SMCBR21VPN

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Detect Land Attack: Some Systems may shut down when receiving packets with the same source and destination addresses, the same source port and destination port, and when SYN on the TCP header is marked. Enable this function to detect such abnormal packets. After System Manager enable External Alert, if the SMC BR21VPN has detected any abnormal situation, the alarm message will appear in External Alarm in Attack Alarm. And if the system manager starts the E-mail Alert Notification in Settings, the device will send e-mail to alarm the system manager automatically. 197
Internet Alert SMC BR21VPN Alarm and to prevent the computer which being attacked to send DDoS packets to LAN network STEP 1.Select Anomaly Flow IP in Setting and enter the following settings: Enter The threshold sessions of infected Blaster (per Source IP) (the default value is 30 Sessions/Sec) Select Enable Blaster Blocking and enter the Blocking Time (the default time is 60 seconds) Select Enable E-Mail Alert Notification Select Enable NetBIOS Alert Notification IP Address of Administrator: Enter 192.168.1.10 Click OK Internal Alert Setting is completed. (Figure16-1) Figure16-1 Internal Alert Settings 198
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Barricade Dual WAN Port Load Balanc
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LIMITED WARRANTY Limited Warranty S
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CONSEQUENTIAL DAMAGES FOR CONSUMER
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RFI Emission: • Limit class A acc
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Veuillez lire à fond l’informati
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Warnings and Cautionary Messages Wa
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Audience The guide is intended for
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CHAPTER 8 AUTHENTICATION ..........
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Chapter 1 Administrator Administrat
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Admin Adding a new Sub Administrato
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Add Remote Management IPs STEP 1.Ad
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Software Update STEP 1.Select Softw
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Define the required fields of Setti
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NAT Mode: It allows Internal Netwo
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Setting System Settings- Exporting
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Restoring Factory Default Settings
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Enabling E-mail Alert Notification
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Date / Time Date/Time Settings STEP
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Adding Multiple Subnet Add the foll
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Route Table To connect two differen
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STEP 3.Enter the following setting
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DHCP STEP 1.Select DHCP in System a
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DDNS Dynamic DNS Settings STEP 1.Se
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Host Table STEP 1.Select Host Table
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Chapter 3 Interface Interface In th
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Connect Mode: Display the current
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We set up four Interface Address ex
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WAN Setting WAN Interface Address S
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STEP 3.Select the Connecting way:
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Dynamic IP Address (Cable Modem Use
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Static IP Address (Figure3-9) 1. Se
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DMZ Setting DMZ Interface Address (
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Chapter 4 Address Address The SMC B
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We set up two Address examples in t
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STEP 2.Adding the following setting
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Setup a policy that only allows par
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STEP 3.Enter the following settings
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Chapter 5 Service Service TCP and U
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Define the required fields of Servi
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Custom Allow external user to commu
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Under general circumstances, the ra
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Group Setting service group and res
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STEP 2.In LAN Group of Address func
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Example To configure the valid time
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Chapter 7 QOS QoS By configuring th
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Define the required fields of QoS W
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Example Setting a policy that can r
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Chapter 8 Authentication Authentica
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When the user connect to external n
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Auth-User Name: The user account f
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Example Setting specific users to c
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STEP 3.Add a policy in Outgoing Pol
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Chapter 9 Content Blocking Content
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Sub-name file Blocking: Prevent us
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URL Restrict the Internal Users onl
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STEP 2.Add a Outgoing Policy and us
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STEP 2.Add a new Outgoing Policy an
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STEP 2.Add a new Outgoing Policy an
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Step2. In Policy Outgoing, add one
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Chapter 10 Virtual Server Virtual S
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Define the required fields of Virtu
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Example Make a single server that p
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STEP 7.Complete the setting of prov
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STEP 2.Enter the following data in
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The external user use VoIP to conne
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STEP 5.Add a new Incoming Policy, w
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Make several servers that provide s
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STEP 4.Enter the following data in
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STEP 7.Complete the setting of prov
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Define the required fields of VPN:
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Define the required fields of IPSec
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Define the required fields of PPTP
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We set up two VPN examples in this
Page 147 and 148: STEP 4.Select Preshare in Authentic
Page 149 and 150: STEP 9.Enter the following setting
Page 153 and 154: STEP 4.Select Remote Gateway-Fixed
Page 159 and 160: Setting PPTP VPN connection between
Page 161 and 162: STEP 2.Add the following settings i
Page 165 and 166: The Default Gateway of Company B is
Page 169 and 170: STEP 5.Complete PPTP VPN Connection
Page 171 and 172: (4) LAN to DMZ: The source IP is in
Page 173 and 174: Option: To display if every functi
Page 175 and 176: We set up six Policy examples in th
Page 177 and 178: STEP 2.Complete the setting of Logg
Page 179 and 180: Forbid the users to access to speci
Page 181 and 182: STEP 2.Enter as following in WAN an
Page 187 and 188: STEP 3.Enter the following in Incom
Page 189 and 190: STEP 4.Enter the following in WAN t
Page 193 and 194: STEP 8.Add the following setting in
Page 195 and 196: Define the required fields of Hacke
Page 197: Detect Ping of Death Attack: Selec
Page 201 and 202: Figure16-4 NetBIOS Alert Notificati
Page 203 and 204: Chapter 14 Attack Alarm Attack Alar
Page 205 and 206: Internal Alarm To record the DDoS a
Page 207 and 208: STEP 2.When Hacker attacks the SMC
Page 209 and 210: We set up four LOG examples in the
Page 211 and 212: STEP 3.Click Traffic Log. It will s
Page 213 and 214: STEP 5.Click on Download Logs and s
Page 215 and 216: Event Log To record the detailed ma
Page 217 and 218: STEP 3.Click Clear Logs and click O
Page 219 and 220: STEP 2.Click on Download Logs and s
Page 221 and 222: Log Backup To save or receive the r
Page 223 and 224: Chapter 16 Accounting Report Accoun
Page 225 and 226: Inbound Accounting Report It is the
Page 227 and 228: Figure19-1 Outbound Source IP Stati
Page 229 and 230: Figure19-2 Outbound Destination IP
Page 231 and 232: Accounting Report. 230
Page 233 and 234: Inbound STEP 1.Enter Inbound in Acc
Page 235 and 236: Enter Inbound in Accounting Report
Page 237 and 238: STEP 2.Enter Inbound in Accounting
Page 239 and 240: Chapter 17 Statistics Statistics WA
Page 241 and 242: WAN Statistics STEP 1.Enter WAN in
Page 243 and 244: Policy Statistics STEP 1.If you had
Page 245 and 246: Chapter 18 Status Status The users
Page 247 and 248: Figure21-1 Interface Status 246
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ARP Table STEP 1.Enter ARP Table in
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20 Mason • Irvine, CA 92618 • P
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