# USBGuard USBGuard is a technology or product recorded in [[Scanned_20260730-1706|Scanned_20260730-1706]]. In the reconstruction, USBGuard enforces USB-device authorization policy; rfkill/ufkill relates to radio-device control; Gufw is a graphical firewall front end; LinSSID visualizes Wi-Fi networks. ## Historical and Technical Context [[PXELINUX|PXELINUX]] is the PXE-capable member of the SYSLINUX bootloader family. [[ConnMan|ConnMan]] and [[NetworkManager|NetworkManager]] are competing Linux connection managers. [[ZFS|ZFS]], [[Filesystem in Userspace|FUSE]], `ntfs-3g`, `squashfuse`, and `fuseiso` collectively allow Linux to access diverse filesystems and images. [[Wireshark|Wireshark]] captures and analyzes network packets. [[USBGuard|USBGuard]] enforces USB-device authorization policy; [[ufkill|rfkill/ufkill]] relates to radio-device control; [[Gufw|Gufw]] is a graphical firewall front end; [[linssid|LinSSID]] visualizes Wi-Fi networks. Several package spellings are uncertain and should not be silently normalized. ## Role in Scanned_20260730-1706 This is the notebook's clearest **portable recovery-OS architecture**: boot locally or by PXE; mount nearly any filesystem; acquire network evidence; administer printing and connectivity; and restrict removable-device access. ## Notebook Evidence - [[Scanned_20260730-1706|Scanned_20260730-1706]], PDF page 15: Boot, filesystem, forensic, and authentication stack. **Evidentiary status:** The page occurrence and transcription are notebook evidence. Technical identification follows the source reconstruction’s cited research. Co-occurrence does not by itself prove ownership, deployment, or a direct operational relationship. ## Relationships and Overlays On the cited page or pages, USBGuard appears with [[ConnMan|ConnMan]], [[Filesystem in Userspace|FUSE]], [[Gufw|Gufw]], [[linssid|linssid]], [[NetworkManager|NetworkManager]], [[PXELINUX|PXELINUX]], [[ufkill|ufkill]], [[Wireshark|Wireshark]], [[ZFS|ZFS]]. These are page-level or reconstruction-level relationships, not automatic claims of dependency. ## Cross-Notebook Significance This entity expands the collection’s recurring vertical method: begin with a visible product, name, or interface; identify the hidden control layer; then connect it to recovery, authority, evidence, or continuity without assuming a relationship that the page does not prove. ## Missed Signals and Open Leads Resolve `xdemorse`, `zsys`, `iodine-gui`, `wwnn-sump`, `lms`, `netsniff`, and `usb3dmux` against the actual package manifest if one survives. ## Sources - [[Scanned_20260730-1706|Scanned_20260730-1706]], especially PDF page(s) 15. - `Scanned_20260730-1706.pdf`, cited as a plain archival filename; the PDF is not linked from `wiki-notes`. - External research citations used for identification remain preserved in the source reconstruction.