There are different ways.. One way is:
1- Install
WebTemplates
2- Click "Create new Webtemplates" in Admin CP
3- Copy paste your HTML file's source code into the webtemplate and give it a name.
4- In the begining of the webtemplate put
PHP Code:
[cantsee]everybody[/cantsee]
[cansee]2 5 6 7[/cansee]
Now only registered users, Mods, S.Mods and Admins will be able to access this wetemplate and others will get no permission page..