ZyXEL Communications EX3510-B1, Руководство пользователя

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Chapter 16 Firewall
EX3510-B1 User’s Guide
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The following table describes the labels in this screen.
16.4 Access Control
Click Security > Firewall > Access Control to display the following screen. An Access Control List (ACL)
rule is a manually-defined rule that can accept, reject, or drop incoming or outgoing packets from your
network. This screen displays a list of the configured incoming or outgoing filtering rules.
Figure 127 Security > Firewall > Access Control
The following table describes the labels in this screen.
Table 80 Security > Firewall > Protocol: Add/Edit
LABEL DESCRIPTION
Service Name Enter a unique name (up to 32 printable English keyboard characters, including spaces) for your
customized port.
Description Enter a description for your customized port.
Protocol Choose the IP protocol ( TCP , UDP , ICMP , ICMPv6 , or Other ) that defines your customized port
from the drop-down list box. Select Other to be able to enter a protocol number.
Protocol
Number This field is displayed if you select Other as the protocol.
Enter the protocol number of your customized port.
Source Port This field is displayed if you select either the TCP or UDP protocol. You may set it to Any , Single , or
Range and enter the Port Number or range of Port Numbers for your source port.
Destination Port This field is displayed if you select either the TCP or UDP protocol. You may set it to Any , Single , or
Range and enter the Port Number or range of Port Numbers for your destination port.
ICMPv6type This field is displayed if you select the ICMPv6 protocol. From the drop-down menu, select which
type value you would like to use.
Cancel Click Cancel to exit this screen without saving any changes.
OK Click OK to save your changes.
Table 81 Security > Firewall > Access Control
LABEL DESCRIPTION
Add New ACL
Rule Click this to add a filter rule for incoming or outgoing IP traffic.
# This is the index number of the entry.
Status The yellow bulb signifies that the Access Control List rule is active.
Name This displays the name of the rule.
Src IP This displays the source IP addresses to which this rule applies. Please note that a blank source
address is equivalent to
Any .
Dst IP This displays the destination IP addresses to which this rule applies. Please note that a blank
destination address is equivalent to
Any .