User`s manual

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Chapter 4 Configuring the EM-1240-LX
In this chapter, we describe how to configure the EM-1240-LX Series products.
The following topics are covered in this chapter:
 Enabling and Disabling Daemons
 Adding a Web Page
 IPTABLES
¾ Observe and erase chain rules
¾ Define policy for chain rules
¾ Append or delete rules:
 NAT
¾ NAT Example
¾ Enabling NAT at Bootup
 Configuring Dial-in/Dial-out Service
¾ Dial-out Service
¾ Dial-in Service
 Configuring PPPoE
 How to Mount a Remote NFS Server
 Dynamic Driver Module Load/Unload
 Upgrading the Kernel
 Upgrading the Root File System & User Directory
 User Directory Backup—EM-1240-LX to PC
 Loading Factory Defaults
 Mirroring the Application Program and Configuration
 Autostarting User Applications on Bootup
 Checking the Kernel and Root File System Versions