"Explain VPN's to me" - what you are asking is not a 25 words or less
response. They've written entire books answering the questions that you're
asking. One of the best books that I've read on the subject is a Cisco Press
book called "Managing Cisco Network Security". It covers basics about VPN's
and tunnels quite well and is very readable for beginners to this subject
(which I'm not far from myself). Some of the cryptography books that I've
looked at are written by and for PHD's. This one is written for folks that
have to learn and implement Cisco security/firewalls/VPN technology and may
not have much experience at it.
It's here at
http://www-selfpacedorders.cisco.com/smPage?k=680260492&t=psr&level=client_html/22/v2/detail&sku_id=1588&parent_id=103
Another Cisco training tool that may be helpful is
http://www-selfpacedorders.cisco.com/smPage?k=680260492&t=psr&level=client_html/22/v2/detail&sku_id=1111&parent_id=103,111
Cisco has another book out now (I don't recall the title right now) that I
saw the other day nut frankly it just looks like a smaller version of the
MCNS book that's been rearranged a little. Not bad info - just not much new
info but my view of it was limited to the couple of minutes that I leafed
through it. There may be more in it than I saw.
Quoting Arun :
> Hi
> i am new to this VPN world i need to know some basics
> about it .how do i
> start lets say i have mainoffice i want to connect it
> ot my clients ...take
> may be 2 from different lcoations .
> ________Location1
> mainoffice --------------|
>
> ----------------Location 2
>
> now i know that both location 1 and 2 have their own
> connectivity to the
> internet and also mainoffice if we have to go for
> cheap solution.
> If i have a internet connection from main office say
> 3600 series router and
> may be other location it coould be same .(do we
> require this)
> Thats it ..all i know about VPN
> My question are for the locations 1 and 2 ,what will
> be we using to connect
> to mainoffice ..VPN clients i think are these clients
> to be from cisco for
> it to work with it ........can anybody tell in brief
> about how it all works
> then i think i should go about other things.
>
> I have read cicso have products for VPN ...what they
> basically do
> ...security i think is main thing ......or they do
> somethig else besides
> that.
> if ihave a Pix won't it solve the purpose if i let
> only certain ip's
> (which ip's i don't know) to have access.
>
>
> i am really confused i tried reading about it but i
> cann't find the basic
> things ..any help will be appreciated.
>
>
> Regardss
>
> arun Sharma
> [EMAIL PROTECTED]
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