Debian Configuration :: Can't Shutdown Cups And Avahi-daemon

I've been using linux for a few months. Recently I have installed debian jessie and I'm learning how to secure my laptop. I have installed

Code: Select allapt-get install sysv-rc-conf

to shutdown few services that I believe I don't need at boot which I found very useful. Among others I have deselected avahi-daemon, cups, cups-browsed, etc. The problem is that, after rebooting, when running:

Code: Select allnetstat -lntup

I still find 'avahi-daemon: r' and 'cupsd' running. I have tried

Code: Select allsystemctl stop cups
systemctl disable cups
systemctl stop avahi-daemon
systemctl disable avahi-daemon

But after rebooting these services are aklways running. I do not know whta to do.

Output of netstat -lntup

Code: Select all[*]Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:631           0.0.0.0:*               LISTEN      250/cupsd       
tcp6       0      0 ::1:631                 :::*                    LISTEN      250/cupsd       
udp        0      0 0.0.0.0:16409           0.0.0.0:*                           526/dhclient   
udp        0      0 0.0.0.0:68              0.0.0.0:*                           526/dhclient   

[Code] ....

I'm aware that cups seems to work just for my printer but I do not understand why I can't just disable it.