ncsd -- I have a feeling the system has been hacked through
bind ...and ncsd corrupted.


On 18 Jun 03 at 14:20, Rick Moen wrote:

> Quoting Maria Aurora de la Vega ([EMAIL PROTECTED]):
> 
> 
> > Date: Tue, 18 Jun 2002 21:07:40 +0800
>                     ^^^^
> 
> Would you like to buy some stock tips?
> 
> > we need to take off a few processes from our server
> > we'd like to know what the following processes are for...
> > and if we really need them hanging around...
> > 
> > bin        208     1  0 12:41 ?        00:00:00 /sbin/portmap
> > root       226     1  0 12:41 ?        00:00:00 /usr/sbin/syslogd
> > root       230     1  0 12:41 ?        00:00:00 /usr/sbin/klogd -c 1
> > root       451     1  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       453   451  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       454   453  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       455   453  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       456   453  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       457   453  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       458   453  0 12:41 ?        00:00:00 /usr/sbin/nscd
> > root       505     1  0 12:41 tty1     00:00:00 /sbin/mingetty --noclear
> > tty1
> > root       506     1  0 12:41 tty2     00:00:00 /sbin/mingetty tty2
> > root       507     1  0 12:41 tty3     00:00:00 /sbin/mingetty tty3
> > root       506     1  0 12:41 tty2     00:00:00 /sbin/mingetty tty2
> > root       507     1  0 12:41 tty3     00:00:00 /sbin/mingetty tty3
> > root       508     1  0 12:41 tty4     00:00:00 /sbin/mingetty tty4
> > root       509     1  0 12:41 tty5     00:00:00 /sbin/mingetty tty5
> > root       510     1  0 12:41 tty6     00:00:00 /sbin/mingetty tty6
> > root       558   511  0 12:50 ?        00:00:10 kwm
> > root       644     1  0 12:50 ?        00:00:00 kfm
> > root       647     1  0 12:50 ?        00:00:00 krootwm
> > root       653     1  0 12:50 ?        00:00:00 kbgndwm
> > root       654     1  0 12:50 ?        00:00:00 kpanel
> 
> 
> OK, here goes:
> 
> "nscd" is the glibc nameservice caching daemon, used almost entirely in
> NIS-based networks to ease network performance problems on account of
> the nameservice overhead.  Unless you're running a very
> performance-sapping network nameservice such as NIS, NIS+, or LDAP, you
> should turn this _off_.
> 
> Even if you elect to leave it turned on, you should disable its caching
> of DNS information, because it has a habit of caching DNS data past its
> time-to-live expiration.
> 
> "portmap" is the Sun Microsystems RPC portmapper, a network service used
> primarily as a transport for NIS and NFS on the server end (only).  If
> your machine isn't functioning as an NFS or NIS server, then turn it
> off.
> 
> "syslogd" and "klogd" are important system logging daemons.  Leave them
> on.
> 
> "mingetty" (minimum-sized get TTY service) is what provides you with
> your six virtual consoles, the ones you can switch among using
> Ctrl-Alt-F1, Ctrl-Alt-F2, etc.  You probably don't need six, and can
> save some RAM by commenting out four of the lines in /etc/inittab, the
> ones that look like this:
> 
> 1:2345:respawn:/sbin/getty 38400 tty1
> 2:23:respawn:/sbin/getty 38400 tty2
> 3:23:respawn:/sbin/getty 38400 tty3
> 4:23:respawn:/sbin/getty 38400 tty4
> 5:23:respawn:/sbin/getty 38400 tty5
> 6:23:respawn:/sbin/getty 38400 tty6
> 
> Put a "#" character in front of the lines starting with 3 through 6.
> Next time you enter your default runlevel, you'll have only two copies
> of mingetty running.
> 
> All those processes at the end of the list starting with "k" are KDE
> pieces.  If I were you, I simply wouldn't run those or any X11 stuff on
> a server at all.  Change your configuration (using YaST2 or whatever) to
> just not start up XFree86.  That will save a whole lot of RAM.
> 
> -- 
> Cheers,              First they came for the verbs, and I said nothing, for
> Rick Moen            verbing weirds language.  Then, they arrival for the nouns
> [EMAIL PROTECTED]  and I speech nothing, for I no verbs. - Peter Ellis
> --
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