[internetworkers] /etc/hosts & blocking ads served on web pages
Jim Allman
jim at ibang.com
Fri Sep 15 18:34:57 EDT 2006
On Sep 15, 2006, at 5:49 PM, nkramer wrote:
> Does anyone have any troubleshooting ideas? This is on Windows Xp
> Professional.
Hm, it looks like you've got the file path right. Here are some ideas
off the top of my head. NOTE that I assume below that your HOSTS file
is blocking ad.doubleclick.net--if not, add it first.
Simplify things a bit by browsing directly to http://
ad.doubleclick.net. If you see a DoubleClick web page, but you
suspect the cache is telling lies, try pinging the domain from the
DOS shell:
> ping ad.doubleclick.net
You'll see an IP address reported back, which should be 127.0.0.1 (or
0.0.0.0, or whatever you set in the HOSTS file). If not, your HOSTS
file is indeed being ignored.
Here's one possible explanation, from http://www.mvps.org/winhelp2002/
hostsfaq.htm#Proxy
-----
If you are connected to the Internet using AOL, a custom dialer
provided by your ISP, through a Local Area Network (LAN) connection
or a remote proxy server these procedures (using a HOSTS file) may
not be effective.
...
Using a remote proxy server which basically does the DNS requesting
for you does prevent the HOSTS file from being considered. In other
words ...Your browser will route its request through your proxy
server before your machine looks up an entry in Hosts.
-----
Hope this helps,
=jimA=
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. . . . . . . . . . . . . . .
Jim Allman
Interrobang Digital Media
http://www.ibang.com/
(919) 649-5760
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