Confused about ping...
Mike McCarty
mike.mccarty at sbcglobal.net
Thu Oct 6 20:57:54 UTC 2005
Peter Gordon wrote:
>>$ ping 207.195.133.148
>>PING 207.195.133.148 (207.195.133.148) 56(84) bytes of data.
>> From 209.120.242.6 icmp_seq=0 Packet filtered
>> From 209.120.242.6 icmp_seq=1 Packet filtered
>> From 209.120.242.6 icmp_seq=2 Packet filtered
>> From 209.120.242.6 icmp_seq=3 Packet filtered
>>
>>What does "Packet filtered" mean?
>>
>
>
> Ping works by sending an ICMP "Echo" data packet to the
> specified host, and waiting for its ICMP "Echo Reply" data
> packet (which, if successful, should be exactly the same as
> the data sent in the original Echo packet). Many system
Yes, I am aware of this.
> adminstrators filter this type of packet on their firewalls,
> though, as ICMP ping requests can be used by malicious users to
> cause a DoS (Denial of Service) on an otherwise-functional
> system. That's probably what you're seeing.
I thought it might be something like that.
> Hope that helps!
Thanks!
Mike
--
p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);}
This message made from 100% recycled bits.
You have found the bank of Larn.
I can explain it for you, but I can't understand it for you.
I speak only for myself, and I am unanimous in that!
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