On 15/07/10 10:13, Callan Jefferson Davies wrote: >> My advice: ignore grc.com. :-) >> > > I'll pipe up here and agree with that statement - there's absolutely no > need to go blocking pings. > > I work for an ISP (Adam in Adelaide) and get this question a lot from > customers, and also talk to a lot of customers that have gone and > blocked pings. > > Here's a couple of items for consideration : > > - people generally want to block pings to be protected against ping > "floods" > > - blocking pings only stops your router from replying to pings, it > doesn't stop someone sending you pings. so a ping flood can still happen. > > - these days, if someone wants to discover you on the Internet, > they're probably going to port-scan you, not ping you. Once they port > scan you, maybe they'll find a (web, mail, ssh etc) server. Then they'll > try to exploit that server. If you're not running any servers, no > problem. If you are running servers, then blocking pings won't offer any > benefit. > > - if you're having issues with your Internet connection and you call > your ISP, they're probably going to try a ping to see if your connection > is online. Blocking pings makes technical support difficult! > > > The above just represents my thoughts, but if anyone reckons I'm wrong > about something please do speak up! > > Cheers > Callan >
Thank you everybody for the responses. I have been assured. I shall now ignore grc.com :-) . BC -- And God created Woman; and to repent He then created Beer. -- ubuntu-au mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-au
