What port is pcAnywhere?
5631
PCAnywhere uses ports 5631 (Data port or Transmission Control Protocol [TCP]) and 5632 (Status port or User Datagram Protocol [UDP]) to communicate.
What is port 5631?
Port 5631 is an IANA registered port by Symantec for pcAnywhere. pcAnywhere uses port 5631 for TCP communication to provide the remote control functionality. This is NOT the port that does the network scan for hosts as the information you have states or use the UDP protocol.
What ports can I freely use?
Ports 49152-65535– These are used by client programs and you are free to use these in client programs. When a Web browser connects to a web server the browser will allocate itself a port in this range. Also known as ephemeral ports.
How is TCP different from UDP?
TCP is a connection-oriented protocol, whereas UDP is a connectionless protocol. A key difference between TCP and UDP is speed, as TCP is comparatively slower than UDP. Overall, UDP is a much faster, simpler, and efficient protocol, however, retransmission of lost data packets is only possible with TCP.
What is a good port number?
The most common well-known port is 80, which identifies HTTP traffic for a Web server (see port 80). For details about port numbers, see TCP/IP port. The Internet Assigned Numbers Authority (IANA) registers ports 1024 to 49151 for the convenience of the Internet community.
Do port numbers matter?
Port numbers don’t ‘do’ anything specifically. They are one of the ways a connection is uniquely identified. Each TCP connection is defined by four things: the IP addresses of each machine, and a port number on each machine.
What port is used for YouTube?
Port 80 – If you are streaming to YouTube or Facebook, then you will need Port 80 to be open. Port 80 is the same port as is used to surf the web (aka http://).
What ports are most vulnerable?
Here are some common vulnerable ports you need to know.
- FTP (20, 21) FTP stands for File Transfer Protocol.
- SSH (22) SSH stands for Secure Shell.
- SMB (139, 137, 445) SMB stands for Server Message Block.
- DNS (53) DNS stands for Domain Name System.
- HTTP / HTTPS (443, 80, 8080, 8443)
- Telnet (23)
- SMTP (25)
- TFTP (69)
How do I choose a port number?
Choose a default port that doesn’t interfere with the most common daemons and servers. Also make sure that the port number isn’t listed as an attack vector for some virus — some companies have strict policies where they block such ports no matter what. Last but not least, make sure the port number is configurable.