This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for duplex, bidirectional traffic. They usually use port numbers that match the services of the corresponding TCP or UDP implementation, if they exist. The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assign… WebMar 29, 2024 · For the SSH service that runs on a customized port, make sure the port is accessible. Only Synology Directory Server version 4.10.18-0300 requires port 49152. Further reading
UDP 137 - Port Protocol Information and Warning! - Audit …
WebFeb 3, 2024 · Here’s a list of 20 well-known port numbers and the associated service. For a more detailed list, download the PDF document TCP/IP Port Numbers . TCP 20 FTP (File Transfer Protocol – Data) TCP 21 FTP (File Transfer Protocol – Control) TCP 22 SSH (Secure Shell – Remote login protocol) TCP 23 Telnet. WebMar 31, 2024 · You can get list of ports from file called /etc/services. For your ease of use here are ports you need to open for two-way samba communication with Windows and Linux desktop systems. Advertisement. netbios-ns – 137/tcp # NETBIOS Name Service. netbios-dgm – 138/tcp # NETBIOS Datagram Service. netbios-ssn – 139/tcp # NETBIOS session … flowers by janet
SMB port number: Ports 445, 139, 138, and 137 explained
WebOct 31, 2016 · For example, VPN service may use up to four different ports: 500, 1701, 1723, and 4500. Some firewalls allow selective configuration of UDP or TCP ports with the same number, so it can be important to note which type of port is to be configured. For example, NFS may use either or both TCP 2049 and UDP 2049 ports. WebFeb 20, 2024 · SMB is the most prevalent protocol for sharing files on Windows. This article examines how Windows file sharing works over ports 445, 139, 138, and 137. WebApr 20, 2024 · Admins need to know the SMB port number when it comes to setting up firewalls in Windows networks. The earlier version of SMB (SMB 1.0) was originally designed to operate on NetBIOS over TCP/IP (NBT), which uses port TCP 139 for session services, … flowers by jeanie milledgeville ga