JetDirect / PJL Service Detection (port 9100)

Detects network printers exposing raw JetDirect/AppSocket on TCP 9100 and probes the PJL command interface with INFO ID. Optionally checks whether FSUPLOAD path traversal returns /etc/passwd content. !/usr/bin/env python3 -- coding: utf-8 -- """Detect HP JetDirect / AppSocket raw printing and PJL...