What is RPC Statd?
rpc. statd is a daemon which co-operates with rpc. lockd(8), the NFS file locking daemon) to monitor the status of specified hosts. If a monitored host crashes and restarts, the remote daemon will notify the local daemon, which in turn will notify the local program(s) which requested the monitoring service.
What is the default port for NFS?
By default, the NFS daemon is already configured to run a static port of 2049. The port is true on both TCP and UDP protocols.
What port does Mountd use?
portmapper: 111 (default on all linux distributions) nfs service: 2049 (default on all linux distributions) mountd: 20048 (depends on the linux distribution)
What is Statd in Linux?
statd A daemon that listens for reboot notifications from other hosts, and manages the list of hosts to be notified when the local system reboots sm-notify A helper program that notifies NFS peers after the local system reboots The local NFS lock manager alerts its local rpc.
What is rpc Rquotad?
rquotad is an rpc(3) server which returns quotas for a user of a local filesystem which is mounted by a remote machine over the NFS . The results are used by quota(1) to display user quotas for remote filesystems and by edquota(8) to set quotas on remote filesystems.
Do I need port 111 for NFS?
NFS uses port 2049. NFSv3 and NFSv2 use the portmapper service on TCP or UDP port 111. NFSv4 does not require the portmapper service. NFSv4 provides the delegation feature that enables your storage system to grant local file access to clients.
What is Statd?
What is RPC mount?
The mountd daemon is a Remote Procedure Call (RPC) that answers a client request to mount a file system. The mountd daemon finds out which file systems are available by reading the /etc/xtab file. In addition, the mountd daemon provides a list of currently mounted file systems and the clients on which they are mounted.
How do I disable RPC Rquotad?
The mask operation prevents even root from starting the service:
- Stop and disable the rpc-rquotad.service with systemctl command:
- Mask the service to completely disable it from starting even with root user access.
- Take a restart of the service to verify that the service does not start.
How do I control which ports RPC uses?
Customers using firewalls may want to control which ports RPC is using so that their firewall router can be configured to forward only these Transmission Control Protocol (UDP and TCP) ports. Many RPC servers in Windows let you specify the server port in custom configuration items such as registry entries.
What ports does rpcbind listen on?
rpcbind listens on TCP and UDP port 111. It is the default port number and it doesn’t require special configuration. nfsd listens on TCP and UDP port 2049. It is also the default port number and it doesn’t require special configuration.
What is dynamic port allocation in RPC?
Remote Procedure Call (RPC) dynamic port allocation is used by server applications and remote administration applications such as Dynamic Host Configuration Protocol (DHCP) Manager, Windows Internet Name Service (WINS) Manager, and so on. RPC dynamic port allocation will instruct the RPC program to use a particular random port in
What does the -d parameter do in rpcstatd?
By default, rpc.statd sends logging messages via syslog (3) to system log. The -d argument forces it to log verbose output to stderr instead. This option is mainly for debugging purposes, and may only be used in conjunction with the -F parameter. specify a name for rpc.statd to use as the local hostname.