Skip to main content

TechEd 2013 - Day 2

By
Second day of TechEd 2013 has ended. For me, this day was full off interesting information related to SQL Server and Windows Sever. From my perspective, the most interesting sessions of the day where related to security. During this sessions I realize that we are extremely vulnerable to attaches, even if you change the server password every 4 hours. An attack can be made in 5 seconds – the same problem is on the Linux system, not only Windows.
Things that I consider interesting:

  • Foca – it is an interesting tool to discover what the public content that is listed by an internet endpoint. It will extract meta-information like the name of the users, machines, software version and so on. 
  • It is extremely easy to modify a worm or trojan to make it undetectable and for 100$ you can buy an application that give you the ability to “manage” the infected machine.   
  • You should NEVER have an async method that return void, except when you are working with event handler. If an exception occurs, the exception cannot be catch at the code level. Because of this you will have odd behaviors from time to time like: in Windows Phone this exception will disappear and in Windows 8 this error will cause the application to “die” immediately, without a notifications. Another problem with this kind of calls is when the actions end – because the system cannot tell you when the call end. In this cases you should return Task and not void.
  • If you want to hide the main menu from Visual Studio, that you could try Hide Main extension. Pressing ALT will show the menu back again.
  • When you have Visual Studio open, than ALT + F6 can help you to navigate between Visual Studio windos.
  • Don’t forget SHIFT+ALT will give you the ability to make multi-line editing.
  • If you are using SignalR and you need to create a small cluster and synchronize different servers with SignalR than Windows Azure Service Bus can be a solution for you. You need to write only one line of code to have Service Bus in the backplane.

That’s all for today, see you tomorrow.

Comments

Post a Comment

Popular posts from this blog

Windows Docker Containers can make WIN32 API calls, use COM and ASP.NET WebForms

By
After the last post , I received two interesting questions related to Docker and Windows. People were interested if we do Win32 API calls from a Docker container and if there is support for COM. WIN32 Support To test calls to WIN32 API, let’s try to populate SYSTEM_INFO class. [StructLayout(LayoutKind.Sequential)] public struct SYSTEM_INFO { public uint dwOemId; public uint dwPageSize; public uint lpMinimumApplicationAddress; public uint lpMaximumApplicationAddress; public uint dwActiveProcessorMask; public uint dwNumberOfProcessors; public uint dwProcessorType; public uint dwAllocationGranularity; public uint dwProcessorLevel; public uint dwProcessorRevision; } ... [DllImport("kernel32")] static extern void GetSystemInfo(ref SYSTEM_INFO pSI); ... SYSTEM_INFO pSI = new SYSTEM_INFO(...
Post a Comment
Read more

ADO.NET provider with invariant name 'System.Data.SqlClient' could not be loaded

By
Today blog post will be started with the following error when running DB tests on the CI machine: threw exception: System.InvalidOperationException: The Entity Framework provider type 'System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer' registered in the application config file for the ADO.NET provider with invariant name 'System.Data.SqlClient' could not be loaded. Make sure that the assembly-qualified name is used and that the assembly is available to the running application. See http://go.microsoft.com/fwlink/?LinkId=260882 for more information. at System.Data.Entity.Infrastructure.DependencyResolution.ProviderServicesFactory.GetInstance(String providerTypeName, String providerInvariantName) This error happened only on the Continuous Integration machine. On the devs machines, everything has fine. The classic problem – on my machine it’s working. The CI has the following configuration: TeamCity .NET 4.51 EF 6.0.2 VS2013 It see...
8 comments
Read more

Navigating Cloud Strategy after Azure Central US Region Outage

By
 Looking back, July 19, 2024, was challenging for customers using Microsoft Azure or Windows machines. Two major outages affected customers using CrowdStrike Falcon or Microsoft Azure computation resources in the Central US. These two outages affected many people and put many businesses on pause for a few hours or even days. The overlap of these two issues was a nightmare for travellers. In addition to blue screens in the airport terminals, they could not get additional information from the airport website, airline personnel, or the support line because they were affected by the outage in the Central US region or the CrowdStrike outage.   But what happened in reality? A faulty CrowdStrike update affected Windows computers globally, from airports and healthcare to small businesses, affecting over 8.5m computers. Even if the Falson Sensor software defect was identified and a fix deployed shortly after, the recovery took longer. In parallel with CrowdStrike, Microsoft provi...
Post a Comment
Read more