source ip-------dest.ip---------sourceport--------destport
- Allow- UDP/TCP- OUT - any any any any
- Allow ICMP OUT any any ICMP Detalis Echo request
- Allow ICMP In any any Were ICMP is fragmented
- Allow ICMP In any any Were ICMP time exceeded
- Allow IP Out any any Were IP is GRE
- Block IP IN/OUT any any Were IP is any
I have concerns if these rules are good or not
thank you very much BTW