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The Clean Access Agent makes extensive use of the Windows Script Engine, version 5.6. It was demonstrated that removal or disabling of the scripting engine in MS Windows will bypass and break posture interrogation by the Clean Access Agent, which will "fail open" and allow devices to connect to a network upon proper authentication. [3]
Cisco Systems VPN Client is a software application for connecting to virtual private networks based on Internet Key Exchange version 1. On July 29, 2011, Cisco announced the end of life of the product. No further product updates were released after July 30, 2012, and support ceased on July 29, 2014. [4]
Domain fronting is a technique of replacing the desired host name in SNI with another one hosted by the same server or, more frequently, network of servers known as a content delivery network. When a client uses domain fronting, it replaces the server domain in SNI (unencrypted), but leaves it in the HTTP host header (which is encrypted by TLS ...
Cisco ASA has become one of the most widely used firewall/VPN solutions for small to medium-sized businesses. Early reviews indicated the Cisco GUI tools for managing the device were lacking. [4] A security flaw was identified when users customized the Clientless SSL VPN option of their ASA's but was rectified in 2015. [5]
A reverse proxy (or surrogate) is a proxy server that appears to clients to be an ordinary server. Reverse proxies forward requests to one or more ordinary servers that handle the request. The response from the original server is returned as if it came directly from the proxy server, leaving the client with no knowledge of the original server. [5]
[citation needed] To simplify the process of enlarging the feature-set and reduce the need for network operating system reloads, Cisco introduced universal IOS images, that include all features available for a device and customers may unlock certain features by purchasing an additional software license. [10] The exact feature set required for a ...
Cisco PIX (Private Internet eXchange) was a popular IP firewall and network address translation (NAT) appliance.It was one of the first products in this market segment. In 2005, Cisco introduced the newer Cisco Adaptive Security Appliance (), that inherited many of the PIX features, and in 2008 announced PIX end-of-sale.
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.