Red Hat NETSCAPE MANAGEMENT SYSTEM 6.0 - COMMAND-LINE Bedienungsanleitung PDF herunterladen (Seite 13)

You can verify what ports RPC (e.g. NFS) is listening on now that you

reconfigured it by issuing the command:

rpcinfo -p

The following information will be shown:

program vers proto port

100000 2 tcp 111 portmapper

100000 2 udp 111 portmapper

100011 1 udp 660 rquotad

100011 2 udp 660 rquotad

100011 1 tcp 663 rquotad

100011 2 tcp 663 rquotad

100003 2 udp 2049 nfs

100003 3 udp 2049 nfs

100003 2 tcp 2049 nfs

100003 3 tcp 2049 nfs

100021 1 udp 4002 nlockmgr

100021 3 udp 4002 nlockmgr

100021 4 udp 4002 nlockmgr

100021 1 tcp 4002 nlockmgr

100021 3 tcp 4002 nlockmgr

100021 4 tcp 4002 nlockmgr

100005 1 udp 4001 mountd

100005 1 tcp 4001 mountd

100005 2 udp 4001 mountd

100005 2 tcp 4001 mountd

100005 3 udp 4001 mountd

100005 3 tcp 4001 mountd

Finally, you need to allow portmapper, nfs and your new nfs ports through

IPTables. If you’re setting up iptables as I usually do and are just using the

default INPUT chain, you would configure your iptables something like this:

First, delete your last DROP line:

iptables –D INPUT –j DROP

Next, add all the necessary TCP and UDP ports for NFS:

iptables –A INPUT –p tcp --dport 111 –j ACCEPT

iptables –A INPUT –p udp --dport 111 –j ACCEPT

iptables –A INPUT –p tcp --dport 2049 –j ACCEPT

iptables –A INPUT –p udp --dport 2049 –j ACCEPT

iptables –A INPUT –p tcp --dport 4000:4002 –j ACCEPT

iptables –A INPUT –p udp --dport 4000:4002 –j ACCEPT

Add your final DROP line back in:

iptables –A INPUT –j DROP

Finally, save and restart iptables:

service iptables save

service iptables restart

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