Binary package “atftpd” in ubuntu jammy

advanced TFTP server

 Multi-threaded TFTP server implementing all options (option extension and
 multicast) as specified in RFC1350, RFC2090, RFC2347, RFC2348 and RFC2349.
 Atftpd also supports multicast protocol known as mtftp, defined in the PXE
 specification. The server is socket activated by default but supports being
 started from inetd(8) as well as in daemon mode using init scripts.