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Option 1: Uninstall NFS server, NFS client, and Portmapper (RPCbind) Open Open a command-line terminal and then type the following command: $$ sudo apt-get --purge remove nfs-kernel-server nfs-commonrpcbindOption 2:Portmap Lockdown via TCP Wrapper rpcbind
Option 2: Portmap lockdown via TCP WrapperWrapper **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:
# svcadm refresh rpc/bind (Continue following the instructions below) For all other Linux systems: 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 Save the changes made to the file. Type the following command: $ sudo nano /etc/hosts.deny Add the following lines: rpcbind rpcbind: ALLSave the changes made to the file. |
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