RFC 1123 - Requirements for Internet Hosts -- Application and Support1989 RFC that lists some minimum standards hosts of the time must adhear to. Includes some requirements for common protocols like telnet, ftp, smtp and dns#networking#dns#ftp#smtp#rfc#protocol#specifications#telnet·tools.ietf.org·Mar 21, 2009RFC 1123 - Requirements for Internet Hosts -- Application and Support