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RX3141 User’s Manual Revision 1.01 Oct. 21, 2004 ...
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ii Table of Contents 1 Introduction .............................................. 1 1.1 Features ................................................................................................................ 1 1.2 System Requirements .......................................................................................... 1 1.3 Using this Docum ...
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iii 3.2.1 Before you begin ...................................................................................... 13 3.2.2 Windows® XP PCs: ................................................................................. 13 3.2.3 Windows® 2000 PCs: .............................................................................. 13 3.2.4 Windows® ...
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iv 6 DHCP Server Configuration ................... 35 6.1 DHCP (Dynamic Host Control Protocol) ............................................................ 35 6.1.1 What is DHCP? ........................................................................................ 35 6.1.2 Why use DHCP? ........................................................... ...
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v 9.4.2 Figure 9.4. S ample I nbound ACL L ist Ta bleModify In bound AC L Rules .................................................................................................................. 56 9.4.3 Delete Inbound ACL Rules ...................................................................... 56 9.4.4 Display Inbound ACL Rules ............... ...
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vi 11.7 . System Configuration Management ................................................................ 79 11.7.1 Backup System Configuration ................................................................. 79 11.7.2 Restore System Configuration ................................................................. 81 12 IP Addresses, Network Masks, ...
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vii List of Figures Figure 2.1. Front Panel LEDs................................................................................................... ................................6 Figure 2.2. Rear Panel Connectors .........................................................................................................................7 Figure 3.1. ...
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viii Figure 9.7. Sample Out b ound ACL List Table..................................................................................... ................. 58 Figure 9.8. Self-Access ACL Configuration Page ................................................................................. ............... 60 Figure 9.9. Self-Access A C L Configurat ion E ...
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ix List of Tables Table 2.1. DoS Attacks ......................................................................................................... ....................................5 Table 2.2. Front Pa nel Label and LEDs .......................................................................................... ........................6 Table 2.3 ...
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RX3141 User’s Manual Chapter 1. Introduct ion 1 Introduction Congratulat ions on becomin g the owner of RX3141 . Your LAN ( local area ne twork) will now be able to access the Inter net using your high-speed broadba nd connection s uch as those w ith ADSL o r cable modem . This User Manual will show you how to set up the RX3141, and how to cu sto ...
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Chapter 1. Introduct ion RX3141 User’ s Manual 2 1.3 Using this Document 1.3.1 Notational conventions f Acronyms are def ined the fi rst time they appear in th e text. f For brevity, RX3141 is sometim es referred to as the “router” or the ”g ateway”. f Th e terms LA N and network are used in terchangeably to r efer to a group of Eth ernet ...
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RX3141 User’s Manual Chapter 2. Getting to Know 3 2 Getting to Know RX3141 2.1 Parts Li st In addition to t his docum ent, RX 3141 sh ould co me with the f ollowin g: f The System unit, RX 3141 f AC A dapter f User Manual f Compact Disk of Multi-lang uage Quick installa tion Guide 2.2 Hardware Features f LA N • 4-port Gigabit switch • Auto sp ...
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Asus RX3141 - page 14
Chapter 2. Getting to Know RX3141 User’s Manual 4 2.3.2 Firewall Features The firewall as im plemented in RX3141 provides the follow ing features to protect your netw ork from being attacked and to pre vent your network fr om being used as the springboar d for attacks. f Stateful Packet In spection f Pa cket Filteri ng (ACL ) f Defense again st D ...
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RX3141 User’s Manual Chapter 2 Getting to Know 5 Table 2.1. DoS Attacks Type of Attack Name of Attacks Re-assembly attacks Bonk, Boink , Teardrop (New T ear), Overdrop, Opentear, Syndrop, Jolt, IP fragmentation overl ap ICMP Attacks Ping of Death, Smurf, Twinge Flooders Logging only for ICMP Fl ooder, UDP Flooder, S YN Flooder Port Scans Logging ...
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Asus RX3141 - page 16
Chapter 2. Getting to Know RX3141 User’s Manual 6 2.4 Finding Y our W ay Around 2.4.1 Front Panel The front panel cont ains LED indi cators that sho w the status of the unit. Figure 2.1. Fr ont Pan el LEDs Table 2.2. F ront P anel Label and LE Ds LED Label Color Status Indication ○ 1 POWER Green ON OFF RX3141 is powered on RX3141 is po wered of ...
