Frontend Server Name is Exposed during Lyncdiscover Query

Hi,
Pls see Yellow Text in below image, my FE Name is Exposed on Internet during LyncDiscover.domainname.com
We are running Lync 2013 Standard Single Server Setup. My Pool Name is same as FrontEnd Server FQDN.
I only want to expose webext.domainname.com FQDN, wondering where is the issue?
Best Regards, Ranjit Singh

Hi Ranjit Singh,
The internal website is published on ports 80/443, while the external site is published on 8080/4443. It is recommend to use a reverse proxy server, such as TMG 2010 or IIS ARR, to publish the
external website and redirect 80/443 from the web to the FE server over 8080/4443.
If you do not use a reverse proxy, this can cause external Lync users unable to access the web services, such as Address Book, Conferencing URL, etc.
Best regards,
Eric
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Hi,
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http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1319961&SiteID=1
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Error: 0xC0202009 at ReportsImport, Connection manager "myconnectionstring": SSIS Error Code DTS_E_OLEDBERROR.  An OLE DB error has occurred. Error code: 0x80004005.
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An OLE DB record is available.  Source: "Microsoft SQL Native Client"  Hresult: 0x80004005  Description: "Named Pipes Provider: Could not open a connection to SQL Server [53]. ".
Error: 0xC020801C at Myprocess import from file, BuyAtReportsImport [79]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER.  The AcquireConnection method call to the connection manager "myconnectionstring" failed with error code 0xC0202009.  There may be error messages posted before this with more information on why the AcquireConnection method call failed.
Error: 0xC0047017 at Myprocess import from file, DTS.Pipeline: component "ReportsImport" (79) failed validation and returned error code 0xC020801C.
Error: 0xC004700C at Myprocess import from file, DTS.Pipeline: One or more component failed validation.
Error: 0xC0024107 at Myprocess import from file: There were errors during task validation.
So even if I change the existing connection properties and save and Build my package again, my connection properties (connectionstring, servername etc) all revert back to its original data source when I re-open the package. Simply it does not seem to be saving the connection properties i put in.
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I don't want to recreate my packages as there are alot and they are not simple.
After changing the connection properties, saving and reloading I get a connection error. But this is because it is not retaining the new connection manger setting i entered.
Incidentally - I created a new SSID to perform a simple connection and write to the the server and it was OK so there is no problem with actually seeing the my test server.
Thanks in advance

Yes, the package is in visual studio and I have executed it. There are no errors but in the output i have the error message about my connection. My dtsConfig file is added to the project in the 'Package Configuration Organizer' and path and files are correct. This is the output error:
Error: 0xC020801C at xx import from file, xxReportsImport [79]: SSIS Error Code DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER. The AcquireConnection method call to the connection manager "myconnectionname" failed with error code 0xC0202009. There may be error messages posted before this with more information on why the AcquireConnection method call failed.
I will try and run it using dtexec.exe. if I have two config files do i use
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