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Mapping External DNS Entries on Internal DNS Servers - Training Video
   Category: Exchange 2007 Administration: Tools, Utilities and Common Tasks
Download! Skill Level: 300 (Intermediate)
Duration: 11:00
Size: 10.5MB
Versions/Editions Covered: Exchange 2007
Added/Updated: Feb 13, 2008

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Many Firewalls, including Cisco Firewalls/Network Devices, do not allow internal traffic to exit the network and come right back in. This causes issues for users on the internal network to try to utilize an externally registered Fully Qualified Domain Name (FQDN). The most common example of this is webmail. When outside the office - many organizations use webmail.mycompany.com. They register the domain, configure Inbound e-mail Traffic, and Purchase an SSL certificate for the server. However, Once deployed, internal users cannot access this public address. The solution? Duplicate the records for the public address(s) in your Internal DNS Server, substituting the public IP address for the internal private addresses.
 Tags for this video: DNS dns server external dns internal dns  
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About the Instructor:
Grant Moyle Grant A. Moyle is the founder of Confuzer Inc, an Illinois-based Windows, Exchange, and Networking consulting firm specializing in Implementation and Troubleshooting Active Directory and Exchange. He has been a Microsoft Certified System Engineer (MCSE) since the days of NT4 and a Certified Information Security Systems Professional (CISSP) since 2003. He has a Biomedical Engineering and Electrical Engineering background from Johns Hopkins University, and over 10 y... (Grant Moyle's full bio can be found on the About the Author page)
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5/9/2008 6:37:29 PM