The attack technique which sends the packet which sets IP address of the fake to the transmission origin.

It does to become the computer which are many times when it is used as expedient of illegitimate invasion at that time, is relied on increasing, the method that is utilized it passes certification. Being able to access such function it finishes illegitimately from outside by ? naming private address in the information system of enterprise, when it accesses from private IP address, there is a function and the like which can be utilized but, due to IP [supuhuingu].

In order for the transmission origin not to be calculated the case of DoS attack, there is also an applied example such that you are identified the IP address of another computer to in addition to.

IP sentoretsukusuIP centrex

Reading: [aipisentoretsukusu]
Field:
Network technology > VoIP/IP telephone > IP [sentoretsukusu]

In one kind of IP telephone service for enterprise which the common carrier offers, the out-sorcing service which contracts the maintenance use of the server of the IP telephone.

As for the telephone system of general enterprise, the extension net and the outside line PLASTIC BONDED EXPLOSIVE (the private branch exchange) with are connected by the equipment which is said, are controlled. PLASTIC BONDED EXPLOSIVE offers function such as extension telephone call and representation telephone, reservation and transfer.

With IP [sentoretsukusu], it changes the telephone system inside enterprise to the IP telephone, it connects to the server whom the common carrier offers, does telephone call and the like. This server (IP-PBX) it offers extension function and the like. The server is installed in base of the common carrier, uses the general data transmission service which is utilized with Internet and the like in the communication to over there.

Inverse ARP

Reading: [inbasuapu]
Full spelling: Inverse Address Resolution Protocol
Alias:
Inverse ARP
Field:
Network technology > TCP/IP > Inverse ARP

The telephone service which is offered IP of the packet transmission protocol which is utilized with Internet (Internet Protocol) of making use. Sound is converted to the digital data by the telephone, after dividing into the unit which is called the packet, audio telephone call is done by the fact that you send on IP network to the telephone call partner.

Or by way of Internet or using the telephone or the personal computer is used network the middle is network of the common carrier whether and so on, IP telephone service calling to sip, there is various forms. Those which use Internet in channel are called the especially Internet telephone, when such as the IP telephone simply, as for Internet telephone when it is not included is many.

IP huowadeinguIP forwarding

Reading: [aipihuowadeingu]
Field:
Network technology > TCP/IP > IP [huowadeingu]

IP masquerade NAPT

Reading: The eye tweet the masquerade
Alias:
Network Address Port Translation and IP masquerade
Field:
Network technology > TCP/IP > IP masquerade

At the enterprise and the like which is connected to Internet, one global the technology which shares IP address with the plural computers. Only while organizing it is actualized the IP address which passes (local address) with, address on Internet (global address) by converting transparently mutually.

Because it is converted dynamically to the port number of TCP/UDP unlike NAT, it is possible with one global address to connect simultaneously from the plural machines. However, because conversion of port number is done, there is restriction such that method of kind of using which from Internet side starts connection in the machine inside is not possible, cannot utilize either ICMP. With the recent broadband rooter and the like there are also some which do individually mounting in order to ease such restriction.

IP multiple cast IP multicast

Reading: The eye tweet the multiple cast
Field:
Network technology > TCP/IP > IP multiple cast

The additional specification of IP in order to do the multiple cast with TCP/IP network of Internet and the like. The IP multiple cast uses special IP address, it is necessary for all rooters of communication sutra road surface to be corresponding. -> Referring to the section of the multiple cast.