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Sunday, July 17, 2005
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I spent some time yesterday upgrading my SBS2003 home network to SP1.  The document written by the SBS MVP’s on “How to Install Service Pack 1 for SBS 2003” was very helpful in this regard. Thank You!

I currently have a networked Tivo in my home network which I moved to a land line some time ago, primarily so that I could beef up the security on my wireless network.  The Tivo firmware STILL does not support anything more than WEP and I most definitely was not comfortable with the “security” of WEP.  The key point with having the Tivo on the home network is that, if you want it to use the network to connect to the Tivo service, you need to set it up as a SecureNAT client.

In ISA Server 2004 2000, in addition to setting it up as a SecureNAT client, I had to open the out-bound TCP ports 1026, 4006 and 8080 for the Tivo to connect to the service. The great thing in ISA 2004 was that I could get rid of all of those extra items that I needed to set up. 

In ISA Server 2004:

  • Internet Access Firewall Policy: Tivo => External Network
    External network is predefined in ISA and I added the Tivo as a Computer Network Object
  • Protocol == All Out-bound Traffic
  • Condition == All Users
    All Users group includes both authenticated and unauthenticated users. The SecureNAT client is an unauthenticated user.
  • Go into the HTTP Protocol and disable the “Web Proxy”  Application Filter.

The above limits unauthenticated users to the Tivo box which is now on a closed land line network which I physically control.  All other machines in the network require authentication and utilize the ISA 2004 Firewall client.

Tags:: Security
7/17/2005 1:16 PM Eastern Daylight Time  |  Comments [3]  |  Disclaimer  |  Permalink   
Thursday, July 28, 2005 7:36:36 PM (Eastern Daylight Time, UTC-04:00)
Ran across your blog while researching backup plans and security for a home network. From what I have read it appears that we have similiar setups. Mine is minus the deticated server. Do you have a backup plan for your network? I have two users on four machines and I am trying to come up with a nice automated procedure.

Keep up the good work.
Thursday, July 28, 2005 8:56:24 PM (Eastern Daylight Time, UTC-04:00)
Bill -- Absolutely. First of all, all of my client machines have their My Documents folder redirected to the server and I have "trained" my family :-) to not put any of their documents outside of the My Documents structure. (Since they run as local user's and not as a power user or administrator, they really don't have the permissions to write to the local file system anyway). I have a base machine snapshot of the OS that I can use to quickly restore their machines if I need to flatten and rebuild their machines. My personal machines (desktop and laptop) are backed up to to the server using NT backup on a nightly basis.

My server is configured with hardware RAID 1 (Mirrored) and is running off a big UPS. SBS has a very nice back up scheme using the built in backup softare that actually backs up my exchange, Sharepoint, file system and more. That backup is done every other night to an external USB 2.0 hard disk. I also replicate the client back-ups to the USB drive at the same time. I usually take the USB drive back and forth with me to work just to have it off-site when I am not at home.

All in all, I use a combination of the built in back up software and some batch files running using windows scheduler. I've been pretty happy with it so far.
Anil John
Monday, November 28, 2005 7:02:09 AM (Eastern Standard Time, UTC-05:00)
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