Re: how to prevent session creation for search engines

I had come across SessionIDManager before, but now that you are
suggesting it, I took a better look and it seems promising!

Thanks Brock!

// Ryan

On 12/10/06, Brock Allen <[email protected]> wrote:
> If you're using ASP.NET 2.0 you can implement something called a
> SessionIDManager. This is a class you derive from that is responsible for
> generating the SessionID for requests. For your situation you would generate
> an empty ID when you detect the client is a bot/search engine. This prevents
> the request from utilizing session state.
>
> -Brock
>
>
> > -----Original Message-----
> > From: Discussion of building .NET applications targeted for the Web
> > [mailto:[email protected]] On Behalf Of Adam Tuliper
> > Sent: Friday, December 08, 2006 1:39 PM
> > To: [email protected]
> > Subject: Re: [DOTNET-WEB] how to prevent session creation for search
> > engines
> >
> > Off the top of my head.. prob use an httpmodule and make sure it's in
> > the
> > asp.net processing pipeline before the provider so you can handle it
> > ahead
> > of time.
> > Unless any of the interfaces for the provider give you that
> > functionality.
> >
> >
> >
> > -----Original Message-----
> > From: Discussion of building .NET applications targeted for the Web
> > [mailto:[email protected]] On Behalf Of Ryan Heath
> > Sent: Friday, December 08, 2006 10:12 AM
> > To: [email protected]
> > Subject: Re: [DOTNET-WEB] how to prevent session creation for search
> > engines
> >
> > The main problem is, we are using the built in session provider which
> > stores its sessions into a database.
> >
> > I don't want to 'block' the search engines, but I don't want to create
> > a session record for each page request they are doing.
> >
> > I believe I could use Request.Browser.Crawler to determine if the
> > request is done by a search engine. But I fail to see how to inform
> > the session provider to not create any session for that particular
> > request.
> >
> > Thanks,
> > // Ryan
> >
> > On 12/8/06, Adam Tuliper <[email protected]> wrote:
> > > Check user agent string - there are defined user agents for most
> > search
> > > agents
> > > See http://www.useragentstring.com/
> > > http://www.pgts.com.au/pgtsj/pgtsj0208q.html (many others out there
> > as
> > well)
> > > This is also a trick that can be used to view content you don't have
> > a
> > > session for..
> > > Ie change your user agent string in firefox (ie doesn't allow you -
> > only
> > to
> > > append to it unless you are using an http debugging proxy) and then
> > view a
> > > previously indexed but protected page..
> > > So be sure to handle that technique as well.
> > >
> > > -----Original Message-----
> > > From: Discussion of building .NET applications targeted for the Web
> > > [mailto:[email protected]] On Behalf Of Ryan Heath
> > > Sent: Friday, December 08, 2006 2:31 AM
> > > To: [email protected]
> > > Subject: [DOTNET-WEB] how to prevent session creation for search
> > engines
> > >
> > > Hi,
> > >
> > > Does anyone know how we can prevent session creations for search
> > > engines on an asp.net 2.0 website?
> > > We use cookie based session, which obviously fails for search engines
> > ...
> > >
> > > Thanks,
> > > // Ryan
> > >
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