" reason: MSS exceeded, MSS 1300, data 1360" on Port 25
running Pix 7.0.4 code.
What is up with this? Have seen some of these in the past, but nothing like the 1 to 3 every second. I think someone is trying to run a SMTP exploit on my port 25. I am not getting these on port 80. Also have not had this huge amount of MSS reject in the past.
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...