Siemens SINAUT MD740-1 User Manual page 29

Firewall # # # # Outgoing
SINAUT MD740-1
This lists the fixed firewall rules. These apply to outgoing data
packets which belong to GPRS connections initiated by the
SINAUT MD740-1 to communicate with a remote site.
!
If no rule is set, all outgoing connections are prohibited (except
VPN).
!
Default setting: outgoing connections prohibited (except VPN
and connections to the integrated website which provides
information about devices and connection data).
Deleting a rule
Click on Delete next to the entry concerned. Then click on OK
or Apply.
Setting a new rule
If you want to set a new rule, click on New.
Set the required rule (see below), then click on OK or Apply.
You receive a system message as confirmation.
You can make the following possible entries:
Protocol: All means: TCP, UDP, ICMP and others.
IP address: 0.0.0.0/0 means all addresses. To denote a range, use
CIDR syntax - see CIDR (Classless InterDomain Routing), page
79.
Port:
(is only evaluated with TCP and UDP protocols)
any means any port.
startport:endport (e.g. 110:120) denotes the port area.
Individual ports can be entered either with the port number or with
the corresponding service name: (e.g. 110 for pop3 or pop3 for
110).
Action:
Accept means that the data packets may pass.
Refuse means that the data packets are turned away so that the
Configuration
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