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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.
IP fragmentation attacks are a kind of computer security attack based on how the Internet Protocol (IP) requires data to be transmitted and processed. Specifically, it invokes IP fragmentation, a process used to partition messages (the service data unit (SDU); typically a packet) from one layer of a network into multiple smaller payloads that can fit within the lower layer's protocol data unit ...
This socat bug affected version 1.7.3.0 and 2.0.0-b8 it was corrected in following releases from 1.7.3.1 and 2.0.0-b9. [19] Cryptcat [21] is a version of netcat with integrated transport encryption capabilities. In the middle of 2005, Nmap announced another netcat incarnation called Ncat. [22]
Telnet (short for "telecommunications network") [1] is a client/server application protocol that provides access to virtual terminals of remote systems on local area networks or the Internet. [2] It is a protocol for bidirectional 8-bit communications. Its main goal was to connect terminal devices and terminal-oriented processes. [3]
A network and wildcard mask combination of 1.1.1.1 0.0.0.0 would match an interface configured exactly with 1.1.1.1 only, and nothing else. Wildcard masks are used in situations where subnet masks may not apply.
TRUNK-1 Trunk-1 0x18 24 TRUNK-2 Trunk-2 0x19 25 LEAF-1 Leaf-1 0x1A 26 LEAF-2 Leaf-2 0x1B 27 RDP Reliable Data Protocol: RFC 908: 0x1C 28 IRTP Internet Reliable Transaction Protocol: RFC 938: 0x1D 29 ISO-TP4 ISO Transport Protocol Class 4 RFC 905: 0x1E 30 NETBLT Bulk Data Transfer Protocol: RFC 998: 0x1F 31 MFE-NSP MFE Network Services Protocol ...
uncoded on-the-wire bit pattern transmitted from left to right (used by Ethernet variants transmitting serial bits instead of larger symbols) [1]: sections 4.2.5 and 3.2.2 10101010 10101010 10101010 10101010 10101010 10101010 10101010 10101011 decimal in Ethernet LSb-first ordering [1]: sections 3.2.2, 3.3 and 4.2.6 85 85 85 85 85 85 85 213
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 .