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RX3141 User’s Manual Chapter 2 Getting to Know 7 LED Label Color Status Indication Amber ON Blinking Speed is 10Mb ps Data is transmitt ed or received via th e connection OFF No link is established . ○ 5 DUPLEX Amber ON OFF The LAN port is operatin g in full-duplex mode. The LAN port is operating in half duplex mode and no col lisio n is detect ...
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Chapter 2. Getting to Know RX3141 User’s Manual 8 2.4.3 Bott om View ○ 11 Wall Mount Slots : You may use these slots to hang RX3 141 on the wall to sa ve space. Depending on your particular require ment by taking into accoun t the location of the power ou tlet, power cord length, Ethern et cable length and et c., you can hang RX3141 in 4 diffe ...
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RX3141 User’s Manual Chapter 2 Getting to Know 9 2.5 Placement Options Depending on your environment, you may ch oose one of the three suppor ted placement options for RX3141 – desktop place ment, magnet mount and wall mou nt. 2.5.1 Desktop Placement You may place RX3141 o n any flat surface. Th e space-saving d esign of RX3141 occup ies only a ...
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RX3141 User’s Manual Chapter 3. Quick Start Guide 11 3 Quick S t art Guide This Quick Sta rt Guide provides basic instructions for connec ting the RX3141 to a comp uter or a network and to the Internet. f Part 1 provides instr uctions to set up the hardware. f Part 2 descr ibes how to configure Interne t properties on your computer(s) . f Part 3 ...
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Chapter 3. Quick Start Guide RX3141 User’ s Manual 12 3.1.3 Step 3. Attach the AC adapter. Attach the AC ada pter to t he POWE R input j ack on the back of t he de vice and pl ug in th e adapte r to a wal l outlet or a power strip. 3.1.4 Step 4. Power on RX3141, the ADSL or cable modem and power up your computers. Plug the AC ada pter to t he pow ...
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Asus RX3141 - page 23
RX3141 User’s Manual Chapter 3. Quick Start Guide 13 3.2 Part 2 — Configuring Y our Computers Part 2 of the Quick Start G uide provide s instruct ions for config uring the net work setting s on your computer s to work with the RX3141. 3.2.1 Before you begin By default, the RX3141 automatically assigns all req uired network settings (e.g. IP add ...
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Chapter 3. Quick Start Guide RX3141 User’ s Manual 14 5. In the Select Network Component Type dialog box, select Protocol , and then click <Add> button. 6. Select Internet Protocol (TCP/IP) in the Network Protoc ols list, and then click <OK> button. You may be prompt ed to install files from yo ur Windows 2000 inst allation CD or othe ...
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Asus RX3141 - page 25
RX3141 User’s Manual Chapter 3. Quick Start Guide 15 3.2.5 Windows® NT 4.0 workstations: First, check f or the IP protoc ol and, if n ecessary, in stall it: 1. In the Windows NT task bar, click the <Start> button, point to Settings , and then click Control Panel . 2. In the Control Panel window, double click the Net work icon. 3. In the Ne ...
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Asus RX3141 - page 26
Chapter 3. Quick Start Guide RX3141 User’ s Manual 16 3.3 Part 3 — Quick Configuration of the RX3141 In Part 3, you log into the Confi guration M anager on the RX31 41 and configu re basic settings fo r your router. Your ISP shoul d provide y ou wit h the nece ssary info rmation t o complete t his ste p. Note the i ntent here i s to quickly ge ...
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Asus RX3141 - page 27
RX3141 User’s Manual Chapter 3. Quick Start Guide 17 Figure 3.3. System S tatus Pag e 4. Follow the instructions described in Chapter 5 "Router Con nection Setup” to set up the LAN and WAN settings for RX3141. After completi ng the b asic conf iguratio n for RX3141, re ad the foll owing section t o determi ne if you can access the In terne ...
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Asus RX3141 - page 28
Chapter 3. Quick Start Guide RX3141 User’ s Manual 18 3.3.3 Defa ult Router Setting s In addition to handling the DS L connecti on to your ISP, the RX3141 can provid e a variety of services to your network. The dev ice is pre-conf igured with defau lt settings for use wi th a typical home or small of fice network. Table 3.2 list s some of the mos ...
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Asus RX3141 - page 29
RX3141 User’s Manual Chapter 4. Using the Configur ation M anager 19 4 Using the Configuration Manager The RX3141 includes a preinstalled progra m called the Configuration Manager , which provid es an inter face to the software i nstalled on the device. It enables y ou to conf igure t he device settings to meet the needs of y our network. You acc ...
