I normally have an nfs server running on one of my machines. Now nfs
itself and the portmapper start on fixed ports, but the rpc services
start on random ports so they need to be assigned fixed ports in
/etc/sysconfig/nfs like so:
LOCKD_TCPPORT=4000
STATD_PORT=4002
RQUOTAD_PORT=4003
LOCKD_UDPPORT=4000
MOUNTD_PORT=4001
then open up the corresponding ports in the firewall.
That was as of Fedora 14 which I had running before upgrading to Fedora
19. Now in F19 I did the same thing, but the rpc services seem to start
on ports other than the ones I specified:
60) root:~> rpcinfo -p
program vers proto port service
100000 4 tcp 111 portmapper
100000 3 tcp 111 portmapper
100000 2 tcp 111 portmapper
100000 4 udp 111 portmapper
100000 3 udp 111 portmapper
100000 2 udp 111 portmapper
100024 1 udp 37527 status
100024 1 tcp 42571 status
100003 2 tcp 2049 nfs
100003 3 tcp 2049 nfs
100003 4 tcp 2049 nfs
100227 2 tcp 2049 nfs_acl
100227 3 tcp 2049 nfs_acl
100003 2 udp 2049 nfs
100003 3 udp 2049 nfs
100003 4 udp 2049 nfs
100227 2 udp 2049 nfs_acl
100227 3 udp 2049 nfs_acl
100021 1 udp 4000 nlockmgr
100021 3 udp 4000 nlockmgr
100021 4 udp 4000 nlockmgr
100021 1 tcp 4000 nlockmgr
100021 3 tcp 4000 nlockmgr
100021 4 tcp 4000 nlockmgr
100011 1 udp 875 rquotad
100011 2 udp 875 rquotad
100011 1 tcp 875 rquotad
100011 2 tcp 875 rquotad
100005 1 udp 20048 mountd
100005 1 tcp 20048 mountd
100005 2 udp 20048 mountd
100005 2 tcp 20048 mountd
100005 3 udp 20048 mountd
100005 3 tcp 20048 mountd
So nlockmgr does get assigned port 4000 as specified by me. The other
ones seem to start on the ports defined in /etc/services. For instance,
62) root:~> grep mountd /etc/services
mountd 20048/tcp # NFS mount protocol
mountd 20048/udp # NFS mount protocol
Does anyone what's going on?
Are the rpc services now (i.e. in F19) being started on fixed ports?
Because if that's the case I can open up those ports in the firewall and
I'm all set.
If I wanted to change what ports they run on, what would I do? I mean,
even if IANA specifies 20048 for mountd, shouldn't I be able to run it on
a different port if I wanted to?
Sorry, I'm probably a few versions behind.
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