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 Modifying the block of in IP address 

For your information, it is now possible to change a block of a user/IP address, without unblocking first. The way to do it is:
Go to the block user page for the user/IP address.
Set the new settings.
Check the ""Re-block the user with these settings"" box.
Click on the block button.
For your information,  Od Mishehu "