 | | | firewalls besides iptables | firewalls besides iptables 2005-04-08 - By Margaret Doll
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I have opened some ports in iptables on an Enterprise 3 system to allow
nfs mounting of its partitions on other systems. When I do an "nmap"
on this system from a second system, I see that some of the ports that
I thought I had opened are closed and some are open.
Is there something besides iptables that might be running on the system?
I did not set up the "problem" system, so I do not know all the steps
that were involved in the setup. Other Enterprise 3 systems that I
have do have these "closed" ports open.
nfs is not working properly on the first system. It does work if I
stop the iptables services altogether.
The other "strange" thing about the system is that "rpcinfo -p" shows
portmapper, rquotad, nfs, mountd and status. nlockmgr and sgi_fam are
not present. Services portmap, nfs and nfslock have been started.
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