how to blocked all sites except only one!

[AMD_earl]

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mga bai..
unsaon nato pag block sa tanan sites except sa isa lang..
ex. yahoo.com
or the company's site lang?

windows 98 ang iyang OS..unsaon na siya pag restrict?
2 computers ra ang i restrict nga ang company LIBRARY website lang ang ma access nya wala na lain?

ang uban computer pwede maka visit og lain2x nga sites gawas lang aning duha.!

need help salamat..!

[mindless]

are they connected to a router? another gateway (a pc)?

If connected to a router/gateway modem/gateway pc:
There you can configure the firewall in that router/modem/pc (Assuming the router/modem/pc has firewall features). WInXP Internet Sharing has its firewall features. There u can configure it there.

Or you can install a firewall program to both pc's and configure the desired settings.

For example: (Speedtouch Modem/Router) Blocking all traffic except for Yahoo.com

firewall rule create chain BLOCKED_IN dst 0.0.0.0 action deny (Blocks ALL traffic)
firewall rule create chain BLOCKED_IN dst 209.131.36.158 action allow (Allow YAHOO.COM)
firewall rule create chain BLOCKED_IN dst 66.94.234.13 action allow (Allow YAHOO.COM)
firewall rule create chain BLOCKED_IN dst 216.109.112.135 action allow (Allow YAHOO.COM)


where:
216.109.112.135
66.94.234.13
209.131.36.158
Are all Yahoo.com ip addresses