OpenSSH
the main OpenSSH page
OpenSSH is a suite of secure networking utilities based on the Secure Shell (SSH) protocol, which provides a secure channel over an unsecured network in a client-server architecture. OpenSSH is developed by the OpenBSD Project and is widely regarded as the de facto standard for SSH implementations. It is open-source and freely available under a BSD-style license, making it a popular choice for secure communication in various environments.
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Website Key Features
Secure Shell (SSH) Protocol
Provides a secure channel over an unsecured network, encrypting all traffic to prevent eavesdropping, connection hijacking, and other attacks.
SSH File Transfer Protocol (SFTP)
A secure file transfer protocol that provides file access, transfer, and management over any reliable data stream.
Port Forwarding
Allows forwarding of TCP/IP ports to secure channel, enabling secure tunneling of legacy protocols.
Public Key Authentication
Supports authentication using public key cryptography, providing a more secure alternative to password-based authentication.
X11 Forwarding
Securely forwards X11 connections, allowing for the secure use of graphical applications over SSH.
Agent Forwarding
Allows forwarding of the authentication agent connection, enabling single sign-on across multiple SSH sessions.
Compression
Supports compression of data over the SSH connection, improving performance on slow networks.
IPv6 Support
Fully supports IPv6, ensuring compatibility with the next generation of Internet protocols.
Kerberos Authentication
Integrates with Kerberos for authentication, providing a single sign-on solution in environments using Kerberos.
Chroot Support
Supports chroot jails for SFTP, enhancing security by isolating the SFTP session from the rest of the system.
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Additional information
License
OpenSSH is released under a BSD-style license, making it free for both personal and commercial use.
Development
OpenSSH is developed as part of the OpenBSD project, with contributions from developers around the world.
Security
OpenSSH is known for its strong focus on security, with a history of proactive security measures and rapid response to vulnerabilities.
Compatibility
OpenSSH is compatible with a wide range of SSH implementations, ensuring interoperability in diverse environments.
Documentation
Comprehensive documentation is available, including man pages, FAQs, and detailed guides on configuration and usage.
Community
OpenSSH has a vibrant community of users and developers, offering support through mailing lists, forums, and other channels.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for openssh.com