Re: removing popup windows

From: ParrotRob (parrotrob_at_yahoo.com)
Date: 06/05/03 

Date: Thu, 05 Jun 2003 19:03:28 GMT

"xpyttl" <xpyttl_nospam@earthling.net> wrote in message
news:vdubu846tu7i61@corp.supernews.com...
> The right answer is almost.
>
> Don Keloway's reply seemed to indicate that popups may result from inbound
> connections which can be blocked at the firewall ... this is NOT true.
> Windows won't accept inbound web connections unless you add other software
> to it. Linux must be configured to accept these connections. However,
> there are almost no cases where a normal home user needs to accept inbound
> connections. Good practice is to simply block all inbounds at the
firewall,
> and see what breaks. For most people, it will be nothing.
>
> If you configure your browser to disallow JavaScript and ActiveX then you
> should get no popups. However, most web sites won't work. Don also
> mentioned Java which really isn't a big problem here, but it's good to be
> cautious about it anyway.
>
> However, if you block outbound connections to a relatively few sites at
your
> firewall, you can eliminate almost all popups. I say relatively few, but

This won't actually eliminate the popup windows, though. Suppose some site
X that I went to has a javascript window.open method that loads an ad from
well-known ad site Y. If I deny outbound access to site Y at my firewall, a
connection will obviously not be made, but that won't stop my browser from
opening up the popup window itself with an error that the site can't be
found. So while you won't get popup "ads" per se, you WILL get just as many
popup windows with errors in them (dns errors or http errors, depending on
whether you've blocked all access to that address or just ports 80/443, for
instance).

> the number is around 100. There are lists available on the net. This
will
> cause you to also miss out on some ads that aren't popups, since these
same
> sites provide most of the banners. I don't personally find this to be a
big
> problem, but it does leave ugly holes in some pages, oh well.
>
> Most of the sites that are blocked are site whose sole purpose is
delivering
> annoying ads, so you won't miss much. However you will also need to block
a
> fair number of porn sites, which may or may not be a problem for you.
>
> ..
>
> "Doug Fox" <dfox168@hotmail.com> wrote in message
> news:O0cDa.123874$cK1.73612@news01.bloor.is.net.cable.rogers.com...
> > Almost all prevention methods mentioned in google are to install 3rd
party
> > software.
> >
> > Is "content filtering", "firewall", etc. able to prevent popup?
> >
> > Thanks,
> >
> >
>
>

Relevant Pages

  • Re: removing popup windows
    ... Don Keloway's reply seemed to indicate that popups may result from inbound ... Windows won't accept inbound web connections unless you add other software ... Good practice is to simply block all inbounds at the firewall, ...
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