Network File System (NFS) is used by UNIX clients for file access. NFS uses port 2049. NFSv3 and NFSv2 use the portmapper service on TCP or UDP port 111.
Does NFS use TCP or UDP?
All versions of NFS can use Transmission Control Protocol (TCP) running over an IP network, with NFSv4 requiring it. NFSv2 and NFSv3 can use the User Datagram Protocol (UDP) running over an IP network to provide a stateless network connection between the client and server.
How do I allow TCP and UDP port 2049 for NFS?
To configure a firewall to allow NFS, perform the following steps:
- Allow TCP and UDP port 2049 for NFS.
- Allow TCP and UDP port 111 ( rpcbind / sunrpc ).
- Allow the TCP and UDP port specified with MOUNTD_PORT=” port “
- Allow the TCP and UDP port specified with STATD_PORT=” port “
Which NFS version does support TCP and UDP protocol?
NFS version 2 uses the User Datagram Protocol (UDP) to provide a stateless network connection between the client and server. NFS version 3 can use UDP or TCP running over an IP.
Is port 80 TCP or UDP?
Service Name and Transport Protocol Port Number Registry
|Service Name||Port Number||Transport Protocol|
Is NFS a file system?
NFS, or Network File System, was designed in 1984 by Sun Microsystems. This distributed file system protocol allows a user on a client computer to access files over a network in the same way they would access a local storage file. Because it is an open standard, anyone can implement the protocol.
Is NFS still used?
The most common NFS in use today, NFSv3, is 18 years old — and it’s still widely used the world over. … Sure, there are still millions of Unix boxes using NFS, but now there are also millions of virtualized Windows servers that are running from NFS storage through the hypervisor.
Is port 2049 UDP or TCP?
Port 2049 Details
What ports do I need to open for NFS?
Port 111 (TCP and UDP) and 2049 (TCP and UDP) for the NFS server. There are also ports for Cluster and client status (Port 1110 TCP for the former, and 1110 UDP for the latter) as well as a port for the NFS lock manager (Port 4045 TCP and UDP).
What is TCP and UDP?
TCP is a connection-oriented protocol. Connection-orientation means that the communicating devices should establish a connection before transmitting data and should close the connection after transmitting the data. UDP is the Datagram oriented protocol. … It is because it provides flow control and acknowledgment of data.
Is NFS or SMB faster?
If you have similar needs as I do (Windows machines) you might be surprised to find out that Samba is 20% faster than NFS.
What are the main features of NFS?
Features of the NFS Service
- NFS Version 2 Protocol. Version 2 was the first version of the NFS protocol in wide use. …
- NFS ACL Support. Access control list (ACL) support was added in the Solaris 2.5 release. …
- NFS Over TCP. …
- Network Lock Manager and NFS. …
- NFS Large File Support. …
- NFS Client Failover. …
- Kerberos Support for the NFS Service. …
- WebNFS Support.
What is NFS vs SMB?
NFS vs. SMB. Server Messaging protocol (SMB) is the native file sharing protocol implemented in Windows systems. … The Network File System (NFS) protocol is used by Linux systems to share files and folders.
Is port 53 UDP or TCP?
DNS has always been designed to use both UDP and TCP port 53 from the start 1 , with UDP being the default, and fall back to using TCP when it is unable to communicate on UDP, typically when the packet size is too large to push through in a single UDP packet.
Is port 80 A TCP?
Port 80 is one of the most commonly used port numbers in the Transmission Control Protocol (TCP) suite. Any Web/HTTP client, such as a Web browser, uses port 80 to send and receive requested Web pages from a HTTP server.
Is port 443 TCP or UDP?
Port 443 Details