[windows2000] Blocking Internet Access On A Schedule THE SOLUTION - formerly Re: Re: Blocking Internet Browsing from Explorer.exe
- From: Mark Lee <marklee15@xxxxxxxxx>
- To: windows2000@xxxxxxxxxxxxx
- Date: Fri, 28 Nov 2003 09:38:33 +0000 (GMT)
Ok Folks, as posted yesterday here's what we did.
1. Wrote a small EXE called BLOCKDNS.EXE which takes a few params but basically
adds and entry from command line to the windows hosts file
2. All IE browsers etc. are forced by policy to use a web proxy, but bypassed
for internal intranet
3. All PC's on internal IP so cannot directly surf anyways !
4. On schedule BLOCKDNS.EXE is called to add/remove 127.0.0.1 to hosts file
with our FQDN for the web proxy (might also want to call ipconfig /flushdns to
be 100% sure cached entries are gone)
This way, IE can still be used internally to access our Intranet etc. but
cannot see the proxy, therefore, cannot see the outside world ! This works
like a charm, students hate us even more now, staff think it's cool !
Mark.
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