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View Server Connections?

I have a Debian server running vsFTPd but from time to time I do take the machine down for dusting and maitenance and was wondering if there is a simple solution to be able to make sure nobody is connected to machine via ssh, ftp, web, and or any other connections. Is there a way to verify this before I shut down?

Thanks for any info.

try

Code:

netstat

What am I looking at?

Code:

stricom:/# netstat

Active Internet connections (w/o servers)

Proto Recv-Q Send-Q Local Address          Foreign Address        State

tcp6      0    208 ::ffff:192.168.1.10:ssh ::ffff:192.168.1.:58988 ESTABLISHED

tcp6      0      0 ::ffff:192.168.1.10:www ::ffff:192.168.1.:48269 TIME_WAIT

tcp6      0      0 ::ffff:192.168.1.10:www ::ffff:192.168.1.:48270 TIME_WAIT

Active UNIX domain sockets (w/o servers)

Proto RefCnt Flags      Type      State        I-Node Path

unix  5      [ ]        DGRAM                    3634    /dev/log

unix  2      [ ]        DGRAM                    4083

unix  3      [ ]        STREAM    CONNECTED    4080

unix  3      [ ]        STREAM    CONNECTED    4079

unix  2      [ ]        DGRAM                    3711

unix  2      [ ]        DGRAM                    3651

It is not very clear to me...

I guess the ESTABLISHED tcp connections that have a foreign IP outside your network...