NFS daemons

The NFS daemons and their descriptions can be referenced here.

Locking daemons

Item Description
lockd Processes lock requests through the RPC package.
statd Provides crash-and-recovery functions for the locking services on NFS.

Network service daemons and utilities

Item Description
biod Sends the client read and write requests to the server.
mountd Answers requests from clients for file system mounts.
nfsrgyd Performs translation between security principals, NFS version 4 identity strings, and their corresponding numeric system IDs. In addition, mapping of identity information from foreign NFS version 4 domains is provided.
nfsd Starts the daemons that handle a client requests for file system operations.
nfsstat Displays information about the ability to receive calls for a particular machine.
on Executes commands on remote machines.
pcnfsd Handles service requests from PC-NFS clients.
portmap Maps RPC program numbers to Internet port numbers.
rexd Accepts request to run programs from remote machines.
rpcgen Generates C code to implement an RPC protocol.
rpcinfo Reports the status of RPC servers.
rstatd Returns performance statistics obtained from the kernel.
rup Shows the status of a remote host on the local network.
rusers Reports a list of users logged on to the remote machines.
rusersd Responds to queries from the rusers command.
rwall Sends messages to all users on the network.
rwalld Handles requests from the rwall command.
showmount Displays a list of all clients that have mounted remote file systems.
spray Sends a specified number of packets to a host.
sprayd Receives packets sent by the spray command.

Secure networking daemons and utilities

Item Description
chkey Changes the user encryption key.
gssd Provides NFS with access to security services provided by Network Authentication Services.
keyenvoy Provides an intermediary between user processes and the key server.
keylogin Decrypts and stores the user secret key.
keyserv Stores public and private keys.
mkkeyserv Starts the keyserv daemon and uncomments the appropriate entries in the /etc/rc.nfs file.
newkey Creates a new key in the publickey file.
rmkeyserv Stops the keyserv daemon and comments the entry for the keyserv daemon in the /etc/rc.nfs file.
ypupdated Updates information in Network Information Service (NIS) maps.

For additional information on NFS security, see Network File System security in Security.

Sun diskless client support

Item Description
bootparamd Provides information necessary for booting to diskless clients.