Questions tagged [opnsense]

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Problems with Nginx location proxy pass

I am no expert in nginx, so sorry if any information is missing or not complete. I have a website running under http://server-ip:3000/abc/xyz. This website also loads some assets from http://server-ip:...
Felix Bühler's user avatar
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22 views

Hetzner 1 IP + Proxmox + OPNSense and NAT

I have a server in Hetzner with 1 public IP... Inside I have Proxmox installed, where I direct all traffic to a virtual machine with OPNSense. this is my /etc/network/interfaces source /etc/network/...
KatiaSisHost's user avatar
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1 answer
30 views

Proxmox Docker OPNSense Firewall issue

I'm currently configuring my root server and I'm hitting a roadblock. My current setup looks like the following: Root Hetzner server with Proxmox OPNSense VM for handling all incomming traffic ...
FMK's user avatar
  • 103
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72 views

Dedicated Server + Proxmox + OPNSense + IPv6 Support for VMs in LAN

I am struggling setting up a working IPv6 network for VMs connected at OPNsense LAN interface. The provider (Hetzner) has given me a /64 IPv6 network: 2a01:4f8::::/64 Somehow I am able to create a ...
EAK TEAM's user avatar
  • 103
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OPNSense: How to communicate with second network that also act as backup WAN

Drawing: https://i.stack.imgur.com/QjM3a.jpg Hello. I have two networks with different subnet (please refer to drawing). First network is 192.168.1.0 and second network is 192.168.2.0. The OPN Sense ...
user321280's user avatar
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1 answer
302 views

NAT between 2 LAN interfaces in Opnsense?

I'm not a network pro so some of my terminology may be off. I've tried to explain what I'm trying to achieve in different ways to hopefully make my request more understandable. I have Opnsense running ...
user23401941's user avatar
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286 views

Hetzner 1 Public IP + Proxmox + OPNSense

I have the following problem, I have a dedicated server in Hetzner with 1 public IP, I must install a Proxmox, a virtual machine with OPNSense to use as a router... and the other virtual machines ...
KatiaSisHost's user avatar
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85 views

OPNsense + HAProxy behind NAT

I am new to OPNsense/HAProxy and struggling for more than 3 days to make it works but unfortunately nothing achieved. So in short words trying to achieve this kind of logic: Dedicated Server (Proxmox ...
EAK TEAM's user avatar
  • 103
4 votes
1 answer
272 views

Which LAGG type should be used for MLAG switches to CARP firewalls?

My network setup involves two firewalls in a Common Address Redundancy Protocol (CARP) group, each connected to an MLAG (Multi-Chassis Link Aggregation) configuration of Mikrotik switches. Onward ...
Tintin's user avatar
  • 193
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1 answer
91 views

Using two asymmetric uplinks

My current network topology is: Fact Firewall (I tested with OPNsense and IPFire, but I'm open to further suggestions) and the whole "ORANGE/DMZ" stuff are actually VMs/containers in a ...
ZioByte's user avatar
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165 views

Connection refused for http requests intermittently on multiple certain networks but not others, OPNSense Firewall, maximum confusion

I have been using an OPNSense firewall at my business for about a year now and its worked great. We use it to host some websites, an email server, and wireguard for remote connections. All on a ...
Tjk's user avatar
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109 views

OpenVPN via OPNsense in Hetzner Network

I am trying to set my openVPN server via OPNsense installed in the hetzner cloud in order to get access to the hetzner's internal network. The hertzner's internal network structure is separated by ...
cd4user's user avatar
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130 views

Host A in VLAN is not responding to ping from host B, but host A can ping host B

Overview: I have a issue where one host A in VLAN is not responding to ping from host B, but host A can ping host B . A= Windows and B=Linux, VLAN=10. A IP address = 192.168.10.100, B IP address = 192....
SDut's user avatar
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519 views

OpenVPN Timeout when connecting

I have followed instructions here (with slight adaptations, as listed below) to set up OpenVPN on an OpnSense router, but clients are not able to connect. Differences: I set Local port to 1179 I set ...
scubbo's user avatar
  • 193
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133 views

Opnsense Wireguard Site-to-Site VPN. Don't see Windows clients

I need to make a transparent Site-to-site VPN between 2 Opnsense routers. As I don't have admin skills I followed this tutorial https://www.wundertech.net/how-to-set-up-wireguard-in-opnsense/ I did ...
Vladimir's user avatar
  • 135
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1 answer
366 views

Inter-VLAN connection issues when devices use Wi-Fi and OPNsense router

I am trying to segregate devices in my home network with 2 different VLANs: HOME and IOT. I have the following network devices: 1 cable modem 1 OPNsense router with WAN, LAN and OPT1 ports 1 Netgear ...
vascaino's user avatar
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245 views

Multiple Site-To-Site VPNs to one OpenVPN Server

I am struggling to setup multiple site-to-site vpns. I have 3 sites: Site A: OpenVPN Server, inside OPNsense, IP Ranges: 192.168.10.0/24 Site B: Asus Router with Fresh-Tomato, IP Ranges: 192.168.20.0/...
Roemer's user avatar
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0 answers
322 views

