Jul 24, 2020 · Ubuntu: An application is listening on ports 139 and 445, but those ports are closed. Can an application listen on closed ports? Helpful? Please support me on Patreon: https://www.patreon.com
May 15, 2019 · In Windows NT it ran on top of NBT (NetBIOS over TCP/IP), which used the famous ports UDP 137 and 138, and TCP 139. With Windows 2000, Microsoft added the option to run SMB directly over TCP/IP, without the extra NBT layer. That's what TCP port 445 is used for. Enabling and disabling NBT to control ports 137, 138, and 139 May 27, 2020 · Port 139 communications depend on Internet Control Message Protocol (ICMP) echo messages. If IP version 6 (IPv6) is not installed, port 445 communications will also depend on ICMP for name resolution. Apr 16, 2020 · TCP Port 139 - SMB; TCP Port 445 - SMB; TCP Port 25 - Standard SMTP Connection ; TCP Port 389 - Standard LDAP Traffic ; TCP Port 636 - SSL/TLS ; Site connections for 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. If you are on Windows-based network that is running NetBios, it is perfectly normal to have port 139 open in order to facilitate that protocol. If you are not on a network using NetBios, there is no reason to have that port open. Session mode lets two computers establish a connection, allows messages to span multiple packets, and provides error detection and recovery. In NBT, the session service runs on TCP port 139. The session service primitives offered by NetBIOS are: Call – opens a session to a remote NetBIOS name. The ports that are in use for the reporting services point site system role are configured in SQL Server Reporting Services. These ports are then used by Configuration Manager during communications to the reporting services point. Be sure to review these ports that define the IP filter information for IPsec policies or for configuring firewalls.
Port(s) Source article(s) Client Firewall: The Sophos Client Firewall does not need any ports to be opened.--Sophos Update Manager (SUM) SUM uses TCP port 80 for connections to an HTTP warehouse, and the NetBIOS ports for connections to a warehouse using UNC. With the release of v1.7.0 SUM uses TCP port 443 for connections to a HTTPS warehouse.
Jun 10, 2020 · What are ports 139 and 445? Port 139: Used by SMB dialects that communicate over NetBIOS, a transport layer protocol designed to use in Windows Port 445: Used by newer versions of SMB (after Windows 2000) on top of a TCP stack, allowing SMB to communicate over the Mar 29, 2020 · What Are Ports 139 And 445? Port 139: SMB originally ran on top of NetBIOS using port 139. NetBIOS is an older transport layer that allows Windows Port 445: Later versions of SMB (after Windows 2000) began to use port 445 on top of a TCP stack. Using TCP allows SMB
Port 139 is a NetBIOS port that is used for file and printer sharing. Make sure file and printer sharing are disabled. Port 445 is for Microsoft Directory Services.
The ports that are in use for the reporting services point site system role are configured in SQL Server Reporting Services. These ports are then used by Configuration Manager during communications to the reporting services point. Be sure to review these ports that define the IP filter information for IPsec policies or for configuring firewalls. Ports 139 & 445 are Windows ports. 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. Port 445 SMB