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16.4 Relay SMTP server
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UPnP also enables the application to open ports for a requested period. Here the
Port mapping timeout parameter also represents a maximal time period that the
port will be available to an application (even if the application demands a longer
period, the period is automatically reduced to this value).
Log packets
If this option is enabled, all packets passing through ports mapped with UPnP will
be recorded in the Security log (see chapter 20.11)).
Log connections
If this option is enabled, all packets passing through ports mapped with UPnP will
be recorded in the Connection log (see chapter 20.5).
Warning: Apart from the fact that UPnP is a useful feature, it may also endanger net-
work security, especially in case of networks with many users where the firewall could
be controlled by too many users. A WinRoute administrator should consider carefully
whether to prefer security or functionality of applications that require UPnP.
Using traffic policy (see chapter 6.3) you can limit usage of UPnP and enable it to certain
IP addresses or certain users only.
Example:
Figure 16.5 Traffic rules allowing UPnP for specific hosts
The first rule allows UPnP only from UPnP Clients IP group. The second rule denies UPnP
from other hosts (IP addresses).
16.4 Relay SMTP server
WinRoute provides a function which enables notification to users or/and administrators
by email alerts. These alert messages can be sent upon various events, for example when
a virus is detected (see chapter 11.3), when a Peer-to-Peer network is detected (refer to
chapter 15.1), when an alert function is set for certain events (details in chapter 13.1) or
upon reception of an alert (see chapter 17.3).
For this purpose, WinRoute needs an SMTP Relay Server. This server is used for forward-
ing of infected messages to a specified address.
Note: WinRoute does not provided any built-in SMTP server.
To configure an SMTP server, go to the SMTP server tab in Configuration → Advanced
Options.