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nslookup operates in interactive or non-interactive mode. When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt (>).
dig is a network administration command-line tool for querying the Domain Name System (DNS).. dig is useful for network troubleshooting and for educational purposes. [2] It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file.
The DNS server also features blocking domain names using block lists [23] and also supports using HTTP or SOCKS5, for transport of DNS requests over Tor network. [24] The DNS server supports running independently developed plugins that can be used to process and respond to DNS requests.
Reverse-DNS strings are based on registered domain names, with the order of the components reversed for grouping purposes. For example, if a company making the product "MyProduct" has the domain name example.com, they could use the reverse-DNS string com.example.MyProduct as an identifier for that product.
Google's chairman, Eric Schmidt, is quoted saying "I would be very, very careful if I were a government about arbitrarily [implementing] simple solutions to complex problems" in reference to DNS blocking and the PIPA bill. [6] Experts claim that users could get around DNS blocking by using foreign search engines and foreign DNS servers.
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.
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"Security Options" dialog when the user is logged on, which provides options to shut down, log off, change the password, start the Task Manager, and lock the workstation. Winlogon can be configured to use a different GINA, providing for non-standard authentication methods such as smart card readers or identification based on biometrics , or to ...