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Chapter 4. Using the Configur ation Manager RX3141 User’s Manual 20 4.2 Functional Layout Typical Typica l Configuration pa ge consists of sev eral element s – banner, menu, menu nav igation tips, configuration, a nd on-line help. You can click on any men u item to expa nd/contract any menu groups or to access a specifi c configuration p age. T ...
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Asus RX3141 - page 31
RX3141 User’s Manual Chapter 4. Using the Configur ation M anager 21 4.2.2 Comm only Used Buttons and Icons The followi ng butto ns or icon s are used th rougho ut the appl ication. T he follo wing ta ble descri bes the f unction for each button or icon. Table 4.1. Descrip tion of Commonl y Used Buttons and Icon s Button/Icon Function Stores any ...
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Asus RX3141 - page 32
Chapter 4. Using the Configur ation Manager RX3141 User’s Manual 22 4.3 Overview of System Configuration To view the overall sy stem configu ration, log into th e Configurat ion Manage r, and then clic k Status menu. Figure 4.3 shows sam ple inf ormation av ailable in the Sy stem I nformati on page. Figure 4.3. System In formation Pag e ...
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Asus RX3141 - page 33
RX3141 User’s Manual Chapter 5 Router Connection Setup 23 5 Router Connection Setup This cha pter describes h ow to c onfigure the basic settings for your router so that the com puters on you r LAN can communica te with each ot her and have access to the Internet. Netwo rk setup cons ists of LAN and WAN configurations. 5.1 LAN Configuration 5.1.1 ...
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Asus RX3141 - page 34
Chapter 5 Router Connection Setup RX3141 User’ s Manual 24 5.1.3 Configuring the LAN IP Address Follow thes e steps to change the de fault LAN IP address. 1. Log into Configuration Manager, and then doubl e cli c k Router Setup Î Connection menu. The Router Connection Setup config uratio n page is then displayed as shown in Figure 5.1. Figure 5 ...
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Asus RX3141 - page 35
RX3141 User’s Manual Chapter 5 Router Connection Setup 25 5.2 W AN Configuration This sectio n describes how t o configure WAN setti ngs for t he WAN interface o n the RX 3141 th at communicat es with y our ISP. You’l l learn to config ure IP add ress, DHCP and DNS se rver for y our WAN in this section. 5.2.1 WAN Connecti on Mode Four modes of ...
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Asus RX3141 - page 36
Chapter 5 Router Connection Setup RX3141 User’ s Manual 26 5.2.2 PPPoE PPPoE connection is most often used by ADSL service providers. Figure 5.3. WAN – PPPoE Configura tion Connection Mode drop- down list ...
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Asus RX3141 - page 37
RX3141 User’s Manual Chapter 5 Router Connection Setup 27 5.2.2.1 WAN PPPoE Config uration Parame ters Table 5.2 descr ibes the configuration parameters available for PPPo E connection mode. Table 5.2. WAN PPPoE Configur ation Parame ters Setting Description Connection Mode Select PPPoE from the connec tion mode drop-down list. PPPoE Session Sele ...
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Asus RX3141 - page 38
Chapter 5 Router Connection Setup RX3141 User’ s Manual 28 5.2.2.2 Configuring PPPo E for WAN Follow the instructions below to configure PPPoE settings: 1. Open the Router Connection conf iguration page by double clicking the Router Setup Î Connection menu. 2. Select PPPoE from the WAN Connection Mode drop-down list as sho wn in Fig ure 5.3. 3. ...
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Asus RX3141 - page 39
RX3141 User’s Manual Chapter 5 Router Connection Setup 29 Figure 5.5. WAN – PPPoE0 Se ttings Figure 5.6. WAN – PPPoE1 Se ttings 3. Configure firewall out bound ACL rules to forward the desi gnated traffic to each i ntended PPPoE session. Please refer to se ction 9.5 “Configurin g Outbound ACL Rules” for instructions on setting up ACL rule ...
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Asus RX3141 - page 40
Chapter 5 Router Connection Setup RX3141 User’ s Manual 30 Figure 5.9. WAN – Outbound ACL Rule Se ttings for PPPoE Multi-session Example Figure 5.10. WAN – Default Outbound AC L Rule for PPPoE Mul ti-session Example ...
