What Ports Does SSH Use?

How do I connect to a SSH port?

Type the host name or IP address of the SSH server into the “Host name (or IP address)” box.

Ensure the port number in the “Port” box matches the port number the SSH server requires.

SSH servers use port 22 by default, but servers are often configured to use other port numbers instead.

Click “Open” to connect..


FTP itself uses the TCP transport protocol exclusively, or in other words, it never uses UDP for its transport needs. … FTP also is odd in the fact that it uses two ports to accomplish its task. It typically uses port 20 for data transfer and port 21 to listen to commands.

What port is 23?

Well-known portsPortTCPDescription22YesSecure Shell (SSH), secure logins, file transfers (scp, sftp) and port forwarding23YesTelnet protocol—unencrypted text communications25YesSimple Mail Transfer Protocol (SMTP), used for email routing between mail servers37YesTime Protocol80 more rows

Does SSH use TCP or UDP?

SSH always uses TCP as it is connection-oriented, whereas UDP is connectionless (refers to network protocols that a host can send a message without establishing a connection in hopes that the message will reach its destination.)

Is port 22 UDP or TCP?

Port 22 DetailsPort(s)ProtocolService22tcp,udpapplications22,2992,3670tcp,udpapplications22tcp,udpssh22tcpAdoresshd14 more rows

Is port 443 a TCP or UDP?

Port 443 DetailsPort(s)ProtocolService443tcp,udp443tcptrojan443tcphttps443,1024-5000,5190tcp,udpapplications19 more rows•Jul 26, 2017

Is port 80 TCP or UDP?

Well-known portsPortTCPUDP80YesAssignedNoYes81Yes82Yes80 more rows

What is Port No 22?

The story of getting SSH port 22 It was a time when telnet and FTP were widely used. Anyway, I designed SSH to replace both telnet (port 23) and ftp (port 21). Port 22 was free. It was conveniently between the ports for telnet and ftp . … Port numbers were allocated by IANA (Internet Assigned Numbers Authority).

What is SSH port forwarding?

SSH port forwarding, or TCP/IP connection tunneling, is a process whereby a TCP/IP connection that would otherwise be insecure is tunneled through a secure SSH link, thus protecting the tunneled connection from network attacks. Port forwarding can be used to establish a form of a virtual private network (VPN).

How do I SSH to a non standard port?

Open /etc/ssh/sshd_config file and look for line Port 22 and change line to Port 2222. Restart sshd server. Where, -p: Port to connect to on the remote host.

How do I use a different port for SSH?

To change the port for the SSH server, follow these steps:Log in to the server as root using SSH.Open the /etc/ssh/sshd_config file in your preferred text editor (nano, vi, etc.).Locate the following line: Port 7822. … Change 7822 to the new port number that you want to use.More items…