe eine Fritz Box WLAN als ip Client im Netzwerk und werde immer wieder mit VPN verbindungsanfragen überschwemmt die von der Box zzt noch abgelehnt werden.Meine Vermutung ist dahingehend das da jemand versucht in das Netzwerk einzudringen. Dazu mal dieses wenn es jemand was sagt
VPN-Fehler
IKE-Error 0x200A "invalid exchange type" IKE-Error 0x200B "exchange type not supported" IKE-Error 0x200C "invalid major version" IKE-Error 0x200D "invalid minor version" IKE-Error 0x200E "invalid protocol version" IKE-Error 0x000F "payloads not encrypted" IKE-Error 0x0010 "payloads are encrypted" IKE-Error 0x0011 "invalid cookie" IKE-Error 0x0012 "wrong initiator cookie" IKE-Error 0x0013 "wrong responder cookie" IKE-Error 0x0014 "invalid payload type" IKE-Error 0x0015 "invalid msg id type" IKE-Error 0x0016 "invalid protocol id type" IKE-Error 0x0017 "invalid spi" IKE-Error 0x0018 "invalid doi" IKE-Error 0x0019 "unexpected value" IKE-Error 0x001A "invalid key size" IKE-Error 0x001B "payload malformed" IKE-Error 0x001C "invalid id" IKE-Error 0x001D "invalid transform id" IKE-Error 0x001E "unexpected next payload" IKE-Error 0x001F "missing payload" IKE-Error 0x2020 "hash mismatch in received packet" IKE-Error 0x2021 "invalid hash on send" IKE-Error 0x2022 "auth method not supported" IKE-Error 0x2023 "attribute not supported" IKE-Error 0x1024 "dh key generation failed" IKE-Error 0x1025 "error in crypto module" IKE-Error 0x2026 "no proposal chosen" IKE-Error 0x2027 "timeout" IKE-Error 0x1028 "quickmode: no isakmp sa" IKE-Error 0x0029 "info message without spi" IKE-Error 0x202A "certificate not available" IKE-Error 0x202B "id type not supported" IKE-Error 0x202C "dns: host/domain not found" IKE-Error 0x202D "dns: timeout" IKE-Error 0x202E "dns: unspecified error" IKE-Error 0x2031 "unspecified error" IKE-Error 0x2032 "xauth failed" IKE-Error 0x2033 "xauth authentication failed received" IKE-Error 0x2034 "attribute of unknown type received" IKE-Error 0x1035 "peers xauth reply contained not all requested values" IKE-Error 0x2036 "request for unsupported xauth type received" IKE-Error 0x2037 "request attribute not available" IKE-Error 0x2038 "xauth failed, reason: timeout" IKE-Error 0x2039 "config mode failed, reason: timeout" IKE-Error 0x203A "timeout while waiting for initial config mode packet" IKE-Error 0x203B "timeout while waiting for initial xauth packet" IKE-Error 0x203C "config mode reply msg incomplete" IKE-Error 0x203D "phase 1 sa removed during negotiation" IKE-Error 0x203E "phase 1 aborted, ip address of neighbour has changed" IKE-Error 0x203F "authentication failed" IKE-Error 0x2040 "invalid hash"wäre über hilfe und aufklärung sehr dankbar