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Difference between SSH and SSL

Difference between SSH and SSL

Both SSH Secure Shell and SSL Secure Sockets Layer are used to secure communications between computers. They both provide a layer of security that helps to protect your data, but they work in different ways. In this blog post, we will take a look at the differences between SSH and SSL, and explain how each one works. We will also discuss when it is appropriate to use each one.

What is SSH?

SSH Secure Shell is a network protocol that allows for secure data communication between two devices. SSH uses encryption to protect the data being exchanged and provides authentication to ensure that only authorized users can access the data. SSH is commonly used to securely connect to servers and devices over the internet, but it can also be used to securely transfer data between two local devices. SSH is an important tool for security and should be used whenever possible to protect sensitive data.

What is SSL?

SSL (Secure Sockets Layer) is a secure communications protocol that is typically used when transferring sensitive data over the internet. SSL uses encryption to protect data in transit, ensuring that only the intended recipient can access it. SSL is an important component of online security and is commonly used in conjunction with other security measures such as firewalls and malware protection.

SSL is also a key element of many web-based applications, such as online banking and e-commerce. While SSL provides a high level of security, it is important to remember that it is not infallible. SSL should be used in conjunction with other security measures to help protect data against unauthorized access.

Difference between SSH and SSL

SSH and SSL are both protocols that provide security for information transmitted over a network. SSH, or Secure Shell, is typically used for logging into remote servers, whereas SSL, or Secure Sockets Layer, is used for securing web traffic. SSH encrypts the entire connection between a client and a server, making it impossible for someone to eavesdrop on the conversation.

SSL, on the other hand, only encrypts the data being sent between a client and a server. Both SSH and SSL use public-key cryptography, which relies on a pair of keys—one public and one private—to encrypt and decrypt data. SSH keys are typically generated automatically when establishing a connection, whereas SSL keys must be generated manually by a Certificate Authority. While both SSH and SSL provide robust security, SSH is generally considered to be more secure than SSL.


The most obvious distinction is that SSH provides a secure remote login service, while SSL provides encryption for communication over a network. However, there are other key differences as well. For example, SSH uses public-key cryptography to authenticate users and protect the information, while SSL relies on shared secret keys and digital certificates.

Additionally, SSH supports tunneling of multiple protocols over a single connection, whereas SSL does not. Ultimately, which protocol you should use depends on your specific needs and requirements.

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