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Can Norton Security Software Affect Viewed HTML Files

P: n/a
Hello All

Is it possible for Norton Internet Security 2003 to strip out
references to images from the html before it gets to the browser?

Here is an example:

On the Web Server The HTML File Looks Like This:
<a href="01.htm"><img src="th01.jpg" hspace=0 vspace=0 border=0
width=120 height=90></a>
In my PC's Cache, The HTML File Looks Like This:
<a href="01.htm"></a>

The "img src" tag is gone! If I disable Norton Internet Security, the
html in my PCs cache then matches what is on the web server and the
images appear correctly.

Has anyone come across this before? If so, please let me know how you
resolved this probem.

Kenn

Jul 24 '05 #1
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6 Replies


P: n/a
Gazing into my crystal ball I observed cl****@email.toast.net writing in
news:11*********************@z14g2000cwz.googlegro ups.com:
Hello All

Is it possible for Norton Internet Security 2003 to strip out
references to images from the html before it gets to the browser?

Here is an example:

On the Web Server The HTML File Looks Like This:
<a href="01.htm"><img src="th01.jpg" hspace=0 vspace=0 border=0
width=120 height=90></a>
In my PC's Cache, The HTML File Looks Like This:
<a href="01.htm"></a>

The "img src" tag is gone! If I disable Norton Internet Security, the
html in my PCs cache then matches what is on the web server and the
images appear correctly.

Has anyone come across this before? If so, please let me know how you
resolved this probem.

Kenn


Looks like Norton is trying to disable ads. Look at Norton's configuration
and see if there is an option to turn that off. Of course, visitors with
Norton turned on will have the same "problem" you are.

--
Adrienne Boswell
http://www.cavalcade-of-coding.info
Please respond to the group so others can share
Jul 24 '05 #2

P: n/a
Thanks Adrienne

I wonder why Norton is picking on three particular html pages? There
most be something unique to them that is causing them to be flagged by
Nortions.

Odd part is that they were not created any different than the other
pages that load without a problem. In fact, they were built by picking
up html from a known "good" page.

Kenn

Jul 24 '05 #3

P: n/a

cle...@email.toast.net wrote:
I wonder why Norton is picking on three particular html pages? There
most be something unique to them that is causing them to be flagged by Nortions.


It's nothing to do with the pages as a whole. It's the image dimensions
that triggers Norton. 120x90 as used in the example in your original
post is a standard advertising banner size, see
http://www.iab.net/standards/adunits.asp

Steve

Jul 24 '05 #4

P: n/a
Thanks Steve

You may have something there - the other thumbnail pages that are not
having problems do feature thumbnails sizes other than 120x90. I'm
going to recreate the pages with different size thumbnails and see what
happens.

If so, I'll be updating my pages to something other than 120x90
thumbnails, because as it was noted above, every other Norton's user
will most likely experience the same problem.

Thanks for the advice, I appreciate the help.

Kenn

Jul 24 '05 #5

P: n/a
The thumbnail size was the source or the problem. When I disabled
Nortion Ad Block, the thumbnails downloaded fine.

I regenerated the page with larger thumbnails, and with the larger size
thumbnails the page displayed fine even with Norton Ad Block enabled.

Even though now I know how to fix the problem locally, I'll stick to
larger thumbnails to help ensure the pages work with others who may be
using Nortons..

Thanks much for the help.

Kenn

Kenn

Jul 24 '05 #6

P: n/a
cl****@email.toast.net wrote:
The thumbnail size was the source or the problem. When I disabled
Nortion Ad Block, the thumbnails downloaded fine.

I regenerated the page with larger thumbnails, and with the larger size
thumbnails the page displayed fine even with Norton Ad Block enabled.

Even though now I know how to fix the problem locally, I'll stick to
larger thumbnails to help ensure the pages work with others who may be
using Nortons..


You don't have to make them larger: you can make them smaller, even by
as little as 1 pixel, as long as you avoid the standard ad banner sizes.
E.g. Instead of 120x90, you could use 120x89.
Jul 24 '05 #7

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