Actiontec electronic MI408 Security Level Incoming traffic Network outgoing traffic, Permitted

Actiontec Broadband Router User Manual

Note that it is the origin of the request, not subsequent responses to this request, which determines whether a session can be established or not.

The Router features three pre-defined security levels: Minimum, Typical, and Maximum. The table below summarizes the behavior of the Router for each of the three security levels.

	Requests from the Internet	Requests from the local
Security Level	(incoming traffic)	network (outgoing traffic)
	Blocked - No access to local	Limited - Only commonly
Maximum	network from Internet,	used services, such as web
	except as configured in the	browsing and E-mail, are
Security
	Port Forwarding, DMZ host,	permitted.
	and Remote Access screens.
	Blocked - No access to local	Unrestricted - All services
	network from Internet,	are permitted, except as
Typical Security	except as configured in the	configured in the Access
	Port Forwarding, DMZ host,	Control screen.
	and Remote Access screens.
	Unrestricted - Permits full	Unrestricted - All services
Minimum	access from Internet to local	are permitted, except as
Security	network; all connection	configured in the Access
	attempts permitted.	Control screen.

These services include Telnet, FTP, HTTP, HTTPS, DNS, IMAP, POP3 and SMTP.

☞Note: Some applications (such as some Internet messengers and Peer-To-Peer client applications) tend to use these ports if they cannot connect with their own default ports. When applying this behavior, these applications will not be blocked outbound, even at the Maximum Security level.

To configure the Router’s security settings:

1.From the General screen, select a security level by clicking the appropriate radio button. Using the Minimum Security setting may expose the local network to significant security risks, and thus should only be used for short periods of time.

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