Notes / Threat IntelligenceAppSocket/JetDirect/PDL Printer PJL INFOAppSocket/JetDirect/PDL Printer PJL INFO9 February 20221 min readCategories:threat-intelligenceTags:tcp9100pjlprinterContentsPacket detailsProtocolPortContent MD5Sample date timeASCIIHEXExternal referenceOriginal packetArchive note: This observation was migrated from the former threatdump project. It is retained as historical packet research and is not a live threat feed. HP Printer job language(PJL) status query over PDLPacket detailsProtocolTCPPort9100Content MD5d6fa47ca-fd91-40ac-a893-8666707d3b57Sample date time2022-01-31 12:26:38.871ASCII@PJL INFO STATUS @PJL INFO ID @PJL INFO PRODINFO HEX40504a4c20494e464f205354415455530a40504a4c20494e464f2049440a40504a4c20494e464f2050524f44494e464f0a External referencePJL Commands Wiki PJLOriginal packetBytes← Redis INFO enumerationXMPP Jabber Client request →