Chapter 12 Firewall
B222s User’s Guide
111
12.5 The DoS Screen
Click Security > Firewall > DoS to display the following screen. Use this screen to enable or
disable Denial of Service (DoS) protection.
Figure 65
Security > Firewall > DoS
Destination IP
Address Start
Enter an IP address or the starting IP address of the destination IP range.
Destination IP
Address End
Enter the ending IP address of the destination IP range.
Select Protocol
Select the name of a configured service or select Select Service to define a new service
in this screen.
Protocol
This field is available when you select Select Service in Select Protocol.
Choose the protocol type (TCP, UDP, ICMP or Others) of the service.
Protocol Number
This field is available when you select Others in Protocol.
Enter the protocol number of the service type to which this ACL rule applies.
Source Port
This field is displayed only when you select Select Service in Select Protocol and TCP
or UDP in Protocol.
Select Single or Range and then enter a single port number or the range of port
numbers of the source. Select Any to indicate any source port.
Destination Port
This field is displayed only when you select Select Service in Select Protocol and TCP
or UDP in Protocol.
Select Single or Range and then enter a single port number or the range of port
numbers of the destination. Select Any to indicate any destination port.
Policy
Use the drop-down list box to select whether to silently discard (DROP), deny and send
an ICMP destination-unreachable message to the sender of (REJECT) or allow the
passage of (PERMIT) packets that match this rule.
Direction
Use the drop-down list box to select the direction of traffic to which this rule applies. The
possible options are LAN to DEVICE, LAN to WAN, WAN to LAN, and WAN to
DEVICE.
Apply
Click Apply to save your changes.
Back
Click Back to exit this screen without saving your changes.
Table 44
Security > Firewall > Access Control > Add New ACL Rule/Edit (continued)
LABEL
DESCRIPTION
Summary of Contents for B222s
Page 4: ...Contents Overview B222s User s Guide 4 ...
Page 12: ...Table of Contents B222s User s Guide 12 ...
Page 13: ...13 PART I User s Guide ...
Page 14: ...14 ...
Page 28: ...28 ...
Page 78: ...Chapter 7 Routing B222s User s Guide 78 ...
Page 82: ...Chapter 8 DNS Route B222s User s Guide 82 ...
Page 102: ...Chapter 10 Network Address Translation NAT B222s User s Guide 102 ...
Page 114: ...Chapter 12 Firewall B222s User s Guide 114 ...
Page 120: ...Chapter 14 Parental Control B222s User s Guide 120 ...
Page 125: ...Chapter 15 VoIP B222s User s Guide 125 ...
Page 144: ...Chapter 15 VoIP B222s User s Guide 144 ...
Page 154: ...Chapter 17 Traffic Status B222s User s Guide 154 ...
Page 156: ...Chapter 18 User Account B222s User s Guide 156 ...
Page 170: ...Chapter 24 Backup Restore B222s User s Guide 170 ...
Page 172: ...Chapter 25 Diagnostic B222s User s Guide 172 ...
Page 218: ...Appendix B Setting Up Your Computer s IP Address B222s User s Guide 218 ...
Page 228: ...Appendix C Pop up Windows JavaScript and Java Permissions B222s User s Guide 228 ...
Page 252: ...Appendix E Common Services B222s User s Guide 252 ...