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