I have a small LAN (let's say 192.168.48.0/24) with RedHat 7.3 boxes.  I would like to 
get
mount and autofs mounts working through the firewall.  autofs is configured through 
/etc/auto.master, which specifies a file /etc/auto.my_domain that has the list of 
disks exported 
from other machines to be mounted on this one.

What port(s) do I need to open through the firewall?  portmapper (111)?  nfs (2049)?  
Others? 
(such as statd, mountd, lockd, rquotad?)  The HOWTO describes starting the statd, 
mountd, lockd, 
and rquotad services on specified ports, instead of letting the portmapper give them 
the next 
available port.  Do I *have* to start those services on specified ports on every 
mounting/exporting machine, or is there a slick (but secure) way to tell the firewall 
how to 
deal with the varying-ports issue?  Thanks.

In case it helps, here is the (slightly sanitized) ipchains list I'm running:

Chain input (policy ACCEPT):
target     prot opt     source                destination           ports
ACCEPT     udp  ------  my.domain anywhere              domain ->   1025:65535
ACCEPT     tcp  -y----  anywhere             anywhere              any ->   http
ACCEPT     tcp  -y----  anywhere             anywhere              any ->   ftp
ACCEPT     tcp  -y----  anywhere             anywhere              any ->   telnet
ACCEPT     udp  ------  anywhere             anywhere              bootps:bootpc 
->bootps:bootpc
ACCEPT     udp  ------  anywhere             anywhere              bootps:bootpc 
->bootps:bootpc
ACCEPT     all  ------  anywhere             anywhere              n/a
REJECT     tcp  -y----  anywhere             anywhere              any ->   0:1023
REJECT     tcp  -y----  anywhere             anywhere              any ->   nfs
REJECT     udp  ------  anywhere             anywhere              any ->   0:1023
REJECT     udp  ------  anywhere             anywhere              any ->   nfs
REJECT     tcp  -y----  anywhere             anywhere              any ->   x11:6009
REJECT     tcp  -y----  anywhere             anywhere              any ->   xfs



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