TCP port 993 hijacked by mountd, rpc.statd
Martin.Ward at durham.ac.uk
Mon Aug 22 11:49:55 GMT 2005
Way back on Wed Jun 2 07:13:23 PDT 2004 on freebsd-questions you wrote:
> I have a production mail server that runs imaps. Sometimes when I reboot,
> tcp port 993 (imaps according to /etc/services) is taken by either
> rpc.statd or (currently) mountd before inetd starts, which causes imaps to
I just had the same problem with my Linux Mandrake system.
I found your message via Google.
One solution I found is to tell mountd and statd to use a particular
port, instead of the random one assigned by portmap, using the -p option.
On my system, mountd and statd are started up by /etc/rc.d/init.d/nfs
which reads /etc/sysconfig/nfs for confif options. I just had to uncomment
two lines in /etc/sysconfig/nfs:
# Pin mountd to a given port rather than random one from portmapper
# Set fixed port for statd
If you can find the startup script that starts mountd and statd and add
"-p 4002" to mountd and "-p 4000" to statd, then that should fix the problem.
/etc/sysconfig/nfs has similar entries for lockd:
But the man page says that rpc.lockd "is usually not requred".
Martin.Ward at durham.ac.uk http://www.cse.dmu.ac.uk/~mward/ Erdos number: 4
G.K.Chesterton web site: http://www.cse.dmu.ac.uk/~mward/gkc/
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