LAN (switch with clients) - Gateway server - (LAN) router & WiFi (WAN) - Internet
LAN (switch with clients, Proxmox box & Access Point) - (LAN) OPNsense box (WAN) - router (bridged) - Internet
[root@UT2K4 ~]# ss -tuln | grep -E '7777|7778|7787|10777|28902'udp UNCONN 0 0 192.168.100.142:7777 0.0.0.0:*udp UNCONN 0 0 192.168.100.142:7778 0.0.0.0:*udp UNCONN 0 0 192.168.100.142:7787 0.0.0.0:*udp UNCONN 0 0 192.168.100.142:10777 0.0.0.0:*udp UNCONN 0 0 192.168.100.142:28902 0.0.0.0:*
[root@UT2K4 ~]# nmap -sU -p 7777,7778,7787,10777,28902 192.168.100.142Starting Nmap 7.93 ( https://nmap.org ) at 2024-10-20 23:47 UTCNmap scan report for UT2K4.<domain>.nl (192.168.100.142)Host is up.PORT STATE SERVICE7777/udp open|filtered cbt7778/udp open|filtered interwise7787/udp open|filtered popup-reminders10777/udp open|filtered unknown28902/udp open|filtered unknownNmap done: 1 IP address (1 host up) scanned in 3.14 seconds
[root@UT2K4 ~]# iptables -L -nChain INPUT (policy ACCEPT)target prot opt source destinationACCEPT 0 -- 0.0.0.0/0 0.0.0.0/0 ctstate RELATED,ESTABLISHEDACCEPT 17 -- 0.0.0.0/0 192.168.100.142 udp dpt:7777ACCEPT 17 -- 0.0.0.0/0 192.168.100.142 udp dpt:7778ACCEPT 17 -- 0.0.0.0/0 192.168.100.142 udp dpt:7787ACCEPT 17 -- 0.0.0.0/0 192.168.100.142 udp dpt:10777ACCEPT 17 -- 0.0.0.0/0 192.168.100.142 udp dpt:28902DROP 0 -- 0.0.0.0/0 0.0.0.0/0Chain FORWARD (policy ACCEPT)target prot opt source destinationACCEPT 17 -- 192.168.100.142 0.0.0.0/0 udp dpt:7777ACCEPT 17 -- 192.168.100.142 0.0.0.0/0 udp dpt:7787ACCEPT 17 -- 192.168.100.142 0.0.0.0/0 udp dpt:28902Chain OUTPUT (policy ACCEPT)target prot opt source destination
Firewall - Settings - AdvancedNetwork Address Translation Reflection for port forwardsReflection for 1:1Automatic outbound NAT for Reflection
[root@UT2K4 ~]# nslookup google.comServer: 8.8.8.8Address: 8.8.8.8#53Non-authoritative answer:Name: google.comAddress: 142.251.39.110Name: google.comAddress: 2a00:1450:400e:810::200e
[root@UT2K4 ~]# nc -zv ut2004master.errorist.eu 28902Warning: inverse host lookup failed for 150.230.23.146: Unknown hostext.errorist.eu [150.230.23.146] 28902 (?) open
Log: MasterServerUplink: Resolved utmaster.openspy.net as 134.122.16.249Log: MasterServerUplink: Connection to utmaster.openspy.net established.