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Moxa Technologies UC-7420/7410 user manual Local Host Packets

Models: UC-7420/7410

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UC-7420/7410 User’s Manual

Managing Communication

Local Host

Packets

Mangle Table INPUT Chain

Filter Table

INPUT Chain

Local

Process

Mangle Table

OUTPUT Chain

NAT Table

OUTPUT Chain

Filter Table

OUTPUT Chain

Incoming

Packets

Mangle Table

PREROUTING Chain

NAT Table

PREROUTING Chain

NAT Table

POSTROUTING Chain

Outgoing

Packets

Other Host

Packets

Mangle Table

FORWARD Chain

Filter Table

FORWARD Chain

Mangle Table

POSTROUTING Chain

UC-7420/7410 supports the following sub-modules. Be sure to use the module that matches your application.

ip_conntrack	ipt_MARK
ip_conntrack_ftp	ipt_MASQUERADE
ipt_conntrack_irc	ipt_MIRROT
ip_nat_ftp	ipt_REDIRECT
ip_nat_irc	ipt_REJECT
ip_nat_snmp_basic	ipt_TCPMSS
ip_queue	ipt_TOS
ipt_LOG	ipt_ULOG

ipt_ah ipt_esp ipt_length ipt_limit ipt_mac ipt_mark ipt_multiport ipt_owner

ipt_state

ipt_tcpmss

ipt_tos

ipt_ttl

ipt_unclean

NOTE UC-7420/7410 does NOT support IPV6 and ipchains.

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Moxa Technologies UC-7420/7410 user manual Local Host Packets

Contents

Third Edition, June UC-7420/7410 User’s ManualDisclaimer Copyright NoticeTrademarks Table of Contents Chapter UC Finder Appendix B Windows Tool Chain Introduction ‰ Hardware Introduction IntroductionUC-7410-LX Package ChecklistProduct Features OverviewProduct Hardware Specifications Appearance Appearance and DimensionsHardware Introduction Dimensions LED Name Color Meaning Hardware Block DiagramLED Indicators Real Time Clock Reset-type ButtonsReset Button Reset to default ButtonWall or Cabinet Placement OptionsDIN-Rail Mounting Wiring RequirementsHardware Connection Description Grounding UC-7420/7410 Connecting the PowerConnecting to the Network Pin SignalPin RS-232 RS-422 RS-485 Connecting to a Serial DeviceConnecting to the Console Port CompactFlashSoftware Architecture Software IntroductionSoftware Package Journaling Flash File System JFFS2Software Version Comparison Table Directory Change Protocol stacks and utilitiesGetting Started ‰ Configuring the Ethernet InterfaceSerial Console Powering on UC-7420/7410Connecting UC-7420/7410 to a PC 192.168.4.127 255.255.255.0 Default IP Address NetmaskTelnet Console 192.168.3.127 255.255.255.0Windows Users SSH ConsoleStatic IP addresses Configuring the Ethernet InterfaceModifying Network Settings with the Serial Console Linux UsersDynamic IP addresses IEEE802.11b Configuring the Wlan via the Pcmcia InterfaceModifying Network Settings over the Network Default IP address is 192.168.5.127, netmask#vi /etc/wlan/wlancfg-any IEEE802.11g Setting Setting ExplanationKey1Str, Key2Str, Key3Str, Key4Str-Sets strings Key1 to Key4 TurboRate-Enables or disables TurboRate Step Installing the Tool Chain LinuxTest Program-Developing Hello.c Checking the Flash Memory SpaceYou should receive the following response Compiling Hello.cUploading Hello to UC-7420/7410 and Running the Program Testing EnvironmentDeveloping Your First Application #mount -t iso9660 /dev/cdrom /mnt/cdrom Compiling tcps2.cPuTTY Uploading tcps2-release and Running the Program#jobs // use this command to check if the program is running UC-7420/7410 User’s Manual Testing Procedure SummaryUC-7420/7410 User’s Manual Managing Embedded Linux ‰ System Version Information ‰ System Image BackupUpgrading the firmware will erase all data on the Flash ROM System Image BackupSystem Version Information Upgrading the Firmware#upramdisk #cd /mnt/ramdisk Loading Factory Defaults Firmware version V1.5 and later versions Backing Up the User File SystemFirmware versions earlier than V1.5 not including Enabling and Disabling Daemons UC-7420/7410 User’s Manual Managing Embedded Linux Setting the Run-Level Setting the Time Manually Adjusting the System TimeUpdating the Time Automatically Example shell script to update the system time periodicallyNTP Client Enable cron when the system boots up Cron-daemon to Execute Scheduled CommandsChange mode of fixtime.sh Enable the cron daemon manuallyCF Mass Storage Connecting PeripheralsUSB Mass Storage ‰ Iptables ‰ NAT Managing CommunicationsDisabling the Telnet/ftp server Web Service-ApacheTelnet / FTP Enabling the Telnet/ftp serverUsr/www/cgi-bin Saving a Web Page to the CF Card Use the following commands to restart the Apache web server Iptables Local Host Packets Examples Observe and erase chain rulesDefine policy for chain rules UsageIptmac Append or delete rulesNAT Example Enabling NAT at BootupDial-up Service-PPP Example 2 Connecting to a PPP server over a hard-wired link UP Loopback Running How to check the connection#vi /etc/exports Setting up UC-7420/7410 as an NFS ServerSetting up a Machine for Incoming PPP Connections NFS Network File SystemSetting up UC-7420/7410 as an NFS Client Steps 2 MailOpen VPN Internet IFS=‘ Create link symbols to enable this script at boot time Destination Gateway Genmsk Flags Metric Use Iface Now ping Host B from Host a by typing Setup 3 Routed IP Destination Gateway Genmsk Flags Metric Use Iface Programmer’s Guide Linux Tool Chain Introduction Address Size ContentsFlash Memory Map Tools Available in the Host Environment Debugging with GDBObtaining help Cross Compiling Applications and LibrariesBuzzer Device APIRTC Real Time Clock WDT Watch Dog Timer Input Int fd File handle from swtdopen return value Output User application example Example Special NoteSwtddisableswtdfd Int mainint argc, char *argv Pidt sonpid Example to get the baud rate Example to set the baud rateExamples KeyPadBaud rate inaccuracy Special NoteMake File Example UC Finder Windows UC Finder Installing the SoftwareUC-7420/7410 User’s Manual UC Finder Broadcast Search Linux ucfinder Editor System CommandsBusybox V0.60.4 Linux normal command utility collection File managerMoxa special utilities ProcessOther Windows Tool Chain Introduction Introduction Select the Root Directory Installation ProcedureUC-7420/7410 User’s Manual Windows Tool Chain Introduction UC-7420/7410 User’s Manual Windows Tool Chain Introduction Using the Bash Shell UC-7420/7410 User’s Manual Windows Tool Chain Introduction GDB debug tool-InsightUC-7420/7410 User’s Manual Windows Tool Chain Introduction Service Information Following services are provided Moxa Internet ServicesMoxa Product † UC-7410-LX † UC-7420-LX Serial Number Problem Report FormProduct Return Procedure