SINGLE SITE WITH INTERNET ONLY

Single Site with Internet Only 

Requirements:

1. Internet Access for Inside users and Servers.(Inside to Outside traffic flow)
2. Internet Access for Servers on DMZ Zone (Outside to Inside traffic flow)
3. No VPN.

Solution:

– Internet Links will terminate on Internet Router which will be Gateway for Internet traffic.
– Internet Firewall shall provide Perimeter security via separate Zones

Advertisements

Outside/Internet Zone (Security Level 0)
DMZ Zone (Security Level 50)
Inside Zone (Security Level 100)

 Note – More on Firewall Security Zone is available here.

– Internet facing portals may be placed on DMZ Switch (eg Web Server,Public DNS Server etc).
– Core Switch will in secured inside Zone of Internet Firewall will form the layer 3 gateway for all the Vlans namely –

User VLANs, Inside Server  VLANs, Management VLAN etc. It would be preferred to make Core Switch as gateway to all the Users/Server VLANs in Inside Zone and not the Internet Firewall. This practice offloads the firewall from Layer2 broadcast and ARP queries from Inside Zone User and Server VLANs endpoints.

– User Access switches and Server farm switches will connect directly to end hosts.

Related- DMZ Cisco ASA Configuration

Share this:
Advertisements

Related Posts

About The Author

Add Comment

Social Media Auto Publish Powered By : XYZScripts.com
Select your currency
USD United States (US) dollar