hi...just looked at the URL and whilst it is helpful, i've implemented the majority of its recommendations already. The current problem i have is that i've implemented NAT with static port entries (PAT?) and the port-scanning activity is for ports which do not exist in my configuration. For example, i've mapped ports 25 and 53 but i am being scanned on ports 1 to 65535. TCP intercept would work for connection attempts on 25 and 53 but i am not sure how to reduce the router's overhead due to connection attempts to those ports which do not exist in my NAT
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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...