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  2. NetworkManager - Wikipedia

    en.wikipedia.org/wiki/NetworkManager

    [4] nmcli allows easy display of NetworkManager's current status, manage connections and devices, monitor connections. nmtui nmtui is a built-in text-based user interface. [5] nmtui is relatively basic compared to nmcli, which only allows users to add/edit a connection, activate a connection, and set the hostname of the system. cnetworkmanager

  3. Domain Name System blocklist - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System_blocklist

    A Domain Name System blocklist, Domain Name System-based blackhole list, Domain Name System blacklist (DNSBL) or real-time blackhole list (RBL) is a service for operation of mail servers to perform a check via a Domain Name System (DNS) query whether a sending host's IP address is blacklisted for email spam. [1]

  4. Blacklist (computing) - Wikipedia

    en.wikipedia.org/wiki/Blacklist_(computing)

    Screenshot of a website blocking the creation of content which matches a regular expression term on its blacklist. In computing, a blacklist, disallowlist, blocklist, or denylist is a basic access control mechanism that allows through all elements (email addresses, users, passwords, URLs, IP addresses, domain names, file hashes, etc.), except those explicitly mentioned.

  5. IP address blocking - Wikipedia

    en.wikipedia.org/wiki/IP_address_blocking

    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.

  6. List of assigned /8 IPv4 address blocks - Wikipedia

    en.wikipedia.org/.../8_IPv4_address_blocks

    The original list of IPv4 address blocks was published in September 1981. [3] In previous versions of the document, [18] [19] network numbers were 8-bit numbers rather than the 32-bit numbers used in IPv4. At that time, three networks were added that were not listed earlier: 42.rrr.rrr.rrr, 43.rrr.rrr.rrr, and 44.rrr.rrr.rrr.

  7. The Abusive Hosts Blocking List - Wikipedia

    en.wikipedia.org/.../The_Abusive_Hosts_Blocking_List

    The RHSbl list was domain-based rather than ip4r. It included domains owned and/or operated by spammers, known abusive domains, and domains that are not used to send e-mail (on request of the domain owner). It was commonly used to block domains in the From: address of e-mail, as well as SURBL type systems that scan the links in e-mail.

  8. AOL Mail

    mail.aol.com

    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!

  9. Wikipedia:IP block exemption

    en.wikipedia.org/wiki/Wikipedia:IP_block_exemption

    In addition, IP block exemption may also be given by an administrator without a request, to prevent good-faith editors being affected by a hard IP address range block. The editor should be informed that in order to prevent vandalism, a block has been applied to their IP address range, and they have been exempted from it.