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Backing up SQL Server through a firewall Expand / Collapse
Posted Thursday, November 19, 2009 3:10 PM


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We plan to install a web app with sql server 2008 installed outside our firewall. The problem is that our backup filer is inside the firewall and we won't be allowing traffic to start from outside the firewall into our network. Can we use a SQL Server instance inside the firewall to access the outside server and back it up? Another idea would be to back up the database locally and then have a copy job pull the backup file through the firewall.
Post #821983
Posted Thursday, November 19, 2009 4:04 PM

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Do you mean in the DMZ of the firewall or really outside the firewall? I hope it's the former ...

I would look to place the SQL Server inside the firewall with a connection back from the web server in the DMZ. If you cannot do this, then in the DMZ it has to go.

If this is the case, backup locally and pull the files back using ftp/sftp. This should be easy on the firewall rules but don't forget to only allow connections from an IP address within the firewall. xcopy is an option but I would stay away from this if you are going through the firewall.

Hope this helps.
Post #822004
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