Actually, it's usually just a firewall or router that does not allow ICMPQuote:> For security reasons, I have seen that some sites do not allow a ping
> request to be done. An example is www.hotmail.com. By implementing
> such security measure, will this have any negative effect on a
> DNS/MAIL server ? I think the idea is great as script kiddies will
> think that on one is home with that IP address. I would like to hear
> what you guys think of this.
However, don't think that just closing this port will completely hide your
machine. There are plenty of other ways...
> Actually, it's usually just a firewall or router that does not allow ICMP
> echo requests from the WAN side, or ICMP echo replies from the local side
> (or both). There is often not any reason to allow these datagrams through,
> and it won't hurt any other services if you close it.
> However, don't think that just closing this port will completely hide your
> machine. There are plenty of other ways...
raven up 351+20:03, 0 users, load 0.20, 0.44, 0.66
freeside up 351+15:41, 0 users, load 0.00, 0.01, 0.00
armitage up 351+15:23, 0 users, load 0.28, 0.28, 0.25
duck up 247+14:31, 0 users, load 0.02, 0.01, 0.00
How do I stop my machine from answering ping requests?