Posts tagged as:

Certificates and PKI

Renewing Certificates: DigiCert impresses again with customer service

July 22, 2010

Have you had a service that uses SSL/TLS, such as Outlook Web App (OWA), Exchange ActiveSync (EAS), AutoDiscover, or perhaps just a web site, impacted due to an expired certificate? Validity of digital certificates must be monitored, just as we monitor domain name registrations and renewal dates. Overlooking the fact that certificates expire and need [...]

Read the full article →

Released: Exchange Sever 2010 SP1 Beta

June 7, 2010

Microsoft has released Exchange 2010 SP1 Beta. You can download it from the download center. Microsoft also announced Exchange 2007 SP3 is still on track and will be available soon. The download link above is for the beta version of Exchange 2010 SP1. It’s not recommended to deploy beta software in a production environment. What’s [...]

Read the full article →

Trust Thy Certificate? New SSL Vulnerabilities Revealed At BlackHat 2009

July 30, 2009

It’s BlackHat time in Vegas, and I was expecting some interesting security revelations to make headlines, but not as serious as the SSL vulnerability revealed by independent security researcher Moxie Marlinspike. Moxie showed a way to intercept SSL traffic using what he calls a null-termination certificate. Reportedly, some programs terminate processing of a certificate’s subject [...]

Read the full article →

ASN1 Bad Tag Error Installing an SSL Certificate in IIS 7

April 9, 2009

You’ve installed SSL certificates on previous versions of IIS more times than you care to remember. It’s no rocket science – you create a certificate request, request the certificate from a Certification Authority, get the certificate and complete your certificate request. Then there’s IIS 7. Modularized. Optimized. Secure. You follow the same procedure as you [...]

Read the full article →

Exchange Server Remote Connectivity Analyzer: Test Exchange from outside the firewall

March 25, 2009

Exchange 2007 brought with it a number of Exchange shell cmdlets that let you test Exchange functionality (scroll down to the end of this post for a list of the test cmdlets). But how do you test Exchange services are actually available and usable from the Internet? Have you longed for an Exchange cmdlet like [...]

Read the full article →

Released: Update Rollup 4 for Exchange 2007 SP1

October 7, 2008

Update Rollup 4 for Exchange Server 2007 SP1 has been released. Download it here. Fixes for the following issues are included (details in KB 952580): 942649 Description of the commands that support the UseRusServer option that is imported in Update Rollup 4 for Exchange Server 2007 Service Pack 1 944831 You cannot configure Exchange Server [...]

Read the full article →

Released: ISA 2006 Service Pack 1

July 3, 2008

ISA Server 2006 SP1 has been released. SP1 brings some new features, and improvements such as support for SAN certificates. Download SP1. New features: Configuration Change Tracking: Registers all configuration changes applied to ISA Server to help you assess issues that may occur as a result of these changes. Test Button: Tests the consistency of [...]

Read the full article →

ISA 2006 SP1: Support for SAN certs, and new features

June 19, 2008

When ISA Server 2006 SP1 rolls out this summer, there will be some cool new features to look forward to, including support for SAN certificates. Having started using Proxy Server 1.0 (I know… hold on to your comments for now.. :) back in the days, I turned away from ISA’s predecessor(s) for a few years [...]

Read the full article →

Exchange Server 2007: Renewing the self-signed certificate

January 28, 2008

Exchange Server 2007 issues itself a self-signed certificate for use with services like SMTP, IMAP, POP, IIS and UM. The certificate is issued for a period of one year. The self-signed certificate meets an important need – securing communication paths for Exchange services by default. Nevertheless, one should treat these certificates as temporary. Although the [...]

Read the full article →

Exchange Server 2007: How many logs hath thee?

November 20, 2007

A recent question got me thinking about this, thanks to a fellow MCT. How may logs does Exchange Server 2007 have? There are the known logs, carried over from previous versions (albeit with some differences), and a slew of new logs that one deals with. So let’s take a quick look at the number of [...]

Read the full article →

← Previous Entries