After Franklin Roosevelt died in office in April 1945, Eleanor was expected to retire to a quiet, private life. However, by the end of the year she was back in public. America's new president, Harry S. Truman (1884â1972), made her the American representative to the United Nations Commission on Human Rights.
The UDP protocol header consists of 8 bytes of Protocol Control Information (PCI) The UDP header consists of four fields each of 2 bytes in length: Source Port (UDP packets from a client use this as a service access point (SAP) to indicate the session on the local client that originated the packet.
arp-scan does not use ip level communications, but uses layer two communications that are valid only within your local segment. Layer 2 packets have hardware addresses which are macs. Layer 3 packets use ip addresses. The interesting fact is that machine still can be found even if it does not answer pings, but only within local segment of network.