On Thu, 26 May 2005, Leonardo wrote: > That's exactly the problem! The clients should receive an ICMP frag > needed packet in order to reduce the packet size, however my > proxy/router does not forward the ICMP msg to them! WHY?!?!?! > The are no iptables rules that block ICMP! As you have no DROP rule, netfilter does not drop the packets so it's not a netfilter/iptables related problem. Probably you have got rp_filtering enabled and the routing engine discards the ICMP packets. Best regards, Jozsef - E-mail : kadlec@xxxxxxxxxxxxxxxxx, kadlec@xxxxxxxxxxxxxxx PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt Address : KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary