3Com OfficeConnect 3CP4144 Guida all'installazione

How to setup HTTP Filtering to prevent Denial-of-Service Attacks on the

OfficeConnect Remote 812 Router

By default, the OCR 812 Web Configuration interface is accessed from the LAN interface as well as the WAN interface.

The following procedure describes how to configure a filter that prohibits access to the built-in HTTP server and the

Web Configuration interface from the WAN interface.

This filter will prevent all access to TCP and UDP port 80 from the WAN interface to the OCR 812. The Web

Configurator, however, will still be available to users on the local LAN interface for managing the unit.

Step 1:

Using a workstation on the local area network. Launch your web browser. On the

Address bar, enter the IP address of the Router. You will be prompted for the user-

name and password for the unit. (Figure 1)

After logging into the unit, the OfficeConnect Remote 812 Manager screen is dis-

played.(Figure 2)

Figure 1

Figure 2

Step 2:

Click on Configuration to enter the Configuration Screen.(Figure 3) At the bottom of the Configuration Screen is the

Filter Configuration section. Click on Setup Filters to enter the Setup procedure.(Figure 4)

Step 3:

To create a filter to block access for all remote sites, select the “From all Remote Sites” checkbox and click Next. On the

next screen click Create Filter. you will be presented with the Filter Protocol screen in Figure 5.

Figure 3

Figure 4

Step 4:

Give your filter a meaningful name that identifies what the filter is doing (Figure 5). You also need to select “Advanced

IP”in the Filter type options. Click Next.

Step 5:

On the next screen (Figure 6), you create the first filter rule: Select the TCP protocol, and set the Destination port to 80.

Click Next. On the Condition Summary Screen, click Add, and repeat this step for the second filter rule by selecting

the UDP protocol, and setting the destination port 80.

Figure 5

Figure 6

Step 6:

The following screen is the Summary screen with both Filter Rules in place. Your screen should look very similar to

Figure 7. Click on Save Filter.

Step 7:

Save your configuration. Now the Web Configuration interface is only accessible users on the LAN interface, and you

are protected from Denial of Service attacks on the built-in web server.

Figure 7

Altri manuali per OfficeConnect 3CP4144

Questo manuale è adatto per i seguenti modelli

Indice

Altri manuali 3Com Router di rete

3Com

3Com Switch 4800G 24-Port Manuale utente

3Com

3Com 3C13886 - Router OC-3 ATM SML Flexible Interface... Manuale utente

3Com

3Com Router 5000 Series Manuale utente

3Com

3Com Router 3012 Manuale di istruzioni

3Com

3Com 3CR860-95 - OfficeConnect Secure Router Manuale utente

3Com

3Com 3CNJ205 Manuale utente

3Com

3Com NJ95 Network Jack Manuale utente

3Com

3Com 3CBLUF26 Manuale utente

3Com

3Com 3C13618 Manuale operativo

3Com

3Com OfficeConnect WL-537 Manuale utente

3Com

3Com OfficeConnect 3CR858-91 Manuale utente

3Com

3Com OfficeConnect Remote 812 Manuale utente

3Com

3Com Router 6040 Manuale utente

3Com

3Com OfficeConnect 3CRWDR200A-75 Manuale utente

3Com

3Com NJ220 - IntelliJack Switch Manuale utente

3Com

3Com SuperStack II Switch 9300 Manuale utente

3Com

3Com 3C13886 - Router OC-3 ATM SML Flexible Interface... Manuale utente

3Com

3Com OfficeConnect 3CR414492 Manuale utente

3Com

3Com WL-603 Manuale utente

3Com

3Com 3CWE820A Manuale utente

3Com

3Com 3C8567 - SuperStack II NETBuilder SI 567... Manuale utente

3Com

3Com 400 Family Manuale utente

3Com

3Com SuperStack II 32x Manuale utente

3Com

3Com OfficeConnect Ethernet Hub 16C Manuale utente

Manuali Router di rete popolari di altre marche

Allnet

Allnet ALL0333AU Manuale utente

HomeSeer

HomeSeer HT-SEL Manuale utente

Sercomm

Sercomm Genesis OC3505D Manuale utente

Billion

Billion BIPAC 5102 Series Manuale utente

TP-Link

TP-Link TD-8817 Manuale utente

Motorola

Motorola MR1900 Manuale utente

Digi

Digi IX14 Manuale utente

Cisco

Cisco NCS 540 Manuale

XAVi

XAVi X8821e Manuale utente

BEC

BEC 6200WZL Manuale utente

MikroTik

MikroTik hAP ac3 Series Manuale utente

Korenix

Korenix JetNet 5428G Series Manuale utente

NETGEAR

NETGEAR FS526T - Switch Manuale utente

Korenix

Korenix JetNet 5710G Series Manuale utente

Automated Logic

Automated Logic ZN551 Manuale del proprietario

Cisco

Cisco ASR 1000 Series Manuale dell'operatore

EnGenius

EnGenius ESR-9710 Manuale utente

Cisco

Cisco 805 Series Istruzioni operative e di sicurezza