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Shellshock, also known as Bashdoor, [1] is a family of security bugs [2] in the Unix Bash shell, the first of which was disclosed on 24 September 2014.Shellshock could enable an attacker to cause Bash to execute arbitrary commands and gain unauthorized access [3] to many Internet-facing services, such as web servers, that use Bash to process requests.
EternalBlue [5] is a computer exploit software developed by the U.S. National Security Agency (NSA). [6] It is based on a vulnerability in Microsoft Windows that allowed users to gain access to any number of computers connected to a network.
It's not just a server-side vulnerability, it's also a client-side vulnerability because the server, or whomever you connect to, is as able to ask you for a heartbeat back as you are to ask them. [82] The stolen data could contain usernames and passwords. [83] Reverse Heartbleed affected millions of application instances. [81]
In blue–green deployments, two servers are maintained: a "blue" server and a "green" server. At any given time, only one server is handling requests (e.g., being pointed to by the DNS). For example, public requests may be routed to the blue server, making it the production server and the green server the staging server, which can only be ...
RANCID (Really Awesome New Cisco confIg Differ) is a network management application released under a BSD-style license. [1] RANCID uses Expect to connect to the routers, send some commands and put the results in files.
Without clustering, if a server running a particular application crashes, the application will be unavailable until the crashed server is fixed. HA clustering remedies this situation by detecting hardware/software faults, and immediately restarting the application on another system without requiring administrative intervention, a process known ...
Blue Coat Systems, Inc., was a company that provided hardware, software, and services designed for cybersecurity and network management. In 2016 it was acquired by and folded into Symantec and in 2019 as part of Symantec’s Enterprise Security business it was sold to Broadcom .
If an attacker has the hashes of a user's password, they do not need the cleartext password; they can simply use the hash to authenticate with a server and impersonate that user. [ 4 ] [ 5 ] [ 6 ] In other words, from an attacker's perspective, hashes are functionally equivalent to the original passwords that they were generated from.