Black Box LR1530A-R3, LR1530A-EU-R3 manual Firewall LAN Filter Direction Location Main

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Applications

designated servers list allows you to quickly setup a firewall entry without having to figure out TCP port values.

Next, the LAN firewall is set up to restrict access to the LAN. The firewall option is set to “outbound” to have the LAN firewall filter traffic from the router.

7Firewall LAN Filter Direction Location: Main

ÄConfiguration

ÄApplications Set up

ÄFirewall Set up

ÄLAN Firewall Set up

ÄFirewall

ÄOutbound

An entry is made in the firewall table to allow the devices in the branch office to have unlimited TCP access to devices in the head office.

7Firewall Table Entry Location: Main

ÄConfiguration

ÄApplications Set up

ÄFirewall Set up

ÄLAN Firewall Set up

ÄEdit Firewall Entry

Äfilter ID # 1

ÄDest IP Address

195.100.1.0

ÄDestination Mask

255.255.255.0

ÄSource IP Address

195.100.2.0

ÄSource Mask

255.255.255.0

ÄProtocol Type

TCP

Äentry direction

outbound

Finally, holes are provided in the LAN firewall to allow Internet access to the FTP and WWW servers

54

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Contents Frame Relay/Leased Line Bridge/Router Specifications Normas Oficiales Mexicanas Electrical Safety Statement Page Page Page Contents Introduction to Filtering Appendix D Software Upgrades Page Unpack the unit Select a SiteIdentify the Connectors Rear View of the CSU-DSU routerConnect to the Console Make the LAN ConnectionsMake the WAN Link Connection Installation Power Up the router Login and Enter the Required ConfigurationMandatory Configuration Mandatory ConfigurationSetting the Link Interface Type Set Link Interface Type Location MainLink Interface Type Setting the T1/E1Parameters Service parameters Location MainT1/E1 Selection Location Main Framed/unframed/SF/ESFAs specifed First channel Number number of channelsSet Link Interface Type Location Main Identify the Status LEDs GreenFront View of the router Typical Applications & HOW to Configure Them Managing the router Using Menus Configuration Option Name Location Main ConventionsOption Name Basic Frame Relay Configuration Frame Relay configurationFrame Relay enable Location Main Link Speed Location MainLink Speed Auto Learning the Frame Relay Configuration Manual Configuration LMI Type Auto-Learning Location MainLMI Type Quick Start Frame Relay IP AddressIP Address / Subnet mask size PPP Encapsulation Location Main Basic Leased Line Configuration Frame Relay disable Location MainDisabled Quick Start PPP Leased Line ConnectionsBasic PPP Leased Line Configuration Local IP Address Location MainBridge Connection Should You Bridge or Route? Configure as an Ethernet Bridge Bridged Local Area NetworksIP Address Applications Configure as an Ethernet IP router IP Routed Local Area NetworksIP Address Define an IP Default Gateway Default Gateway Location MainDefault Gateway Define an IP Static Route Edit Static Route Location MainRemote Site Next Hop Cost Add Define an IP Subnet Mask IP Address & Subnet Size Location Main IP Address / mask sizeApplications Configure as an Ethernet IPX router Novell Servers in Both LocationsApplications Novell Servers in One Location Only IPX Routed Local Area Networks Servers on one sideIPX Frame Types Location Main PPP Link Configuration Overview Numbered LinksUnnumbered Links Configure Dynamic Host Configuration Protocol Dhcp Services Location MainServer IP Address Pool Location MainLocal + External DNS Server Configuration DNS Set-Up Location MainConfigure Network Address Translation NAT NAT Enabled Location MainEnabled NAT ExportsTranslation type Location Main Configure PPP Security Security Level Location MainSecurity Level Incoming PAP Password Incoming Chap Secret Outgoing PAP Password Outgoing Chap SecretSecurity Database Entry Location Main Configure Firewall 10 Sample Firewall ApplicationFirewall WAN Remote Site Filter direction Location Main FTP & WWW Designated Servers Location MainFirewall LAN Filter Direction Location Main Firewall Table Entry Location MainFirewall Location Main Applications MAC Address Filtering Introduction to FilteringPattern Filtering Not Introduction to Filtering NetBIOS &NetBEUI Microsoft Windows Popular FiltersBridge IP & Related TrafficNetBIOS over TCP BanyanIP Router Other interesting TCP PortsAppendix a Menu Trees Menu Tree From previous Page Appendix B Octet Locations on Ethernet Frames Octet Locations on Ethernet Frames Ethernet Type Codes ARPOctet Locations on Ethernet Frames Octet Locations on a Bridged XNS Frame Octet Locations on Ethernet Frames Opening the case Appendix C Servicing InformationIdentifying the Internal Components CPUJ11 Sanity Timer To Clear a Lost PasswordForce Zmodem Software Load Connecting to the Console Connector Figure C-3 Rear View of the Console and LAN ConnectorsWAN Interface Connection Pinout InformationModule CSU/DSU ModuleT1/E1 Module T1/E1Universal WAN Module Connecting cable must be a shielded cable Link PinoutsServicing Information RS232C / V.24 Link Pinouts DCERS530 / RS422 Link Pinouts Figure C-8 RS530 / RS422 Link Pinouts11 / X.21 Link Pinouts Figure C-9 V.11 / X.21 Link Pinouts11 / X.21 DB25 to DB15 Connector Cable Figure C-10 V.11 / X.21 DB25 to DB15 Connector CableNull-Modem Cable Configuration Figure C 11 V.35 Null-Modem CableRS232 / V.24 Null-Modem Cable Figure C-12 RS232 / V.24 Null-Modem CableSignal Ground DTE Ready a RS530 / RS422 Null-Modem CableServicing Information Appendix D Software Upgrades Considerations Servicing Information Page PC used for Tftp transfers Link