[ubuntu-uk] Checking to make sure you are safe...port checking etc.

[Colin Law]

On 23 April 2010 17:24, John Matthews <jakewc2 at sky.com> wrote:
> On 23/04/10 16:58, Markie wrote:
>
> Hi John,
>
>
>> Now that is interesting. I did all the checks, and came back telling me I
>> am 100% in stealth, but I still failed because they could ping me.
>
> Some routers by default block "WAN pings" some do not. My Sky router has a
> field called "respond to ping on WAN port" its checked off. I passed the
> test with all my ports in stealth mode. Basically the check at the link rob
> passed runs a port scan against the WAN side of your router. This is if your
> are connected via a router. If you connect directly via a USB modem or a
> Cable modem then it will scan your PC directly.
>
>> Plus, it was a bit strange because on one of the things it said 'it was
>> unusual to find a windows machine so completely hidden'. But I'm not using
>> windows, > I'm using Ubuntu. That is amazing really considering.
>
> :-) I would say that its making an assumption that your running windows.
> Lets face it us Linux users are pretty much in a minority at least when it
> comes to the OS of choice on the desktop / laptop.
>
> Thanks
>
> Mark
>
>
> Hi Mark,
>
> thats done it. Brilliant. I looked for
>
> "respond to ping on WAN port"
>
> in my router settings, found it, it was ticked, I unticked, then  ran the
> test again, and passed everything.
>
> That is brilliant. Thank you. Feel a bit better now.

Note that the ping was not getting through to your PC, it was the
router that was responding to the ping.

Colin