Access Rules - SMC Networks SMC Barricade SMCBR24Q User Manual

Remote Management
This Router supports remote management. If you want to manage this Router through the WAN connection,
you have to 'Enable' this option. User can enter the port number for remote management.
Multicast Pass Through
IP Multicasting occurs when a single data transmission is sent to multiple recipients at the same time. Using
this feature, the Router allows IP multicast packets to be forwarded to the appropriate computers.
MTU (Maximum Transmission Unit)
This feature specifies the largest packet size permitted for network transmission. It is recommended that
you enable this feature. Default of MTU size is 1500 bytes.
For more information, click the Help button. Click the Save Settings button to save the General settings or
click the Cancel button to undo the changes

Access Rules

Network Access Rules evaluate network traffic's Source IP address, Destination IP address, and IP protocol
type to decide if the IP traffic will be allowed to pass through the firewall.
The ability to define Network Access Rules is a very powerful tool. Using custom rules, it is possible to
disable all firewall protection or block all access to the Internet. Use extreme caution when creating or
deleting Network Access Rules.
SMCBR24Q has the following Default Rules.
* All traffic from the LAN to the WAN is allowed.
* All traffic from the WAN to the LAN is denied.
Custom rules can be created to override the above SMCBR24Q default rules, but there are four additional
default rules that will always be active, and custom rule can not override these four rules.
* HTTP service from LAN side to SMCBR24Q is always allowed.
* DHCP service from LAN side is always allowed.
* DNS service from LAN side is always allowed.
* Ping service from LAN side to SMCBR24Q is always allowed.
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SMCBR24Q User Manual