![]() ![]() Does this happen for all sites in Local, or just one in particular?Īll sites unless you manually edit the nginx configuration.Note that I understand this may be seen as a feature, but I need an option or way to disable it in order to meet security requirements. This can lead to information leakage in situations where network configuration isn’t controlled or is simply a violation of security policies for a company. This allows for access by other devices on the network that know the hostname/IP of your machine. In addition, if there is network resources abuse, such as a lot of spam from a certain IP address, they can also contact the person in charge of spam complaints to deal with it. At present, Whois tools are widely used in the network technical level, for example, if Telecom Internet service providers find there is network problem, they can quickly notify the relevant responsible person to diagnose and deal with it. E-mail: Whois lookup tool is designed to allow people to find the responsible agency and administrator when there is network problem.Administrator:Internet Assigned Numbers Authority.These addresses were assigned by the IETF, the organization that develops Internet protocols, in the Standard document, RFC 1122, which can be found here: 127.0.0.1 is the most commonly used address and is called the "loopback" address. Description:Addresses starting with "127." are used when one program needs to talk to another program running on the same machine using the Internet Protocol.Administrative agency: SPECIAL-IPV4-LOOPBACK-IANA-RESERVED.Using the Whois tool to look up 127.0.0.0 will yield a lot of information, and we pull out the main information as follows: You can use Whois lookup to find out the administrative agency of an IP address, and even the phone number and other contact information of the administrator. Note: If 127.0.0.0 is forcibly used as the router IP address, it may cause IP conflicts and other situations that makes the router cannot be used normally. Therefore, 127.0.0.0 is not the private IP address used by the router. The IP addresses of these 3 IP segments can be used for routers, and other special IP addresses are classified as reserved IP addresses. Our website judges that the above 3 IP segments are classified as private IP addresses. Reserved IP Addresses: There are also some reserved addresses, which are used as private IP address space or for special purposes such as internal LAN.įrom the screenshot above, you can see the different locations and utilizations of public IP address and private IP address.įrom the definition of IANA, the private IP address is also classified as a reserved IP address.Private IP addresses: 3 IP address segments are reserved in the IPv4 address protocol as private addresses for internal use by the organization.Public IP addresses: The overwhelming majority of IP addresses are public addresses and need to apply for registration with the international Internet administrative agency.IP addresses can be classified as private IP addresses, public IP addresses and reserved IP addresses. The reserved addresses for IPv6 are not listed here, please see: Reserved IP addresses - Wikipedia.ġ27.0.0.0 generally cannot be used as a private IP address of a router. Reserved for the "limited broadcast" destination address. Used for benchmark testing of inter-network communications between two separate subnets.Īssigned as TEST-NET-2, documentation and examples.Īssigned as TEST-NET-3, documentation and examples. IPv6 to IPv4 relay (included IPv6 address block 2002::/16). ![]() Used for link-local addresses between two hosts on a single link when no IP address is otherwise specified, such as would have normally been retrieved from a DHCP server.Īssigned as TEST-NET-1, documentation and examples. Used for loopback addresses to the local host. Shared address space for communications between a service provider and its subscribers when using a carrier-grade NAT. Used for local communications within a private network. These reserved IP addresses are listed in the table below.Ĭurrent network (only valid as source address). In addition to allocating public IP addresses, the IP address allocation agency has reserved some IP addresses for special usage. 127.0.0.0 is a reserved IP address, not a public IP address, and cannot be directly accessed on the Internet.
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