The particular URLs are about 900-1000 characters long. We investigated PIX settings to allow longer URL lengths (over 1100) characters, but these did not allow the page to display properly.
We also tried doing a filter except on the PIX to exclude the particular URL, but this does not work either, since the URL is generated by search software and changes each time significantly enough that the except doesn't work.
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...