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Asus RX3141 - page 41
RX3141 User’s Manual Chapter 5 Router Connection Setup 31 5.2.3 PPPoE Unnumbered Some of the ADSL ser vice providers may offer PPPoE unnumbered ser vice. Choose this connectio n mode if your ISP provid es such service. Figure 5.11 . WAN – PPPoE Unnumbered Configur ation Connection Mode drop- down list ...
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Asus RX3141 - page 42
Chapter 5 Router Connection Setup RX3141 User’ s Manual 32 5.2.3.1 WAN PPPoE Unnumbe red Configuration Paramete rs Table 5.3 descr ibes the configurat ion parameters available for PPPoE unnumbered connection mode. Table 5.3. WAN PPPoE Unnumber ed Configuration Parame ters Setting Description Connection Mode Select PPPoE Unnumbered from the connec ...
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Asus RX3141 - page 43
RX3141 User’s Manual Chapter 5 Router Connection Setup 33 5.2.3.2 Configuring PPPo E Unnumbered for WAN Follow the inst ructions below to configure PPPoE unnumbered settings: 1. Open the Router Connection co nfi guration page by double clicking the Router Setup Î Connection menu. 2. Select PPPoE Unnumbered from the WAN Connection Mode dro p-do w ...
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Asus RX3141 - page 44
Chapter 5 Router Connection Setup RX3141 User’ s Manual 34 5.2.5 Stat ic IP Figure 5.13. WAN – Stat ic IP Configuration 5.2.5.1 WAN Static IP Config uration Parameters Table 5.4 descr ibes the configuration parameters available for s tatic IP connection mode. Table 5.4. WAN Stati c IP Configuration Parameters Setting Description Connection Mode ...
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Asus RX3141 - page 45
RX3141 User’s Manual Chapter Error! Reference source not found. . Error! Reference source not found. 35 6 DHCP Server Configuration 6.1 DHCP (Dynamic Host Control Protocol) 6.1.1 What is DHCP? DHCP is a protocol that ena bles network ad ministrato rs to centrally manage t he assignment and d istributi on of IP information to computer s on a netwo ...
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Asus RX3141 - page 46
Chapter 6 RX3141 User’s Manual 36 Figure 6.1. DHCP S erver Config uration Pag e 2. Enter the information for the IP Address Pool (Begin/End Address ), Sub net Mask , Lease Time and Default Gateway IP Address, fields; others, such as Primary/Secondary DNS Server IP Address and Primary/Secondary WINS Server IP Address are optional. However, it is r ...
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Asus RX3141 - page 47
RX3141 User’s Manual Chapter Error! Reference source not found. . Error! Reference source not found. 37 Field Description LAN to DNS servers and re lay the results ba ck to the LAN comput ers. Note that both the primary and secon dary DNS servers are optio nal. Primary/Secondary WINS Server IP Address (o ptional) The IP address of the WINS server ...
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Asus RX3141 - page 49
RX3141 User’s Manual Chapter 7. Configuring Sta tic Routes 39 7 Configuring S t atic Routes You can use Configuration Manager to define spec ific routes for your Interne t and network data communicatio n. This chapter descri bes basic routing c on cepts and provide s instructio ns for creating st atic routes. Note that mo st users do not need to ...
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Asus RX3141 - page 50
Chapter 7. Configuring Sta tic Routes RX3141 User’s Manual 40 7.2 S t atic Route Figure 7 .1. Routing Config uration Page 7.2.1 Stat ic Route Conf iguration Parameters The followi ng table defines t he available conf igurat io n parameters for st atic routing conf iguration. Table 7.1. Static Ro ute Configur ation Param eters Field Description De ...
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Asus RX3141 - page 51
RX3141 User’s Manual Chapter 7. Configuring Sta tic Routes 41 7.2.2 Add ing Static Routes Figure 7.2. Stati c Route Configuration Follow these i nstructi ons to add a stati c route to the routing t able. 1. Open the Static Route confi guration page by double clicking the Advanced Î Static Route menu. 2. Enter static routes information such as de ...
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Asus RX3141 - page 52
Chapter 7. Configuring Sta tic Routes RX3141 User’s Manual 42 7.2.3 Deleting Static R outes Figure 7 .3. Sample Routing Table Follow th ese in structi ons to delete a stati c rout e from t he routin g table. 1. Open the Static Route confi guration page by double clicking the Advanced Î Static Route menu. 2. Click on the icon of the route to be d ...
