| Developer(s) | Matt Johnston |
|---|---|
| Stable release | 2011.54-0.1[1] / November 8, 2011 |
| Operating system | Cross-platform |
| Type | Remote access |
| License | MIT license |
| Website | matt.ucc.asn.au/dropbear/dropbear.html |
Dropbear is a software package written by Matt Johnston that provides a Secure Shell-compatible server and client. It is designed as a replacement for standard OpenSSH for environments with low memory and processor resources, such as embedded systems.
Contents |
Dropbear implements version 2 of the Secure Shell (SSH) protocol.[2]
The cryptographic algorithms are implemented using third party cryptographic libraries included internally in the Dropbear distribution. It derives some parts from OpenSSH to handle BSD-style pseudo terminals.[3]
Dropbear implements the complete SSH version 2 protocol in both the client and the server. It does not support SSH version 1 backwards-compatibility to save space and resources, and to avoid the inherent security vulnerabilities in SSH version 1. SCP is also implemented. SFTP support relies on a binary file which can be provided by OpenSSH or similar programs.
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