Strange UDP traffic blocked
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I've found traffic in my system logs which I can't figure out. Within no-time my syslog is full of these reports, but I can't seem to find where it's coming from.
There is a pfSense firewall behind the source IP address which I also own, so it is possible for me to check some things. There is an IPsec tunnel between both networks and I have not enabled DPD nor Rekey on the other side (in this case the source side).