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Asus RX3141 - page 53
RX3141 User’s Manual Chapter 8. Configuring DDNS 43 8 Configuring DDNS Dynamic DNS is a service th at allo ws comput ers to use the same dom ain nam e, even wh en the IP ad dress changes from time to time (during reboot or when the ISP's DHCP server rese ts IP leases). RX3141 connects to a Dynam ic DNS service provider whenever the WAN IP a ...
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Asus RX3141 - page 54
Chapter 8. Configuring DDNS RX3141 User’s Manual 44 8.1 DDNS Configuration Parameters Table 8.1 describe s the config uration pa ramet ers av ailabl e for DDNS service. Table 8.1. DDNS Configu ration Parameter s Field Description Status Shows the state of DDNS. Dynamic DNS Enable Click on this radio button to enable the DDNS Service Disable Click ...
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Asus RX3141 - page 55
RX3141 User’s Manual Chapter 8. Configuring DDNS 45 8.2 Configuring HTTP DDNS Client Figure 8.2. HTTP DDNS Configuration Pag e Follow these instruct ions to configure the HTTP DDNS: 1. First, you should have already registered a dom ain name to the DDNS service provider. If you have not done so, please visit www.dyndns.org for more details. 2. Lo ...
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Asus RX3141 - page 57
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 47 9 Configuring Firewall/NA T Settings The RX3141 provi des built-i n firewall/ NAT functions, enabli ng you to protect the sy stem again st denial of service (DoS) attacks a nd other types of mali cious accesse s to your LAN while provid ing Internet acce ss sharing at the same ...
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Asus RX3141 - page 58
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 48 the packet is droppe d; otherwise, the packet is eit her dropped or forwarded b ased on the action defined in t he matched A CL rule. 9.1.3.2 ACL Rule and Connection State Tracking The state ful packet inspection engine in th e firewall keeps tr ack of the state, or p rogress, ...
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Asus RX3141 - page 59
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 49 9.2 Router Security Settings 9.2.1 Basic Router Security Configuration Param eters Table 9.1 describe s the conf iguration p ara meter s avai lable for ba sic router secu rity configurat ion. Table 9.1. Basic Rout er Security Con figuration Par ameters Field Description Firewa ...
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Asus RX3141 - page 60
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 50 9.2.2.1 DoS Protection Configuration Parameters Table 9.2 provide s expla nation fo r each ty pe of DoS atta cks. You m ay check or unch eck the che ck box t o enable or disable the prot ection or detectio n for each type DoS attacks. Table 9.2. DoS Attac k Definition Field De ...
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Asus RX3141 - page 61
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 51 9.2.2.2 Config uring DoS Settings To configure Do S settings, follow the instructions below: 1. Open the Router Security configuration page as shown in Figure 9.1 by double clicking on Router Setup Î Security menu. 2. Check or uncheck individual ch eck box for each type DoS a ...
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Asus RX3141 - page 62
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 52 9.3 ACL Rule Configuration Parameters 9.3.1 ACL Rule Config uration Paramete rs Table 9.3 describe s the config uration pa ramet ers fire wall inb ound, out bound and sel f-access A CL ru les. Table 9.3. ACL Rule C onfiguratio n Param eters Field Description ID Add New Click o ...
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Asus RX3141 - page 63
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 53 Field Description Subnet This option al lows yo u to in clude all th e compute rs that a re conn ected i n an IP subnet. When t his option is sele cted, the fo llowing f ields bec ome available f or ent ry: Address Enter the app ropriate IP address. Mask Enter the correspondin ...
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Asus RX3141 - page 64
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 54 Field Description arbitrary source port number. Single This option allows you to apply th is rule to an applica tion with a specific source port number. Port Number Enter the source port number Range Select this op tion if y ou want this rule to apply to applicati ons with thi ...
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Asus RX3141 - page 65
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 55 9.4 Configuring Inbound ACL Rules By creating ACL rul es in I nbou nd ACL co nfigurati on page as show n in Figu re 9.2, y ou can control (allow o r deny) in coming a ccess to compute rs on your LA N. Options in th is configuration page allow you to: f Add a rule, and set para ...
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Asus RX3141 - page 66
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 56 Figure 9.3 i llust rates how to creat e a rule t o allo w inbound HTTP (i. e. web serve r) service. This rule allows inbound HTTP traffic to be directed to the hos t w/ IP address 192.168.1.28 . Note that the newly added in bound ACL rule is displa yed in the Existing In bound ...
