Zyxel-communications 5 Series Manual do Utilizador descarregar pdf (Página 245)

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ZyWALL 5/35/70 Series User’s Guide

Chapter 11 Firewall 245

11.14 My Service Firewall Rule Example

The following Internet firewall rule example allows a hypothetical My Service connection

from the Internet.

1 In the Service screen, click Add to open the Edit Custom Service screen.

Figure 124 My Service Firewall Rule Example: Service

2 Configure it as follows and click Apply.

Port Range Enter the port number (from 1 to 255) that defines the customized service

To specify one port only, enter the port number in the From field and enter it

again in the To field.

To specify a span of ports, enter the first port in the From field and enter the last

port in the To field.

Type/Code This field is available only when you select ICMP in the IP Protocol field.

The ICMP messages are identified by their types and in some cases codes.

Enter the type number in the Type field and select the Code radio button and

enter the code number if any.

Apply Click Apply to save your customized settings and exit this screen.

Cancel Click Cancel to exit this screen without saving.

Table 73 SECURITY > FIREWALL > Service > Add (continued)

LABEL DESCRIPTION

1 2 ... 240 241 242 243 244 245 246 247 248 249 250 ... 834 835

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