Debian is a very good Linux distribution which offers very rich feature list including security and many more. For example, you may need to provide a web server (Apache service) to serve web pages. However, if you do not need use a service, you should always turn off all unused services to avoid exploits for this purpose you can use under given few very easy to use tool to manage your startup entries. Debian provided various tools to manage services. There are various methods for managing access to system services:
1) /etc/init.d/service
2) rcconf
3) update-rc.d etc
sysvconfig – Services Startup Configuration Tool
Debian and Ubuntu Linux also offers service command. It can be used to execute System V style init script stored at /etc/init.d/service-name { start|stop|restart|action }.
