Search results
Results from the WOW.Com Content Network
In computer networking, MAC address filtering is a network access control method whereby the MAC address assigned to each network interface controller is used to determine access to the network. MAC addresses are uniquely assigned to each card, so using MAC filtering on a network permits and denies network access to specific devices through the ...
Unix-like operating systems commonly implement IP address blocking using a TCP wrapper, configured by host access control files /etc/hosts.deny and /etc/hosts.allow.. Both companies and schools offering remote user access use Linux programs such as DenyHosts or Fail2ban for protection from unauthorized access while allowing permitted remote access.
Internet censorship circumvention is the use of various methods and tools to bypass internet censorship. There are many different techniques to bypass such censorship, each with unique challenges regarding ease of use, speed, and security risks.
Meta's Threads platform started blocking users from the European Union who used VPNs to bypass the access restriction to the service stemming from the privacy concerns of the app. [27] However, as of December 14, 2023, [needs update] the platform was accessible to users in the European Union.
UltraSurf is a closed-source freeware Internet censorship circumvention product [2] created by UltraReach Internet Corporation. The software bypasses Internet censorship and firewalls using an HTTP proxy server, and employs encryption protocols for privacy.
A common method is to direct all World Wide Web traffic to a web server, which returns an HTTP redirect to a captive portal. [8] When a modern, Internet-enabled device first connects to a network, it sends out an HTTP request to a detection URL predefined by its vendor and expects an HTTP status code 200 OK or 204 No Content.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Many ISPs register the client's MAC address for service and billing services. [3] Since MAC addresses are unique and hard-coded on network interface controller (NIC) cards, [1] when the client wants to connect a new device or change an existing one, the ISP will detect different MAC addresses and might not grant Internet access to those new devices.