Page Comparison

Option 1: Uninstall NFS server, NFS client, and Portmapper (RPCbind)

Open a command-line terminal and then type the following command:

$ sudo apt-get --purge remove nfs-kernel-server nfs-common rpcbind

Option 2: Portmap lockdown via TCP Wrapper   

 **Note**

Solaris system TCP Wrappers not are enabled by default. Open a command-line terminal and enter the following commands to enable rpcbind TCP Wrappers:

# svccfg -s rpc/bind setprop config/enable_tcpwrappers=true

# svcadm refresh rpc/bind

      (Continue following the instructions below)

Open a command-line terminal and then type the following command:

$ sudo nano /etc/hosts.allowAdd the following lines:

rpcbind: 146.6.101.0/255.255.255.0
rpcbind: 128.83.190.0/255.255.255.0
rpcbind: 129.116.100.192/255.255.255.192
rpcbind: 129.116.238.128/255.255.255.192
rpcbind: 146.6.28.64/255.255.255.192
rpcbind: 146.6.53.0/255.255.255.0
rpcbind: 146.6.177.0/255.255.255.192
rpcbind: 129.116.140.0/255.255.255.0
rpcbind: 129.116.234.0/255.255.255.0
rpcbind: 172.25.1.0/255.255.255.224
rpcbind: 206.76.64.0/255.255.192.0
rpcbind: 198.213.192.0/255.255.192.0
rpcbind: 172.29.0.0/255.255.0.0
rpcbind: 10.0.0.0/255.0.0.0
rpcbind: 10.157.31.128/255.255.255.128
rpcbind: 10.157.33.0/255.255.255.0
rpcbind: 10.157.30.64/255.255.255.192
rpcbind: 10.157.34.0/255.255.255.0
rpcbind: 10.157.26.0/255.255.255.128
rpcbind: 10.157.27.0/255.255.255.0
rpcbind: 10.157.31.0/255.255.255.128
rpcbind: 10.157.29.0/255.255.255.128
rpcbind: 10.157.29.128/255.255.255.128
rpcbind: 10.157.30.0/255.255.255.192

Save the changes made to the file.

Type the following command:

$ sudo nano /etc/hosts.deny 

Add the following lines:

rpcbind: ALL

Save the changes made to the file.