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  1. Internet Control Message Protocol

    The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite.
    Developer(s): DARPA
    Introduction: 1981
    OSI layer: Network layer
    Purpose: Auxiliary protocol for IPv4
    en.wikipedia.org/wiki/Internet_Control_Message_Protocol
    en.wikipedia.org/wiki/Internet_Control_Message_Protocol
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  2. People also ask
    What does ICMP stand for?
    ICMP. Stands for "Internet Control Message Protocol." When information is transferred over the Internet, computer systems send and receive data using the TCP/IP protocol. If there is a problem with the connection, error and status messages regarding the connection are sent using ICMP, which is part of the Internet protocol.
    www.ionos.com/digitalguide/server/know-how/what-is-ic…
    What is ICMP used for?
    The Internet Control Message Protocol (ICMP) is a protocol that devices within a network use to communicate problems with data transmission. In this ICMP definition, one of the primary ways in which ICMP is used is to determine if data is getting to its destination and at the right time.
    www.techtarget.com/searchnetworking/definition/ICMP
    What is ICMP request?
    ICMP Address Mask Request may be used as a part of reconnaissance attack to gather information on the target network, therefore ICMP Address Mask Reply is disabled by default on Cisco IOS. Address mask reply. Address mask reply is used to reply to an address mask request message with an appropriate subnet mask.
    www.omnisecu.com/tcpip/icmp-echo-request-and-echo-re…
    Why is block ICMP?
    ICMP has no ports! Why is ICMP blocked? Because ICMP can also be used by a potential adversary to perform reconnaissance against a target network, and due to historical denial-of-service bugs in broken implementations of ICMP, some network administrators block all ICMP traffic as a network hardening measure.
    www.techrepublic.com/article/prevent-hacker-probing-blo…
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    https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol

    The Internet Control Message Protocol (ICMP) is a supporting protocol in the Internet protocol suite. It is used by network devices, including routers, to send error messages and operational information indicating success or failure when communicating with another IP address, for example, an error is … See more

    ICMP is part of the Internet protocol suite as defined in RFC 792. ICMP messages are typically used for diagnostic or control purposes or generated in response to errors in IP operations (as specified in RFC 1122). ICMP errors … See more

    Control messages are identified by the value in the type field. The code field gives additional context information for the message. Some control messages have been See more

    RFCs
    • RFC 792, Internet Control Message Protocol
    • RFC 950, Internet Standard Subnetting Procedure
    • RFC 1016, Something a Host Could Do with Source Quench: The Source Quench Introduced Delay (SQuID) See more

    Overview image
    Control messages image

    The ICMP packet is encapsulated in an IPv4 packet. The packet consists of header and data sections.
    Header
    The ICMP header … See more

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  4. https://en.wikipedia.org/wiki/International_Commission_on_Missing_Persons

    The International Commission on Missing Persons (ICMP) is an intergovernmental organization that addresses the issue of persons missing as a result of armed conflicts, violations of human rights, and natural disasters. It is headquartered in The Hague, The Netherlands. It assists governments in the exhumation of mass graves and DNA identification of missing persons, provides s…

  5. https://hu.wikipedia.org/wiki/ICMP

    WebAz ICMP (az UDP -hez hasonlóan) datagram -orientált kommunikációs protokoll, mert egyáltalán nem garantált a csomagok megérkezése vagy sorrendje. Az ICMP (a TCP …

    • 128: Echo Request
    • 130: Group Membership Query
    • 129: Echo Reply
    • 131: Group Membership Report
  6. https://sv.wikipedia.org/wiki/Internet_Control_Message_Protocol
    • ICMP-meddelanden konstrueras i regel av nätverkslagret som svar på någon form av IP-relaterad händelse. IP-paketet som genererade händelsen kapslas då in i ett ICMP-meddelande som i sin tur kapslas in i ett nytt IP-paket för att sedan skickas på vanligt vis till dess destination. Eftersom ICMP kapslas in direkt i IP finns inga garantier för att pak...
    See more on sv.wikipedia.org
    • Estimated Reading Time: 4 mins
    • https://ja.wikipedia.org/wiki/Internet_Control_Message_Protocol

      WebInternet Control Message Protocol (インターネット制御通知プロトコル、ICMP)とは、通信処理で使われる プロトコル のひとつで、 Internet Protocol のデータグラム処理 …

      • Estimated Reading Time: 5 mins
      • https://zh.wikipedia.org/wiki/互联网控制消息协议

        Web互联网控制消息协议 (英語: Internet Control Message Protocol ,缩写: ICMP )是 互联网 协议族的核心协议之一。 它用于 网际协议 (IP)中发送控制消息,提供可能发生 …

      • https://ro.wikipedia.org/wiki/Internet_Control_Message_Protocol

        WebInternet Control Message Protocol (abreviat ICMP) este un protocol din suita TCP/IP care folosește la semnalizarea și diagnosticarea problemelor din rețea. Protocolul este definit …

      • https://el.wikipedia.org/wiki/ICMP

        WebΤο πρωτόκολλο Internet Control Message Protocol είναι ένα από τα βασικά πρωτόκολλα του διαδικτύου. Χρησιμοποιείται κυρίως από τα λειτουργικά συστήματα των ηλεκτρονικών …

      • https://cs.wikipedia.org/wiki/ICMP

        WebICMP ( anglicky Internet Control Message Protocol) je v informatice jeden z nejdůležitějších protokolů počítačových sítí založených na rodině protokolů TCP/IP (tedy …

      • https://fi.wikipedia.org/wiki/ICMP

        WebICMP (lyhenne sanoista Internet Control Message Protocol) on TCP/IP-pinon kontrolli protokolla, jolla lähetetään viestejä koneesta toiseen. Arkkitehtuurisesti ICMP-protokolla …

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