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Use TLS instead of SSL for greater security with OWA/ActiveSync and RPC HTTPS

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Use TLS instead of SSL for greater security with OWA/Ac... - 17.Nov.2007 5:15:49 AM   
rishishah

 

Posts: 784
Joined: 14.Nov.2006
From: Surrey, UK
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Use TLS instead of SSL for greater security with OWA/ActiveSync and RPC HTTPS.

This can be done for Exchange 2003 and Exchange 2007 and IE6/IE7, WM5/WM6 and Outlook 2003/2007 will automatically switch to using the more better encryption.

Ideally do this change on your reverse proxy only or if you have a seperate FE (Exchange 2003) or CAS (Exchange 2007). Do not do this on servers hosting mailboxes at all or if you run a single server solution.

On a reverse proxy see if you can force it to use TLS instead of SSL... for ISA 2004/2006 its easy... choose the Use FIPS Encryption (Group Policy Object).

Same applies if you do this on your Seperate FE or CAS server. But i prefer to do it on the reverse proxy than any where else.

Why use SSL when you can implement TLS with such ease.

_____________________________

Rishi Shah, MCP

Remember to backup before applying the advice. www.saiconsult.co.uk. Happy to provide Professional Exchange Server Consultancy to anywhere in the world.
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