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Asus RX3141 - page 67
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 57 9.4.4 Display Inbound ACL Rules To see existing inbound ACL rules , just open the Inbou nd ACL Rule config uration pag e by double clicking the Router Setup Î Inbound ACL menu. The exi sting i nbound A CL rules are displ ayed at the b ottom of t he configuratio n page. 9.5 Co ...
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Asus RX3141 - page 68
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 58 4. Assign a priority for this rule by selecting a number from the “ Move to ” drop-down list. Note that the number indicates t he priority of the rule with 1 being the highest. Higher priority rules will be examined prior to the lower priority rules by the firewa ll. 5. Se ...
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Asus RX3141 - page 69
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 59 2. Click on the icon of the rule to be modified in the outbound ACL table or select the rule nu mbe r from the “ ID ” drop-down list. 3. Make desired changes to any or all of the following fields: action, source/destination IP, source/destination port, protocol, ICMP mess ...
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Asus RX3141 - page 70
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 60 Figure 9 .8. Self-Access ACL Configuration Page 9.6.1 Add a Self-Access Rule To add a Self-Access ru le, follow the inst ructions bel ow: 1. Open the Self-Access Rule configuration page, as sho w n in Figure 9.8, by doubl e clickin g the Router Setup Î Self Access ACL menu. 2 ...
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Asus RX3141 - page 71
RX3141 User’s Manual Chapter 9. Configuring Firewa ll/NAT Sett ings 61 3. Make desired changes to any settings.. 4. Click on the button to save the changes. The new settings for thi s Self-Access rule will then be displayed in the Existing Self-Access ACL table located at the bottom half of the Self-Access ACL configuration pag e. 9.6.3 Delete a ...
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Asus RX3141 - page 72
Chapter 9. Configuring F irewall/NAT Sett ings RX3141 User’s Manual 62 Figure 9.11 Sample Firewall Log 9.7.1 Log Format Two types of log are suppo rted by the RX314 1 – system secu rity log and firewall ac cess control l og. They are designated by the two keywords, sys a nd fw respectively . The log format is best explai ned by examples: System ...
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Asus RX3141 - page 73
RX3141 User’s Manual Chapter 11. System M anagement 63 10 V irtual Sever and S pecial Application This chap ter describes th e configuration proc edures for: f Virt ual Server f Spe cial Application NAT is the technology used to supp ort the above applications . 10.1 NA T Overview Network Add ress Translation allows use of a s ingle device, such ...
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Asus RX3141 - page 74
Chapter 11. System M anagement RX3141 User’ s Manual 64 Figure 10 .2 Reverse NA PT – Relay ed Incoming Packe ts to the Inte rnal Host Ba se on the Protocol, Port Number or IP Address 10.1.2 Reverse NAPT / Virtual Server Reverse NAPT is also cal led inbound mappin g, port mapping, or vi rtual server. Any packet comin g to the RX3141 can be re la ...
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Asus RX3141 - page 75
RX3141 User’s Manual Chapter 11. System M anagement 65 Table 10.1. Virtual Server Configuration Parameters Setting Description Enable Select an applicatio n from the list of pre-configur ed application s. The corresponding protoc ol and the redirect port range will be automatically selected. Se lect “Manual Setting” if you want to configure t ...
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Asus RX3141 - page 76
Chapter 11. System M anagement RX3141 User’ s Manual 66 Application Service Port Numbers Netmeeting or VOIP 1503-1503 , 1720 (ALG) NEWS TCP 119-119 PC Anywhere TCP: 5631 PC Anywhere TCP: 5631, UDP: 5632 POP3 TCP 110-110 Powwow Chat 13223-13223 Red Alert II 1234-1237 SMTP TCP 25-25 Sudden Strike 2300-2400 TELNET TCP 23-23 Win VN C UDP 5800-5900 10 ...
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Asus RX3141 - page 77
RX3141 User’s Manual Chapter 11. System M anagement 67 5. For security concerns, the RX3141 denies all the access requests from the external users unl ess a proper inbound ACL rule is setup for each virtual server to allo w external users to access the internal servers set up in th e Virtual Serv er config uration page. For example, if you want t ...
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Asus RX3141 - page 78
Chapter 11. System M anagement RX3141 User’ s Manual 68 Setting Description Application Name The name ide ntifying the applicati on. Outgoing (Trigg er) Port Range The port range this application uses when it sen ds outbound packets. T he outgoing p ort numbe rs act a s the trig ger. When t he router d etects th e outgoing packets with these port ...
