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Old 12-24-2006, 06:43 PM
Jeff Liebermann
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Default Re: Firewall Question

"Charlie" <Charlie@nowhere.com> hath wroth:

>The machine is being assigned a valid private IP address from DHCP. When
>comparing the results from the IPCONFIG command the two machines look the
>same except for the IP address. Both machines can see each other and share
>files.


Ok, that's normal assuming that your idea of "valid private IP" is the
same as mine. (Assumption, the mother of all screwups).

>If I wire directly from the modem to the machine it can access the
>Internet. I cannot access the Internet coming from the router with the
>firewall turned on. I have a wireless laptop also that works fine however my
>son brought over a new Dell laptop that has the exact same problem as my
>second machine. Something is really goofy here.


Do you have Norton Internet Security or a similar personal firewall
installed? It will block by what it considers a LAN IP address block.
It's probably configured for a direct connection to the internet
(routeable IP's), but not for your local private IP LAN. Try
temporarily disarming the monster and try again.

Also, there are some versions of such personal firewall products that
often don't get completely uninstalled. If it had an older version of
McAfee security installed, check if there's still some residue:
start -> run -> cmd
msconfig -> startup programs

--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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