What type of service typically runs on TCP port 135?

Port 135 is used by Messenger Service (not MSN Messenger) and exploited in popup net send messenger spam [MSKB 330904]. To stop the popups you’d need to filter port 135 at the firewall level or stop the messenger service. The service uses all the following ports: 135/tcp, 135/udp, 137/udp 138/udp, 139/tcp, 445/tcp.

What service runs on port 445?

Server Message Block (SMB)
Port 445 is a traditional Microsoft networking port with tie-ins to the original NetBIOS service found in earlier versions of Windows OSes. Today, port 445 is used by Microsoft Directory Services for Active Directory (AD) and for the Server Message Block (SMB) protocol over TCP/IP.

What is NetBIOS name service?

NetBIOS (Network Basic Input/Output System) is a network service that enables applications on different computers to communicate with each other across a local area network (LAN). It was developed in the 1980s for use on early, IBM-developed PC networks.

Is 445 TCP or UDP?

Port 445 Details. TCP port 445 is used for direct TCP/IP MS Networking access without the need for a NetBIOS layer. The SMB (Server Message Block) protocol is used for file sharing in Windows NT/2K/XP and later. In Windows NT it ran on top of NetBT (NetBIOS over TCP/IP, ports 137, 139 and 138/udp).

What service runs on port 80?

Port 80 is the port number assigned to commonly used internet communication protocol, Hypertext Transfer Protocol (HTTP). It is the default network port used to send and receive unencrypted web pages.

Is port 135 a NetBIOS?

SMB, CIFS, and NetBIOS The Server Message Block (SMB) protocol can facilitate resource sharing in Microsoft Windows environments. Under Windows NT, SMB is run through NetBIOS over TCP/IP, which uses UDP ports 135, 137, and 138 along with TCP ports 135 and 139.

What service uses port 139?

NetBIOS Session service
Port 139 is utilized by NetBIOS Session service. Enabling NetBIOS services provide access to shared resources like files and printers not only to your network computers but also to anyone across the internet.

What are ports 135 and 445 used for?

Microsoft Windows Networking Services Port 135 is used for RPC client-server communication, and ports 139 and 445 are used for authentication and file sharing.

What is NetBIOS name example?

NetBIOS domain name: Typically, the NetBIOS domain name is the subdomain of the DNS domain name. For example, if the DNS domain name is contoso.com, the NetBIOS domain name is contoso. If the DNS domain name is corp.contoso.com, the NetBIOS domain name is corp.

What is the difference between NetBIOS name and hostname?

They are exactly the same thing. By default, computer name, NetBIOS name, and Hostname of a Windows computer are exactly the same and you should keep it that way. Hostnames are used by DNS Servers for name resolution on the Internet and on the LAN. NetBIOS names are used by the WINS Server only on the LAN.

What protocol is port 443?

HTTPS services
Port 443 is used explicitly for HTTPS services and hence is the standard port for HTTPS (encrypted) traffic. It is also called HTTPS port 443, so all the secured transactions are made using port 443.

What is TCP 139 used for?

Port 139 is utilized by NetBIOS Session service. Enabling NetBIOS services provide access to shared resources like files and printers not only to your network computers but also to anyone across the internet.

What is a port 80?

On a Web server or Hypertext Transfer Protocol daemon, port 80 is the port that the server “listens to” or expects to receive from a Web client, assuming that the default was taken when the server was configured or set up. A port can be specified in the range from 0-65536 on the NCSA server.