Enterprise-Level Print Security and Easy On-Site Service Multilayered, enterprise-level print security, including HDD overwrite and data encryption, secures critical business information. Authentication The X3280 Series supports authentication through 802.1x, Simple Mail Transfer Protocol (SMTP), Lightweight Direct Access Protocol (LDAP) and Kerberos technologis, along with network use authentication at the control panel Job Protection Protect print jobs with secure print, encrypted scanning, digital signatures and job logs. Hard Disk Protection Safeguard the hard disk with encryption and overwrite capabilities. Network Security / Protocols Secure your company network and protocols through protocol and port disablement, IP and MAC address filtering, Secure Sockets Layer (SSL), Transport Layer Security (TLS) and other network security technologies.