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Asus RX3141 - page 79
RX3141 User’s Manual Chapter 11. System M anagement 69 Following de scribes the pr ocedure to setup a spe cial applicati on for Quick Tim e. 1. Open the Special Application co nfiguration page, as shown in Fi gure 10.5, by double clic king the Advanced Î Special Application menu. 2. Select Quick Time from the Enable drop-down list and the check ...
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Asus RX3141 - page 80
Chapter 11. System M anagement RX3141 User’ s Manual 70 11 System Management This cha pter describes the followin g administra tive tasks that you can pe rform u sing the Co nfigura tion Manager: f Modify password and syst em-wide setting s f View system i nformation f Modify system date and time f Reset syste m configurat ion f Reboot system f U ...
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Asus RX3141 - page 81
RX3141 User’s Manual Chapter 11. System M anagement 71 System Admini stratio n configurati on page, as sho wn in Figure 11.1, al lows you to chang e login password and other global settin gs for RX3141. Follow the steps below to change password and/o r system-wide settings : 1. Open the System Administration configuration page, as shown in Figure ...
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Asus RX3141 - page 82
Chapter 11. System M anagement RX3141 User’ s Manual 72 11.2 Viewing System Information System Info rmation pa ge displ ays whenev er you log in t o RX3141. I t cont ains i nformation f or t he overal l system settings. Figure 11.2 . System Status Page ...
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Asus RX3141 - page 83
RX3141 User’s Manual Chapter 11. System M anagement 73 11.3 Setup Date and T ime RX3141 keeps a record o f the curren t date and time , which it uses to calculate and report var ious data. However, there is no real time clock inside RX 3141; RX3141 relies on exter nal time s ervers to main tain correct time. RX3141 allows y ou to configure up to ...
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Asus RX3141 - page 84
Chapter 11. System M anagement RX3141 User’ s Manual 74 11.3.1 View the Syst em Date and Time To view the up dated system da te and time, log into Configur ation Manager, click th e Router Setup Î Timezone menu. Note that t he sy stem will go ba ck to the d efault tim e, 1/1/2 000 00:0 0:00, if S NTP servi ce is not enabled or n one of the confi ...
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Asus RX3141 - page 85
RX3141 User’s Manual Chapter 11. System M anagement 75 5. RX3141 will then reboot thereafter to make the factory default configuration in effect. Note a count down timer such as the one shown in Figure 11.6 will display to i ndicate when the reboot process will be completed. Figure 11.6. Facto ry Reset Count Down Timer 11.4.2 Reset to Factory Def ...
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Asus RX3141 - page 86
Chapter 11. System M anagement RX3141 User’ s Manual 76 2. In the Firmware text box, enter the path and nam e of the firmware image file. Alternatively, you may click on button to open a file manager to search for the firmware imag e on your computer. Figure 11.8. File Manager 3. Click on button to update the firmware. A dialog window, such as th ...
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Asus RX3141 - page 87
RX3141 User’s Manual Chapter 11. System M anagement 77 5. A count down timer will disp lay, as shown in Figure 11.11, after the firmware upgrade is completed. You’ll be reconnecte d back to RX3141 when the counter returns to zero. You may need to manually connect back to the RX 3141 if you are not connected ba ck to RX3141 automatically. Figure ...
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Asus RX3141 - page 88
Chapter 11. System M anagement RX3141 User’ s Manual 78 11.6 System Reboot 1. Open the System reboot page, as shown in Figure 11.12, by double clicking the Management Î Reboot menu. 2. Click on the button in the reboot the system. Figure 11.12. System Reb oot Page 3. A dialog window will popup, as illust rated in Figure 11 .13. Click on the butt ...
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Asus RX3141 - page 89
RX3141 User’s Manual Chapter 11. System M anagement 79 11.7 . System Configuration Management 11.7.1 Backup System Configuration Follow the s teps below to back up system configura tion: 1. Open the System Configurati on Backup/Restore page, as illustrated in Fi gure 11.15, by double clicking the Management Î Backup/Restore menu. Figure 11.15. S ...
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Asus RX3141 - page 90
Chapter 11. System M anagement RX3141 User’ s Manual 80 5. Enter the desired filename for the backup configur ation file as illustrated in Figure 11.17and click on the button to continue. Figure 11.17. System Configuration Backup Page – Save As D ialog 6. Finally, a message, as shown in Figure 11.18, will display to le t you know whether the sy ...
