need help

[Dmitry Mityugov]

> Hi,
>
> i have a FreeBsd 4.11 i used it as a firewall and a gateway. it was
> working properly as for 2 months. now seems theres a problem.. i can
> ping any from outside. but the users cant browse even ping a yahoo.com
> you guys have any idea wahts gonna be a problem. i did ipfw add allow
> ip from any to any. but still no luck


What messages does ping generate? Can't this be a DNS problem? I mean, can 
your users ping yahoo.com by it's IP address?

Dmitry