So, if I have a Brother DCP-L5500DN printer in my local network, which is composed only by 2 computers, 2 printers and 1 ticket printer, and in the ticket printer sometimes I get something like the thing showed in the photo and no one has done any "nmap" command... and apart from the random1random2random3random4 string, there are other suspicious strings like "WHOYOUARE", IP:9001, User-Agent...Macintosh....       then it is an attack, right? 😱 ... View more