Yes you need to know the IP of the firewall/router. One way is to go to the
http://www.whatismyip.com site. Another is to use a dynamic name service
like No-IP.com to map a fully qualified domain name to your ISP assigned IP
address. See the page I pointed you to for details and links...

--

Al Jarvi (MS-MVP Windows Networking)

Please post *ALL* questions and replies to the news group for the mutual
benefit of all of us...
The MS-MVP Program - http://mvp.support.microsoft.com
This posting is provided "AS IS" with no warranties, and confers no
rights...

"td48sweep" <td48sweep@discussions.microsoft.com> wrote in message
news:7A3ECDF8-2636-4AAE-BCE4-37AF40CCAD50@microsoft.com...
> Do I have to know my IP address? How do I find it?
>
> "Sooner Al [MVP]" wrote:
>
>> See this page for help...
>>
>> http://theillustratednetwork.mvps.or...eshooting.html
>>
>> --
>>
>> Al Jarvi (MS-MVP Windows Networking)
>>
>> Please post *ALL* questions and replies to the news group for the mutual
>> benefit of all of us...
>> The MS-MVP Program - http://mvp.support.microsoft.com
>> This posting is provided "AS IS" with no warranties, and confers no
>> rights...
>>
>> "td48sweep" <td48sweep@discussions.microsoft.com> wrote in message
>> news:9DF0D83E-E7B0-40BB-A6CE-501C2DC219F9@microsoft.com...
>> >I am new at using windows xp pro, and I want to set up my computer so
>> >that
>> >I
>> > can access it from another computer using the internet. I've followed
>> > all
>> > the
>> > sets for the host computer in this link...
>> >
>> > http://www.microsoft.com/windowsxp/u...moteintro.mspx
>> >
>> > but now I am not sure what to do in order to access my computer from
>> > say a
>> > friends house who has windows xp pro.
>> >
>> > Like I said earlier I am new at using windows xp pro and would greatly
>> > appreciate any help. Thanks in advance.
>>
>>
>>