Building to Building Security

I am looking to implement a point to multipoint wireless bridge network. Security is of high importance and I am looking at ways of providing security to 802.11b. Is IPSec the way forward or should I be looking at 802.1x LEAP as a viable alternative. If IPSec how should I bring the remote sites in to the VPN (assuming I use a VPN Concentrator on the main site). Should I use another VPN Concentrator or is client software the best practise. Any advice on this subject would be great.

Client software would be sufficient. If the users are sensitive to "extra steps to connect" you may want to consider something like a PIX 501 feeding the bridge and acting as the remote VPN endpoint.
LEAP has been compromised in some way in recent history but I haven't read the reports, and I do not know if it's a genuine issue. You may want to search around and see for yourself.
Good Luck
Scott

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TF215097: An error occurred while initializing a build for build definition : Could not establish trust relationship for the SSL/TLS secure channel

Hello,
We are facing an issue when triggering a new build using TFS 2013 Update 4, VS2013 Update 4 using TFVCTemplate.12.XAML template. All our other older build definitions just work fine but not the TFVCTemplate.12.XAML. It seems to me that some certificate
might be invalidated. Can anyone please point me in the right direction?
Thanks,
Mitul
TF215097: An error occurred while initializing a build for build definition :
Exception Message: One or more errors occurred. (type AggregateException)
Exception Stack Trace: at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
at Microsoft.TeamFoundation.Build.Client.FileContainerHelper.GetFile(TfsTeamProjectCollection projectCollection, String itemPath, Stream outputStream)
at Microsoft.TeamFoundation.Build.Client.FileContainerHelper.GetFileAsString(TfsTeamProjectCollection projectCollection, String itemPath)
at Microsoft.TeamFoundation.Build.Client.ProcessTemplate.Download(String sourceGetVersion)
at Microsoft.TeamFoundation.Build.Hosting.BuildControllerWorkflowManager.PrepareRequestForBuild(WorkflowManagerActivity activity, IBuildDetail build, WorkflowRequest request, IDictionary`2 dataContext)
at Microsoft.TeamFoundation.Build.Hosting.BuildWorkflowManager.TryStartWorkflow(WorkflowRequest request, WorkflowManagerActivity activity, BuildWorkflowInstance& workflowInstance, Exception& error, Boolean& syncLockTaken)
Inner Exception Details:
Exception Message: An error occurred while sending the request. (type HttpRequestException)
Exception Stack Trace: at Microsoft.VisualStudio.Services.WebApi.VssHttpRetryMessageHandler.<SendAsync>d__1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
at Microsoft.VisualStudio.Services.WebApi.HttpClientExtensions.<DownloadFileFromTfsAsync>d__2.MoveNext()
Inner Exception Details:
Exception Message: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. (type WebException)Exception Stack Trace: at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at System.Net.Http.HttpClientHandler.GetResponseCallback(IAsyncResult ar)
Inner Exception Details:
Exception Message: The remote certificate is invalid according to the validation procedure. (type AuthenticationException)
Exception Stack Trace: at System.Net.TlsStream.EndWrite(IAsyncResult asyncResult)
at System.Net.ConnectStream.WriteHeadersCallback(IAsyncResult ar)

Hi Mitul,
Thanks for your reply.
It’s strange, if your old build definitions can work using the same TFS Build Server, that indicate your TFS Server configuration is correct and can works. But only new build definition with default TfvcTemplate.12.xaml template cannot build successful.
Please share your TFS Server detailed environment information here. And share your
Build Service Properties dialog screenshot here.
Try to clean the Cache for TFS 2013 manually(delete the content of the folder only, not the cache folder itself):
Clean the Cache folder on Server machine. The folder path is:
C:\Program Files\Microsoft Team Foundation Server 12.0\Application Tier\Web Services\_tfs_data.
After cleaned, on Server machine, click Start and select
Run… to open the dialog box, then input iisreset.exe and click OK, wait it run completely.
Additionally, you can run the TFS 2013 Power Tools BPA to scan the installation of your TFS Server.
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
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1310 Bridge-Building to Building advice.

