Contents-6 VL6522c/VL5522c/VL4522c2.42.6 POP before SMTP.......................................................................................................................... 2-1372.42.7 POP over SSL ................................................................................................................................ 2-1372.42.8 APOP Authentication ..................................................................................................................... 2-1372.43 Restricting users of this machine (MFP authentication) ......................................................... 2-1382.43.1 Authentication Method................................................................................................................... 2-1392.43.2 User Registration ........................................................................................................................... 2-1412.43.3 Account Track Registration ........................................................................................................... 2-1442.44 Restricting users of this machine (Active Directory) ............................................................... 2-1462.44.1 TCP/IP Settings.............................................................................................................................. 2-1462.44.2 External Server Settings................................................................................................................. 2-1472.44.3 Authentication Method................................................................................................................... 2-1482.44.4 Default Function Permission .......................................................................................................... 2-1492.44.5 Date/Time Setting .......................................................................................................................... 2-1502.45 Restricting users of this machine (Windows domain or workgroup)..................................... 2-1512.45.1 TCP/IP Settings.............................................................................................................................. 2-1512.45.2 External Server Settings................................................................................................................. 2-1522.45.3 Authentication Method................................................................................................................... 2-1532.45.4 Default Function Permission .......................................................................................................... 2-1532.45.5 Client Setting.................................................................................................................................. 2-1542.45.6 WINS Setting.................................................................................................................................. 2-1542.45.7 Direct Hosting Setting.................................................................................................................... 2-1542.46 Restricting users of this machine (NDS over IPX/SPX) ........................................................... 2-1552.46.1 External Server Settings................................................................................................................. 2-1552.46.2 Authentication Method................................................................................................................... 2-1562.46.3 Default Function Permission .......................................................................................................... 2-1572.46.4 NetWare Settings ........................................................................................................................... 2-1572.47 Restricting users of this machine (NDS over TCP/IP) ............................................................. 2-1582.47.1 TCP/IP Settings.............................................................................................................................. 2-1582.47.2 External Server Settings................................................................................................................. 2-1592.47.3 Authentication Method................................................................................................................... 2-1602.47.4 Default Function Permission .......................................................................................................... 2-1602.48 Restricting users of this machine (LDAP) ................................................................................. 2-1612.48.1 TCP/IP Settings.............................................................................................................................. 2-1612.48.2 External Server Settings................................................................................................................. 2-1622.48.3 Authentication Method................................................................................................................... 2-1632.48.4 Default Function Permission .......................................................................................................... 2-1632.48.5 LDAP over SSL .............................................................................................................................. 2-164External Server Settings................................................................................................................. 2-164Setting Up LDAP (Certificate Verification Level Settings) .............................................................. 2-164Certificate Verification Settings...................................................................................................... 2-1652.49 Filtering IP addresses ................................................................................................................. 2-1662.49.1 TCP/IP Settings.............................................................................................................................. 2-1662.49.2 IP Filtering ...................................................................................................................................... 2-1662.50 Communicating using IPv6 ........................................................................................................ 2-168TCP/IP Setting ............................................................................................................................... 2-1692.51 Communicating using IPsec ...................................................................................................... 2-1712.51.1 TCP/IP Settings.............................................................................................................................. 2-1712.51.2 IPsec .............................................................................................................................................. 2-1722.51.3 IKE.................................................................................................................................................. 2-173IKE.................................................................................................................................................. 2-173IKE Setting ..................................................................................................................................... 2-1732.51.4 SA................................................................................................................................................... 2-174SA................................................................................................................................................... 2-174SA Setting ...................................................................................................................................... 2-1742.51.5 Peer................................................................................................................................................ 2-175