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Flushing the system's DNS cache may also help, which can be achieved e.g. in Linux with sudo service dns-clean start or in Windows with ipconfig /flushdns. On Internet Explorer 9, isInNet('localHostName', 'second.ip', '255.255.255.255') returns true and can be used as a workaround.
The Universal TUN/TAP Driver originated in 2000 as a merger of the corresponding drivers in Solaris, Linux and BSD. [1] The driver continues to be maintained as part of the Linux [ 2 ] and FreeBSD [ 3 ] [ 4 ] [ 5 ] kernels.
The LAMP stack with Squid as web cache.. Squid is a caching and forwarding HTTP web proxy.It has a wide variety of uses, including speeding up a web server by caching repeated requests, caching World Wide Web (WWW), Domain Name System (DNS), and other network lookups for a group of people sharing network resources, and aiding security by filtering traffic.
The Web Proxy Auto-Discovery (WPAD) Protocol is a method used by clients to locate the URL of a configuration file using DHCP and/or DNS discovery methods. Once detection and download of the configuration file is complete, it can be executed to determine the proxy for a specified URL.
A proxy server may reside on the user's local computer, or at any point between the user's computer and destination servers on the Internet.A proxy server that passes unmodified requests and responses is usually called a gateway or sometimes a tunneling proxy.
[10] [11] Deep Packet Inspection is able to detect a few kinds of buffer overflow attacks. DPI may be used by enterprise for Data Leak Prevention (DLP). When an e-mail user tries to send a protected file, the user may be given information on how to get the proper clearance to send the file. [12] [example needed] [clarification needed]
HAProxy was written in 2000 [13] by Willy Tarreau, [14] a core contributor to the Linux kernel, [15] who still maintains the project. In 2013, the company HAProxy Technologies, LLC was created. [ citation needed ] The company provides a commercial offering, HAProxy Enterprise and appliance-based application-delivery controllers named ALOHA.
The Microsoft Forefront Threat Management Gateway product line originated with Microsoft Proxy Server.Developed under the code-name "Catapult", [5] Microsoft Proxy Server v1.0 was first launched in January 1997, [6] and was designed to run on Windows NT 4.0.