This tutorial demonstrates how to create a secure Receive Connector on an Exchange Server 2010 Hub Transport server to allow other servers or devices to relay mail.
Causes of MapiExceptionNotAuthorized Error Sending to Public Folders
April 22, 2010 By 2 Comments
In some scenarios a mailbox user sending emails to a mail-enabled Public Folder may receive an undeliverable message with a reason of “MapiExceptionNotAuthorized”.
GFI LANGuard Tutorial
July 15, 2009 By Leave a Comment
SecurityDistro.com has published my tutorial on how to use GFI LANGuard to find and resolve security vulnerabilities on your network.
Bruce Schneier on Certificate Authorities
December 31, 2008 By Leave a Comment
“The CA system is broken, but it works because broken systems tend to be better for society, which needs fluidity in the face of complicated social constructs,” Schneier said. “Systems that are broken but work are very common in the real world: Front door locks are surprisingly pickable. Think of faxed signatures, for example. It’s [...]
Well-designed security systems fail gracefully, SonicWALL does not
December 6, 2008 By Leave a Comment
To quote Bruce Schneier, “well-designed security systems fail gracefully”. This means for example when the ISA firewall service fails it closes off network connectivity entirely (ie retains security) instead of opening your entire network up (ie decreases security). This week SonicWALL’s license servers suffered a glitch rendering thousands of customer units useless and leaving the [...]
SharePoint Security Resources
November 17, 2008 By Leave a Comment
Microsoft provides two useful resources for MOSS security: Security for Office SharePoint Server 2007 (downloadable book) Office SharePoint Server Security Account Requirements (worksheet) Link: John Westworth’s blog on Technet