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Thanks

Hey there,
If you use a BR1310 to cover 3 T1s you should be fine.
The BR1310 can get up to 54mbs (28mbs in reality due the the nature of half duplex devices such as these bridges).So even with less than ideal signal quality and strength you should have no problem getting that kind of throughput.Ideal links get in the low to mid 20s.
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Regards,
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Bridge 1300 building to building link for VOIP Data Rates settings and QoS

Hi,
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Default is
speed basic-1.0 basic-2.0 basic-5.5 6.0 9.0 basic-11.0 12.0 18.0 24.0 36.0 48.0
54.0
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Thks
Best Regards
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Hello Jaime,
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I've attached you.) and I've got the same error. So the code or any dynamic VIs are not the problem.
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Javier de Pablos
Attachments:
Untitled.vi ‏13 KB
gg.bld ‏1 KB

Problems in using Application Builder to Build a exe file with Report generation Toolkit

Hello,
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If the code works OK in the development system but not in an executable there are a few things you can check. The two most likely causes are:
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Mike...
Certified Professional Instructor
Certified LabVIEW Architect
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"... after all, He's not a tame lion..."
Be thinking ahead and mark your dance card for NI Week 2015 now: TS 6139 - Object Oriented First Steps

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<moved from downloading,installing, setting up - kglad>

The fix: Change the namespace on the second line of <project root>/src/ANESampleTest-app.xml
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2. Use the default Flex 4.5 sdk.
3. Configure as a web application.
3. Place the following MXML code in the main application file:
<?xml version = "1.0" encoding = "utf-8"?>
<s:Application xmlns:fx = "http://ns.adobe.com/mxml/2009"
xmlns:s = "library://ns.adobe.com/flex/spark"
xmlns:mx = "library://ns.adobe.com/flex/mx"
minWidth = "955"
minHeight = "600">
<fx:Declarations>

</fx:Declarations>
<s:TextArea text = "Hello World!" width = "100%" height = "100%">
</s:TextArea>
</s:Application>
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Actual Results:
Flash movie appears blank. Context menu shows Movie Not Loaded. Network traffic shows application main swf downloaded. Framework dependent swfs not downloaded.
Expected Results:
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Workaround (if any):
Deploy on an Apache web server.
The tests were run on IIS 7.x (7.0 for one, and 7.5)
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http://staging.ibenergy.com/Test.html
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Just tried this out on an IIS server with Flash player 10.3.181.14 - it worked.
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The URL you mentioned gives me a 403 forbidden error.
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We have a requirement to link two adjacent buildings that are about 20-metres apart over a public road. I need some advice on what the best solution will be.
Initial thoughts are a pair of Aironet 1300's configured as Wireless Bridges but the antenna type and where to mount them is confusing me. Will the internal patch antennas be enough for this or will we need external antennas? If so what type - directional or? Do the AP's need to be mounted externally or can we simply mount them internally facing each other through windows? What do we need to be aware of regards signal overlaps and interference etc?
What looked like a simple setup seems to have opened a can of worms....
Thanks
Andy

Hi Andy,
The 20m distance is quite short.
In this case, as recommended by Cisco*, for AP1300 series, you can use the AIR-ANT2410Y-R antenna. This directional antenna can be used/installed indoor or outdoor.
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Approximate Indoor Range at 54 Mbps: 165 ft (50 m)
*http://www.cisco.com/en/US/products/ps5861/products_data_sheet09186a008022198b.html
Look under 'Table 4. Antennas for the Cisco Aironet 1300 Series Outdoor Access Point/Bridge with RP-TNC Type Connector'.
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Since the distance is only 20m, you can play around with the transit power to control the signal distance.
As for overlapping channel & probability of interference, do a simple site survey (can use freeware NetStumbler) and make sure your antenna does not mounted near equipment like microwave, or any equipment that produced high frequency noise.
Hope this helps.
Rgds,
AK

Building to Building Security

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