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Asus RX3141 - page 91
RX3141 User’s Manual Chapter 11. System M anagement 81 11.7.2 Restore Syst em Configuration Follow the s teps below to back up system configura tion: 1. Open the System Configuration Backup/Restore configuration page by double clicking the Management Î Backup/Restore menu. 2. Enter the path and filename of the system configuration file that y ou ...
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Asus RX3141 - page 92
Chapter 11. System M anagement RX3141 User’ s Manual 82 3. Click on button to restore the sy stem configuration. 4. A message will pop up, as illustrated in Figure 11.21, to let you know whether the system configuration is successfull y restored. Note t hat you must reboot the RX3141 to make the new system configuration in effect. Figure 11 .21. ...
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Asus RX3141 - page 93
RX3141 User’s Manual Chapter 12. IP Ad dresses, Network Masks, an d Subnets 83 12 IP Addresses, Network Masks, and Subnets 12.1 IP Addresses Note This sectio n pertains only to IP addres ses for IPv4 (versi on 4 of the Internet Proto col). IPv6 addr esses are not covere d. This sectio n assumes basi c knowledge of bina ry numbers, bit s, and byte ...
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Asus RX3141 - page 94
Chapter 12. IP Addresses, Ne twork Masks, an d Subnets RX3141 User’ s Manual 84 12.2 Network classes The three common ly used network cl asses are A, B, and C. (There is al so a class D but it has a special use beyond the scope of this discussion.) These classes have different uses and char acteristics. Class A net works are the I nternet' s ...
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Asus RX3141 - page 95
RX3141 User’s Manual Chapter 12. IP Ad dresses, Network Masks, an d Subnets 85 12.3 Subnet masks Definition mask A mask looks like a regular IP a ddress, but contains a pattern of bits that tel ls what p arts of an I P addre ss are the n etwork I D and what parts are the host I D: bits set to 1 mean "t his bit is part of th e network ID" ...
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Asus RX3141 - page 96
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Asus RX3141 - page 97
RX3141 User’s Manual Appendix 87 13 T roubleshooting This appendix su ggests solutions for problems you may encounter in installing or using the RX3141 , and provides inst ruction s for usi ng several I P util ities to di agnose problems. Contact Customer Support if these suggestions do not resolve the problem. Problem Troubleshooting Sugge stion ...
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Asus RX3141 - page 98
Appendix RX3141 User’s Manual 88 Problem Troubleshooting Sugge stion PCs cannot display web pages on the Internet. Verify that the DNS server specified on the PCs i s correct fo r your ISP, as discu ssed in th e item ab ove. You can use t he ping utility, discussed in the foll owing section, t o test conn ectivity wit h your ISP’s DNS server. C ...
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Asus RX3141 - page 99
RX3141 User’s Manual Appendix 89 Figure 13.1. Using the ping Utility If the target computer cannot be located, you will receive the message “Request timed out.” Using the pi ng comma nd, you can t est wh ether the path to th e RX3 141 is working (using t he pre configu red default LAN IP address 192.168.1.1) or another address you assigned. Y ...
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Asus RX3141 - page 100
Appendix RX3141 User’s Manual 90 Figure 13.2. Using the nslookup Ut ility There ma y be several addresses associated with an Internet name. This is common for web sites that receive heavy traffic; t hey use m ultiple, redun dant server s to carry t he same i nformati on. To exit from th e nslookup utility, typ e exit and press <Enter> at th ...
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Asus RX3141 - page 101
RX3141 User’s Manual Appendix. 91 14 Index Computer s configuring IP inf ormation, 10 Configuration Man ager overview, 17 troubleshooting , 106 Connectors rear pane l, 6 Date and time, chang ing, 88 Default configuratio n, 16 Default gateway, 43 DHCP defined, 39 DHCP Address Table p age, 40 DHCP client defined, 39 DHCP Lease Table pa ge, 42 DHCP ...
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Asus RX3141 - page 102
Appendix 14. Index RX3141 User’s Manual 92 defined, 75 NAPT, 75 Overload , 75 PAT, 75 Reverse NAPT, 76 Virtual Se rver, 76 Navigating, 18 Netmask . See Netw ork mask Network c lasses, 101 Network ID, 101 Network interface card, 1 Network mask, 102 Notational conven tions, 1 nslookup, 107 Outbound A CL Co nfigurati on page, 65 Packet filtering, 53 ...
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