Controlling types of ICMP Unreachable generated by filtering routers
I want to be able to controll by ICMP code the types of ICMP Unreachable (Type 3) messages generated by a filtering router.
Scenario: BGP Peering routers to a web hosting infrastructure on the Internet, that want visibility of the path used via traceroute, however I dont want to advertise the fact that filtering is occuring by generating ICMP unreachable admin prohibtited or filtering prohibited.
I would also like to stay away from implementing outbound ACLs on the external interfaces just to control ICMP message generation.
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...