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Secure Shell (SSH) is a protocol allowing secure remote login to a computer on a network using public-key cryptography.SSH client programs (such as ssh from OpenSSH) typically run for the duration of a remote login session and are configured to look for the user's private key in a file in the user's home directory (e.g., .ssh/id_rsa).
The restricted shell is a Unix shell that restricts some of the capabilities available to an interactive user session, or to a shell script, running within it.It is intended to provide an additional layer of security, but is insufficient to allow execution of entirely untrusted software.
The Linux Unified Key Setup (LUKS) is a disk encryption specification created by Clemens Fruhwirth in 2004 and originally intended for Linux.. LUKS implements a platform-independent standard on-disk format for use in various tools.
The SSH developers have stated that the major impact of the attack is the capability to degrade the keystroke timing obfuscation features of SSH. [6] The designers of SSH have implemented a fix for the Terrapin attack, but the fix is only fully effective when both client and server implementations have been upgraded to support it. [1]
In 2006, after being discussed in a working group named "secsh", [17] a revised version of the SSH protocol, SSH-2 was adopted as a standard. [18] This version offers improved security and new features, but is not compatible with SSH-1.
Accessing the chroot via SSH using the X11 forwarding (ssh -X) feature; xchroot an extended version of chroot for users and Xorg/X11 forwarding (socat/mount) An X11 VNC server and connecting a VNC client outside the environment. Atoms is a Linux Chroot Management Tool with a User-Friendly GUI. [15]
It has no concept of a "root" superuser, and does not share the well-known shortcomings of the traditional Linux security mechanisms, such as a dependence on setuid/setgid binaries. The security of an "unmodified" Linux system (a system without SELinux) depends on the correctness of the kernel, of all the privileged applications, and of each of ...
Some shells (e.g. bash) provide a shell builtin that may be used to prevent SIGHUP being sent or propagated to existing jobs, even if they were not started with nohup. In bash, this can be obtained by using disown-h job; using the same builtin without arguments removes the job from the job table, which also implies that the job will not receive the signal.