Dear all Thank you for your mail
I only know that 68.50.185.xxx is our server but I still don't understand what it did Thank you --- Christopher Kruslicky <[EMAIL PROTECTED]> wrote: > On Saturday 30 April 2005 06:01 pm, adrian kok > wrote: > > > 1/ Why are there 3 ipaddresses in this log > > what is source and destination address? > > Because you have gotten an ICMP error message that > includes an IP in the > data. > > > 2/ 172.17.217.168 should be private ip and that > > address > > should not be in public network > > How is it related to address 68.50.185.xxx? > > What is happening here? > > source > destination > > > Apr 29 09:35:21.757779 rule 0/0(match): block in > on > > fxp0: > > 203.xx.xx.251 > 68.50.185.xxx: icmp: host > > 172.17.217.168 unreachable - admin prohibited > filter > > It _looks_ like you (68.50.185.xxx) sent something > (ping?) to the 172 > address and it was blocked by a router at the 203 > address, this would be > the message returned. Whether you actually sent > such a packet I don't > know, seems if PF were keeping state this packet > wouldn't be blocked if you > had sent the earlier packet. > > Could it be that a packet to 172.17.217.168 took the > default route and the > 203 address is a border router?