Browse by Tags

All Tags » Networking General (RSS)
10-27-2008 16:25

Massive SBS Server and Network Cleanup

Something I have been doing frequently for the last 18 months of so is cleanups of SBS 2003 servers and their associated networks. I have a number of clients in the IT Support industry who ask me to clean up their client's servers. Two of them get a new...
Posted by Sembee
Filed under: , , , ,
09-09-2008 23:20

Testing Antivirus Exclusions

As you should be aware, certain directories on an Exchange server should be excluded from scanning by antivirus products. These are Microsoft's recommendations on which directories those should be: Exchange 2007: http://technet.microsoft.com/en-us/library...
Posted by Sembee
Filed under: , , ,
03-17-2008 19:50

Detecting Vista in Login Scripts #2

Last year I wrote about how I was caught out with detecting Vista in login scripts ( http://blog.sembee.co.uk/archive/2007/01/06/31.aspx ). Following the release of Service Pack 1 for Windows Vista, I was caught out again as the version number has changed...
Posted by Sembee
Filed under:
03-13-2008 19:45

One morning you find that there is spam in the queues, your server has been blacklisted etc...

One of the worst experiences for an Exchange administrator is to come in one morning and find that either email is being blocked, the queues are long or the users are getting NDRs saying that the server is blacklisted. This seems to result in confusion...
Posted by Sembee
Filed under: , , ,
06-28-2007 23:55

New Articles on amset.info

I have written a number of new articles for our technical site amset.info and finished off some that have been in preparation for a while. Plus many articles have had minor revisions, links updated etc. Exchange Related Articles SMTP Diagnostics A quick...
Posted by Sembee | 1 comment(s)
Filed under: , , ,
01-06-2007 22:55

Detecting Vista in Login Scripts

On my technical site amset.info I have an article on how to detect the operating system in a login script. The method that I use is to dump the results of ver out to a text file, then find the version number in those results. Here is a code snippet based...
Posted by Sembee
Filed under:
09-18-2006 22:40

Experiences with Grey Listing

I have heard from many sources that grey listing can be an effective weapon for fighting spam, yet hadn't had an opportunity to try it out. However one of my clients was being hammered hard with spam, with 700+ messages a day being filtered by Intelligent...
Posted by Sembee | 2 comment(s)
Filed under: , , ,
07-08-2006 22:35

Internet Service Separation

One of the tactics I have been using with my clients for many years is something I call internet service separation. This is where I use different providers for different aspects of the internet service that the client needs. This doesn't go down well...
Posted by Sembee
Filed under:
07-02-2006 22:30

Three Rules of Microsoft Licensing

I have been posting these three rules of software licensing in various forums for a couple of years now, so it made sense to include them here. Purchasing software licenses for Microsoft products is daunting, with multiple choices and schemes available...
Posted by Sembee
Filed under:
03-06-2006 23:05

VPN Through a PIX

Stuck out on site with a client, I couldn't connect to home via VPN. The client has a Cisco PIX and a quick bit of research showed that while the PIX will allow PPTP pass-through, it isn't enabled by default. Apparently you need 6.3 of the PIX software...
Posted by Sembee
Filed under:
03-05-2006 22:55

Why you shouldn't use Self Generated SSL Certificates

A constant theme on many of the Internet forums is the use of self generated SSL certificates versus purchased SSL certificates, particularly when deploying RPC over HTTPS or Outlook Web Access. Many people will advocate that using a self generated certificate...
Posted by Sembee | 1 comment(s)
Filed under: , , , , ,