OPNsense Grundkonfiguration

System: Settings: Administration

(x)  Enable HTTP Strict Transport Security                  
TCP port 4444
(x) Disable web GUI redirect rule             
(x) Disable DNS Rebinding Checks                      
(x) Enable Secure Shell                
(x) Permit root user login      
(x) Permit password login                              
SSH PORT 2222 

System: Gateway: Configuration

WANGW 192.168.4.254
Interface: WAN
(x) Upstream Gateway

Interfaces: WAN

( ) Block bogon networks
( ) Block private networks
IPv4 Configuration Type:  Static IPv4
192.168.4.2xx/24
GW: WANGW

Interfaces: LAN

Description: INSIDE

Interfaces: Assignments

em2: DMZ
em3: SERVER

Interfaces: SERVER

Enable (x)
IPv4 Configuration Type: Static IPv4
IPv4 address: 10.0.10.1/24

Interfaces: DMZ

Enable (x)
IPv4 Configuration Type: Static IPv4
IPv4 address: 10.88.2xx.1/24

Services: Dnsmasq DNS & DHCP

DHCP Range: 172.17.2xx.100 bis 172.17.2xx.200

Interfaces: INSIDE

Enable (x)
IPv4 Configuration Type: Static IPv4
IPv4 address: 172.17.2xx.1/24

Firewall

Firewall: Settings: Advanced

Disable reply-to: (x) Disable reply-to on WAN rules

Firewall: NAT: Outbound

Interface	Source	Source Port	Destination	Destination Port	NAT Address	NAT Port	Static Port	Description
WAN	INSIDE net	*	*	*	Interface address	*	NO
WAN	SERVER net	*	*	*	Interface address	*	NO
WAN	DMZ net	*	! 10.88.0.0/16	*	Interface address	*	NO

Firewall: Rules

Interface	Protocol	Source	Port	Destination	Port	Gateway	Schedule	Description
DMZ	IPv4 *	DMZ net	*	*	*	*	*
SERVER	IPv4 *	SERVER net	*	*	*	*	*
INSIDE	IPv4 *	INSIDE net	*	*	*	*	*

Interface	Protocol	Source	Port	Destination	Port	Gateway	Schedule	Description
WAN	IPv4 TCP	HOST	*	WAN address	2222	*	*
WAN	IPv4 TCP	HOST	*	WAN address	4444	*	*
WAN	IPv4 ICMP	*	*	*	*	*	*

System: Gateways: Configuration

Parameter	Wert
Name	DNSGW
Interface	WAN
Address Family	IPv4
Priority	255
IP Address	192.168.4.88
Upstream Gateway	( )

System: Routes: Configuration

Parameter	Wert
Disabled	No
Network Address	10.88.0.0/16
Gateway	DNSGW - 192.168.4.88
Description	UNSERE DMZs

Zertifikat einpflegen

Zertifikat holen

• wget https://web.samogo.de/certs/it213.xinmen.de.tgz

Entpacken

• tar -xvzf it2*.xinmen.de.tgz

Zertifikat

fullchain.pem

Private Schlüssel

privkey.pem

Hostname IP Test

• host opnsense.it213.xinmen.de

opnsense.it213.xinmen.de has address 192.168.4.213