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I'm curious as over several years ever since I started researching about computer security, SMB has been a place where remote code execution happens the most on the windows OS. Especially With the recent vulnerability MS17-010 Eternal blue. Therefore I am wondering if the Windows 7 SP1 installer has port 135 and port 445 opened by default?

Z3R0_XP
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They're closed on the default install of the original ISOs. It will open up as soon as you start sharing a printer or a folder. But consider that there are a lot of custom Windows around, and I think it's possible that some customizer enables files and print sharing (to make a public shared folder on their default install, for instance).

Marco
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