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  2. .localhost - Wikipedia

    en.wikipedia.org/wiki/.localhost

    The name localhost is a commonly defined hostname for the loopback interface in most TCP/IP systems, resolving to the IP addresses 127.0.0.1 in IPv4 and ::1 for IPv6.As a top-level domain, the name has traditionally been defined statically in host DNS implementations with address records (A and AAAA) pointing to the same loopback addresses.

  3. localhost - Wikipedia

    en.wikipedia.org/wiki/Localhost

    That means any packet sent to any of those addresses is looped back. The address 127.0.0.1 is the standard address for IPv4 loopback traffic; the rest are not supported by all operating systems. However, they can be used to set up multiple server applications on the host, all listening on the same port number.

  4. IPv6 address - Wikipedia

    en.wikipedia.org/wiki/IPv6_address

    ::1 / 128 – The loopback address is a unicast localhost address. This address corresponds to 127.0.0.1 / 8 in IPv4. If an application in a host sends packets to this address, the IPv6 stack loops these packets back on the same virtual interface. fe80:: / 10 – Addresses in the link-local prefix are only valid and unique on the local subnet.

  5. Link-local address - Wikipedia

    en.wikipedia.org/wiki/Link-local_address

    Link-local addresses may be assigned manually by an administrator or by automatic operating system procedures. In Internet Protocol (IP) networks, they are assigned most often using stateless address autoconfiguration, a process that often uses a stochastic process to select the value of link-local addresses, assigning a pseudo-random address that is different for each session.

  6. IPv4 - Wikipedia

    en.wikipedia.org/wiki/IPv4

    For example, the loopback address 127.0.0.1 was commonly written as 127.1, given that it belongs to a class-A network with eight bits for the network mask and 24 bits for the host number. When fewer than four numbers were specified in the address in dotted notation, the last value was treated as an integer of as many bytes as are required to ...

  7. 0.0.0.0 - Wikipedia

    en.wikipedia.org/wiki/0.0.0.0

    The IPv6 variant serves the same purpose as its IPv4 counterpart. 0.0.0.0 day exploit In August 2024, researchers from Israeli cybersecurity firm Oligo announced that a security flaw had been discovered in which malicious requests to the 0.0.0.0 address of their target, allowing them to access private resources, such as developer code or ...

  8. Zone file - Wikipedia

    en.wikipedia.org/wiki/Zone_file

    The format of a zone file is defined in RFC 1035 (section 5) and RFC 1034 (section 3.6.1). This format was originally used by the Berkeley Internet Name Domain (BIND) software package, but has been widely adopted by other DNS server software – though some of them (e.g. NSD, PowerDNS) are using the zone files only as a starting point to compile them into database format, see also Microsoft ...

  9. Talk:Localhost/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:Localhost/Archive_1

    1 SetCookie on Localhost with PHP and Apache. 2 comments. 2 ... 2 comments. 4 Urban Legends. 2 comments. 5 127.0.0.1 Security : Apache Servers. 1 comment Toggle 127.0 ...