How to disable port/service in Ubuntu 8.04

[Ashish Yadav]

>
> In Ubuntu, most services are started and stopped using scripts
> in /etc/init.d. See "man update-rc.d" for a relatively easy way to make
> any changes permanent.
>

I don't the serivces running, inside "/etc/init.d".

>
> No, but it can block them. Which is a good thing to do.
>

By close I meant "block" only, but I don't see a option of doing that
in "Preferences". Where can I "block" a port?

-- 
Regards,

Ashish

"There are 10 types of people; those who understand binary, and those who don't"