Solved

Safe Microsoft address

Posted on 2006-11-20
1
1,357 Views
Last Modified: 2008-02-07
I've been trying to lock down my home computer and would like to start by only allowing Microsoft update internet addresses.  It seems 207.46.0.0 255.255.0.0 and 65.52.0.0 to 65.55.255.255 are registered to Microsoft as seen by a "whois" but other addresses are not so obvious.  Is there a location that lists all the addresses that Microsoft might what to use to "call home"?
0
Comment
Question by:alante
1 Comment
 
LVL 38

Accepted Solution

by:
Rich Rumble earned 250 total points
ID: 17980540
Their DNS or someone with a lot of time mapping the M$ address space.
 host update.microsoft.com (if not on *nix use: http://www.checkwhois.org/ )
update.microsoft.com is an alias for update.microsoft.com.nsatc.net.
update.microsoft.com.nsatc.net has address 64.4.23.190
update.microsoft.com.nsatc.net has address 65.55.192.29
update.microsoft.com.nsatc.net has address 207.46.209.124

BIG sites like M$, Google, Yahoo, Amazon etc... use round-robin DNS so that one IP doesn't get all the traffic, and further, those IP's are also load balanced with load-balancer appliances like the Cisco CSS, F5, BigIP etc... so there can actually be hundreds and thousands of servers that answer to those public ip's. Try pinging google.com every few minutes, you'll likely get a different IP most of the time.
-rich
0

Featured Post

Complete VMware vSphere® ESX(i) & Hyper-V Backup

Capture your entire system, including the host, with patented disk imaging integrated with VMware VADP / Microsoft VSS and RCT. RTOs is as low as 15 seconds with Acronis Active Restore™. You can enjoy unlimited P2V/V2V migrations from any source (even from a different hypervisor)

Join & Write a Comment

Container Orchestration platforms empower organizations to scale their apps at an exceptional rate. This is the reason numerous innovation-driven companies are moving apps to an appropriated datacenter wide platform that empowers them to scale at a …
By this time the large percentage of day-to-day transactions have shifted to mobile banking; here are some overriding areas QAs must investigate while testing mobile banking apps.  
Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). First, Just open a new email message.  In the To field, type your recipient's fax number @efaxsend.com. You can even send a secure international fax — just include t…
This video discusses moving either the default database or any database to a new volume.

758 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

19 Experts available now in Live!

Get 1:1 Help Now