It looks like false alarm to me.It looks as if client 10.161.0.113 has netbios enabled and it is trying to connect repeatedly to server 10.161.0.113 on tcp port 445.Ideally if client is not able to connect to server on port 445 then it tries to connect the server at tcp port 139.
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
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We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...