Yesterday Windows Azure experienced a worldwide disruption in many services due to an expired PKI certificate for Windows Azure storage. Mary Jo Foley’s article Windows Azure storage issue: Expired HTTPS certificate possibly at fault provides the best coverage of the event as it unfolded. You can also take a look at a few threads on… Continue reading → Blog Post by: Wade

Recently we have been working on something new at DevelopMentor for online teaching. I still really like teaching in the classroom and I think that this is a great environment to learn new material. But it is also a very expensive and not very scalable way of learning. It typically means being away from the office for a week at a time and that can be hard on the business and on your colleagues.   And while the classroom is a great place to learn that will do you little good if you can’t go there...

Let’s start of with a clarification: As of today, federating Office 365 (Azure AD) with a Custom STS is NOT supported by Microsoft.  Today the only supported STSs are AD FS 2.0, Shibboleth 2, Optimal IDM Federation Services and PingFederate 6.10. With that cleared, Office 365 STS supports both WS-Federation & SAML protocols for user [...] Blog Post by: zamd

Sitefinity 5.x introduced claims based security & Single-Sign-On features based on a simple HTTP redirect based token issuance protocol which I’m going to call ‘Sitefinity sign-in protocol’ in my posts. Version 5.x has also standardized on using Simple Web Token (SWT) as the default token format for user authentication and SSO needs. Sitefinity 5.x comes [...] Blog Post by: zamd

Whatever database your are using, relational or document, there is one thing you can be certain of as soon as you get a second user of the system and that is concurrency conflicts. It may not happen often but eventually it will happen that two users load the same document, make some changes to it and save it back to the database. There are several ways of dealing with these kind of concurrency problems: Just ignoring it and letting the second users changes overwrite the first ones While this isn...