May 2001
Intermediate to advanced
528 pages
12h 59m
English
Content preview from Cisco® Secure Internet Security SolutionsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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VPN with Preshared Keys
Using preshared keys is easy, once you understand the concepts presented in the previous example. The difference between this configuration and the previous one is that you are now relying on the Internet Security Association and Key Management Protocol (ISAKMP) for exchanging keys. This section presents the configuration before exploring how it has changed. The main office's configuration is as follows:
hostname chicago domain-name bigcompany.com isakmp enable outside isakmp policy 15 authentication pre-share isakmp policy 15 encr 3des crypto isakmp key isakmpkey address 172.30.1.2 crypto ipsec transform-set strong esp-sha-hmac esp-3des access-list myaccesslist permit ip 10.1.2.0 255.255.255.0 crypto map seattletraffic ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.