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Options may include the size of the payload, count of tests, limits for the number of network hops that probes traverse, interval between the requests and time to wait for a response. Many systems provide a companion utility ping6, for testing on Internet Protocol version 6 (IPv6) networks, which implement ICMPv6 .
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.
The user's computer has an IP address stuffed manually into its address table (normally with the arp command with the MAC address taken from a label on the device) The computer sends special packets to the device, typically a ping packet with a non-default size. The device then adopts this IP address
The variable size of the ICMP packet data section has been exploited. In the "Ping of death", large or fragmented ICMP packets are used for denial-of-service attacks. ICMP data can also be used to create covert channels for communication. These channels are known as ICMP tunnels.
In the context of computer networks, the signal is typically a data packet. RTT is commonly used interchangeably with ping time , which can be determined with the ping command . However, ping time may differ from experienced RTT with other protocols since the payload and priority associated with ICMP messages used by ping may differ from that ...
The round-trip time or ping time is the time from the start of the transmission from the sending node until a response (for example an ACK packet or ping ICMP response) is received at the same node. It is affected by packet delivery time as well as the data processing delay, which depends on the load on the responding node. If the sent data ...
Path MTU Discovery (PMTUD) is a standardized technique in computer networking for determining the maximum transmission unit (MTU) size on the network path between two Internet Protocol (IP) hosts, usually with the goal of avoiding IP fragmentation. PMTUD was originally intended for routers in Internet Protocol Version 4 (IPv4). [1]
byte #5-7 (0x000019) = Packet Length - in this case it is 0x000019 = 25 bytes. byte #8 (0x14) = Message Type ID - 0x14 (20) defines an AMF0 encoded command message. byte #9-12 (0x00000000) = Message Stream ID. This is in little-endian order. The Message Type ID byte defines whether the packet contains audio/video data, a remote object or a command.