can someone help me please with htaccess

[ruslan.tx]

I'm moving from SMF to Vbulletin, because my forum does't index with major search engines. Can somebody help with my htaccess, Please?
Here is my copy of htaccess:
# -FrontPage-

Options None

<Limit GET POST>
order deny,allow
deny from all
allow from all
require group authors administrators
</Limit>
<Limit PUT DELETE>
order deny,allow
deny from all
</Limit>
AuthType Basic
AuthName www.mysite.com
AuthUserFile /var/chroot/home/content/e/a/g/mysite/html/_vti_pvt/service.pwd
AuthGroupFile /var/chroot/home/content/e/a/g/mysite/html/_vti_pvt/service.grp

AddDefaultCharset windows-1251

Thanks Ruslan.