Given the following trace information,

$($a$)$ Is it an attack? If so$,$ describe the type of attack. If not, what is it$?$

$($b$)$ Was the source address spoofed?

$($c$)$ If it is an attack, describe the attack mechanism.

$($d$)$ If it is an attack, list $1$ defense against it$.$

$($e$)$ List the tech and admin contacts for both sites.

$[**]$ Unknown FTP Access $[***]$

$03/17-20$:$08$:$51\mathrm{.}868175210\mathrm{.}104\mathrm{.}180\mathrm{.}1$:$3299->128\mathrm{.}173\mathrm{.}92\mathrm{.}85$:$21$ TCP TTL:$45$ TOS $0$x$0$ ID:$33389$

DF $**$S$*****$ Seq: $0$xF$883$F$9$ Ack: $0$x$0$ Win:$0$x$7$d$78$ TCP Options $=>$ MSS: $1460$ SackOK: TS

$344608440$ NOP WS: $0$