On Thu, 24 Feb 2005 14:09:51 +0800, Wenzhuo Zhang <wenzhuo@xxxxxxxxxx> wrote: > > Thank you. I used this rule to solved the problem. > > You are welcome. Actually, the three methods are not really solutions; > they are workarounds. The real solution is to fix the broken firewalls > on the Internet, which incorrectly block vital ICMP traffic. > One more question: Why this only affected hosts behind the firewall, not the firewall itself? Best regards, Yuwen