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  2. Ping of death - Wikipedia

    en.wikipedia.org/wiki/Ping_of_death

    A ping of death is a type of attack on a computer system that involves sending a malformed or otherwise malicious ping to a computer. [1] In this attack, a host sends hundreds of ping requests with a packet size that is large or illegal to another host to try to take it offline or to keep it preoccupied responding with ICMP Echo replies.

  3. TCP tuning - Wikipedia

    en.wikipedia.org/wiki/TCP_tuning

    Imagine a Wi-Fi base station having a speed of 20 Mbit/s and an average packet size of 750 byte. How large should the IP queue be? A voice over IP client should be able to transmit a packet every 20 ms. The estimated maximum number of packets in transit would then be: Estimated buffer size = 20000000 * 0,020 / 8 / 750 = 66

  4. Network packet - Wikipedia

    en.wikipedia.org/wiki/Network_packet

    In telecommunications and computer networking, a network packet is a formatted unit of data carried by a packet-switched network. A packet consists of control information and user data; [ 1 ] the latter is also known as the payload .

  5. Deep packet inspection - Wikipedia

    en.wikipedia.org/wiki/Deep_packet_inspection

    Deep Packet Inspection is able to detect a few kinds of buffer overflow attacks. DPI may be used by enterprise for Data Leak Prevention (DLP). When an e-mail user tries to send a protected file, the user may be given information on how to get the proper clearance to send the file.

  6. Maximum transmission unit - Wikipedia

    en.wikipedia.org/wiki/Maximum_transmission_unit

    With the normal untagged Ethernet frame overhead of 18 bytes and the 1500-byte payload, the Ethernet maximum frame size is 1518 bytes. If a 1500-byte IP packet is to be carried over a tagged Ethernet connection, the Ethernet frame maximum size needs to be 1522 bytes due to the larger size of an 802.1Q tagged frame.

  7. Nagle's algorithm - Wikipedia

    en.wikipedia.org/wiki/Nagle's_algorithm

    The RFC describes what Nagle calls the "small-packet problem", where an application repeatedly emits data in small chunks, frequently only 1 byte in size. Since TCP packets have a 40-byte header (20 bytes for TCP, 20 bytes for IPv4 ), this results in a 41-byte packet for 1 byte of useful information, a huge overhead.

  8. Jumbo frame - Wikipedia

    en.wikipedia.org/wiki/Jumbo_frame

    The frame size used by an end-to-end connection is typically limited by the lowest frame size in intermediate links. 802.5 Token Ring can support frames with a 4464-byte MTU , FDDI can transport 4352-byte, ATM 9180-byte and 802.11 can transport 7935-byte MTUs.

  9. Maximum segment size - Wikipedia

    en.wikipedia.org/wiki/Maximum_segment_size

    The default TCP Maximum Segment Size is for IPv4 is 536. For IPv6 it is 1220. [1]: §3.7.1 Where a host wishes to set the maximum segment size to a value other than the default, the maximum segment size is specified as a TCP option, initially in the TCP SYN packet during the TCP handshake. The value cannot be changed after the connection is ...