netbios-ssn Port 139 open on Linux machine. The first thing to check is if it really is netbios. As growse says netstat -natp will show you which program is listening on the port. If it is nmbd, then you need to shutdown the server and make sure it never starts again (i.e. uninstall everything you don't need).

What is SMB Port and Port Number? Which Protocol Uses Port TCP port 139 is SMB over NETBIOS. NETBIOS is a transport layer protocol designed to use in Windows operating systems over the network. TCP 445 is SMB over IP. This is a newer version where SMB can be consumed normally over the IP networks. Check If Port 137,138,139 and 445 Is Open How To Open Firewall Ports In Windows 10 | Tom's Hardware Add the port you need to open and click Next. Add the protocol (TCP or UDP) and the port number into the next window and click Next. Select Allow the connection in the next window and hit Next. Part 139 Airport Certification – Airports Part 139 Airports. Part 139 Airport Certification Status List (MS Excel) (updated 6/8/2020) List of certificated airports by state, name, associated city, and identifier. It also identifies Part 139 classification, ARFF index, inactive status, and large hub airports. The dangers of open port 139 - SearchSecurity

W32.Reidana.A [Symantec-2005-032515-4042-99] (2005.03.27) - worm that spreads using the MS DCOM RPC vulnerability (MS Security Bulletin ) on port 139. The worm attempts to download and execute a remote file via FTP. Opens TCP port 4444. Windows Internet Naming Service (WINS) also uses this port …

Once an attacker discovers an active port 139 on a device, he can run NBSTAT to begin the very important first step of an attack—footprinting. With the NBSTAT command, he can obtain some or all Apr 29, 2020 · Agent/Server communication port - It is a random 5-digit port number set during installation. To determine this port number, check the "Client_LocalServer_Port" parameter in the \PCCSRV\ofcscan.ini file. NetBIOS ports - This uses TCP/UDP port 137, TCP port 139, and TCP port 445. These ports are used when installing clients/agents via Remote

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Goto Port 138: Probe Port 139: Enter Port: 0-65535: Goto Port 140: Port Authority Database Port 139. Name: netbios-ssn: Purpose: NETBIOS Session Service: Description: TCP NetBIOS connections are made over this port, usually with Windows machines but also with any other system running Samba (SMB). These TCP connections form "NetBIOS sessions" to What is an SMB Port + Ports 445 and 139 Explained Jun 10, 2020 TCP 445 and 139 - Cisco Community Port 139 NetBIOS. NetBIOS Session (TCP), Windows File and Printer Sharing . This is one of the most dangerous port on the Internet. All "File and Printer Sharing" on a Windows machine runs over this port. About 10% of all users on the Internet leave their hard disks exposed on this port.