Chapter 5
Setup and Configuration
RUGGEDCOM ROX II
User Guide
374
Configuring the Firewall for a VPN in a DMZ
NOTE
The VPN host must be specified before the network host so the more specific VPN zone subnet
can be inspected first.
Table: Example
Host
Interface
Subnet
IPsec Zone
vpn
W1ppp
192.168.1.0/24
Yes
net
W1ppp
0.0.0.0/0
No
10. Configure rules with the following parameter settings for the UDP, Authentication Header (AH) and
Encapsulation Security Payload (ESP) protocols:
NOTE
The IPsec protocol operates on UDP port 500, using protocols Authentication Header (AH) and
Encapsulation Security Payload (ESP) protocols. The firewall must be configured to accept this
traffic in order to allow the IPsec protocol.
Table: Example
Action
Source-Zone
Destination-Zone
Protocol
Dest-Port
Accept
net
fw
ah
—
Accept
net
fw
esp
—
Accept
net
fw
udp
500
For more information about configuring rules, refer to
Section 5.17.14, “Managing Rules”
11. Configure the following rule to allow traffic from openswan, the IPsec daemon, to enter the firewall:
NOTE
IPsec traffic arriving at the firewall is directed to openswan, the IPsec daemon. Openswan
decrypts the traffic and then forwards it back to the firewall on the same interface that originally
received it. A rule is required to allow traffic to enter the firewall from this interface.
Table: Example
Action
Source-Zone
Destination-Zone
Protocol
Dest-Port
Accept
vpn
loc
—
—
For more information about configuring rules, refer to
Section 5.17.14, “Managing Rules”
Section 5.17.7
Configuring the Firewall for a VPN in a DMZ
When the firewall needs to pass VPN traffic through to another device, such as a VPN device in a Demilitarized
Zone (DMZ), then a DMZ zone and special rules are required.
To configure the firewall for a VPN in a DMZ, do the following:
1. Click
Tools
on the toolbar followed by
CLI
. The CLI terminal window appears.
Содержание RUGGEDCOM RX1510
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Страница 62: ...RUGGEDCOM ROX II User Guide Chapter 2 Using ROX II Using the Command Line Interface 30 ...
Страница 268: ...RUGGEDCOM ROX II User Guide Chapter 4 System Administration Deleting a Scheduled Job 236 ...
Страница 852: ...RUGGEDCOM ROX II User Guide Chapter 5 Setup and Configuration Enabling Disabling an LDP Interface 820 ...