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Mirror and archive sites: Copies of web sites or pages may be available at mirror or archive sites such as the Internet Archive's Wayback Machine or Archive.today. The Docker Registry Image Repository is a centralized storage, application stateless, and node scalable HTTP public service and has a performance bottleneck in the multinational ...
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.
A 2003 study reported that "blocking software overblocked state-mandated curriculum topics–for every web page correctly blocked, one or more was inappropriately blocked". [ 90 ] Some libraries may block access to certain web pages, including pornography, advertising, chat, gaming, social networking, and online forum sites, [ 91 ] The use of ...
Ad blockers insert code into your browser to block ads, which can negatively impact website performance, break functionality, and even hide messages in AOL Mail. We recommend unblocking AOL Mail websites to avoid facing these issues. Doing this will also unblock ads. Adjust Other settings
Computer network attacks: Denial-of-service attacks and attacks that deface opposition websites can produce the same result as other blocking techniques, preventing or limiting access to certain websites or other online services, although only for a limited period of time. This technique might be used during the lead up to an election or some ...
Domain Name System blocking, or DNS blocking / filtering, is a strategy for making it difficult for users to locate specific domains or websites on the Internet. It was first introduced in 1997 as a means to block spam email from known malicious IP addresses .
Advertising can be blocked by using a DNS server which is configured to block access to domains or hostnames which are known to serve ads by spoofing the address. [62] Users can choose to use an already modified DNS server [63] [64] [65] or set up a dedicated device running adequate software such as a Raspberry Pi running Pi-hole themselves. [66]
Its role in internet censorship in China is to block access to selected foreign websites and to slow down cross-border internet traffic. [2] The Great Firewall operates by checking transmission control protocol (TCP) packets for keywords or sensitive words. If the keywords or sensitive words appear in the TCP packets, access will be closed.