Compatible Systems MicroRouter 1200i Bedienungsanleitung Seite 25
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4.12
Setting up redirects (port forwarding)
Port forwarding and addresses redirection allows for access of computers of local network for
users of the external network. Redirection is the combination of an incoming address (Incoming IP
Address and incoming port (Port) to the addresses on the LAN (Target IP Address/Port).
Port forwarding is set with a list of rules that you can add and edit using the form available on the
table and the Port Forwarding tab.
In this example, web server set up on the local network at 192.168.0.45 is available on the external
network, also known as a Web server, only globally accessible address 83.15.39.82. Router forwards
packets addressed to him (83.15.39.82) that come to port 80 to the web server on your local network,
then transmits a response
Of course, that the operation was successful, the router interface should be assigned to the incoming
address "83.15.39.82".
4.13
Configuring the Firewall
Firewall is designed to block unwanted traffic packages. GUI allows the blocking of packets
addressed to the router, and packets that the router is to redirect. Blocking packets is achieved by
Linux iptables tool. Blocking packets passing through a router configure the firewall using a tab
Firewall/Forward. Blocking packets addressed to the router configure using tab Firewall/Input.
4.13.1 Blocking packets passing through a router
After entering the tab Firewall/Forward, we can determine what kind of packages can freely
pass through the router, which should be blocked.
At the beginning we define one of the strategies for packet transmission: all pass, and the selected
block, or at first glance more restrictive: block all, transmits selected. Strategies for choosing the field
value is defined: Firewall Forward Chain default policy. Selecting Accept means that packages that
are not caught by the rules of the Firewall (…) default Policy option will be passed through. Selecting
Deny option will see that if the package does not meet any of the criteria set out in the table of rules to
block/transmission package - the package is stopped.
Table of rules to block/transmit packets edit like any other table by adding/editing lines with a
green form of editing and watching the results of his work at the bottom of the page. The difference
between this table and the majority of the table configuration is that it is important in this sequence
of rows.
Each row defines the criteria package. Each package, before it is passed on through a router, you
must first be matched to the criteria in different rows of the table, from the first row at the top, the last
at the bottom. In addition to the criteria in each row is entered in the rule to be applied to the package
that meets the specified criteria. The first line, which meets the criteria that are analyzed in the
package - will include a rule that is applied to the package.
- MultiLink Router 1
- MicroRouter 1
- Introduction 4
- Devices Configuration 5
- 4 Graphical User Interface 8
- /usr/local/checkconf fix 9
- 4.3.1 Buton „Submit” 10
- 4.3.4 Forms to enter setup 10
- General Router Settings 11
- E1/G.704 13
- 4.6.3 WLAN Configuration 15
- 4.7.2 Configuring a Network 18
- 4.7.4 PPPoE Option 20
- Configuring Modems 21
- (load balancing) 22
- 4.10.2 Complex gateway 23
- Configuring Routing 24
- Configuring the Firewall 25
- Statistics 30
- Hourly Statistics 30
- User Statistics 30
- Tab Configuration Script 30
- Software Update GUI 32
- If you select the message N 33
- Backup and Restore Features 35
- 7 Sample configurations 36
- Transitive router 41
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