OPNsense with Radius Accounting

I've been testing OPNsense radius accounting by following this document, https://docs.opnsense.org/manual/how-tos/accounting.html I am able to authenticate user through the captive portal but there is ...
Mindf's user avatar
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42 views

Filtering single unrouted IP with firewall VM

I have virtualization hosts (Proxmox) running multiple VMs providing public services. I'm using a firewall appliance (OPNsense) to filter the traffic. This works fine for a routed subnet, where the ...
Andreas Piening's user avatar
1 vote
0 answers
265 views

LogStash and parsing OPNSenser logs

My logs are coming in as follows: <134>May 24 14:39:32 edge.internal filterlog[2535]: 78,,,ffe6d10d1f27a42fc0edc3abb3a6d333,ovpnc1,match,pass,out,4,0x0,,63,61951,0,DF,6,tcp,60,10.8.0.2,20.44.17....
Jason's user avatar
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YouTube app not working with squid. What urls to bump exclude?

I have squid running with SSL Bump. The rest of the squid settings are basically defaults. I can access YouTube just fine from a browser but the android app is not working. I've already excluded ...
J'e's user avatar
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0 votes
1 answer
469 views

TCP communication to internet broken - no SYN-ACK received

Given following network setup: Debian bullseye host (Proxmox VE) -> OPNsense firewall doing NAT -> DSL modem (connected via PPPoE) -> Internet The host isn't able to establish a tcp ...
Christian Rudolph's user avatar
0 votes
2 answers
1k views

NFS Mouting Failing due to illegal port

I have a VM machine that has a public IP interface and a private IP interface. The private interface is assigned 192.168.50.78. Then I have a dedicated host that acts as my "router" using ...
Granwille's user avatar
1 vote
0 answers
150 views

Routing issue on Debian 11 VM

I updated my OPnsense "router/gateway" to 23.1 a few days ago, and now I am experiencing an issue with one of my machines. I have one machine with OPnsense installed that acts as a basic NAT ...
Granwille's user avatar
2 votes
1 answer
2k views

I am unable to access services on the WAN IP from within the network

Normally, this would not be a desired configuration, but I am setting up a NextCloud server, and to validate the domain, it requires that it be able to access it through the public IP address. No ...
Hubert Oliver's user avatar
-2 votes
1 answer
477 views

Can I use Laptop with one WiFi and one Ethernet Port interface to setup firewall - OPNSense?

I am trying to setup OPNsense Firewall at my residence using a spare laptop which has one WiFI and one Ethernet interface. I was able to install OPNsense and configure the interfaces to LAN and WAN. ...
VMN's user avatar
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1 vote
1 answer
522 views

OPNsense move interface to other hardware port

I have an OPNsense with interfaces directy configured to the hardware ports. The corresponding switch port is also an access port. We plan to change the switch port to a trunk port to transport ...
Lithilion's user avatar
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0 votes
1 answer
2k views

Routed IPv6 on internal bridge with virtualized OPNsense router

I'm struggling with adding IPv6 to the internal bridge of my setup, here is what I have: ┌────────────────────────────────────────────────────────────────────────────────────────────────────...
Andreas Piening's user avatar
2 votes
1 answer
99 views

NTP Traffic, but NTP not installed

I have recently started with OPNSense and have limited outgoing traffic to HTTP/s, SSH ports. When analyzing my blocked traffic i found sporadic outgoing NTP-Requests from my local Linux machine. I am ...
BillGatesPriv's user avatar
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1 answer
1k views

"DNS address could not be found" in OPNsense using OpenVPN configured for ProtonVPN

I'm trying to route the WIFI and OPT nets from my OPNsense box to my VPN. The LAN port is connected to another router and passes directly to my WAN (for greater speed and less privacy). When I connect ...
guttermonk's user avatar
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0 answers
221 views

Movistar and OPNSense

I have a web server on my ip 192.168.1.100 under DMZ ... with a Movistar WAN I can access from the local network, I can access from the domains assigned to it and everything without problems, I can ...
KatiaSisHost's user avatar
1 vote
0 answers
1k views

Wireguard Destination Host Unreachable on internal network

I'm setting up Wireguard to tunnel from a cloud VM to our internal network. The local server is using the Wireguard plugin for OPNSense. OPNSense acts as firewall, dhcp, etc. The cloud VM is not ...
cclloyd's user avatar
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421 views

How can i connect OPNsense router to Mikrotik Switch

I've encountered this situation where I'm to access the switch from my router: Here is what i have set: Lan (DHCP 192.168.50.1 , DHCPIPV6) WAN (DHCP 192.168.80.1,DHCPIPV6) Mikrotik (DHCP 192.168.80.1,...
Francabicon's user avatar
1 vote
1 answer
2k views

OPNsense NAT/Port Forward: Forward multiple protocols and ports

I want to forward ICMP and specific TCP and UDP ports on OPNsense but I'm unable to find a concise solution. Specifically I want to forward ICMP, http, https and UDP 32768-65535. I'm adding a new port ...
Saumya Kanta Swain's user avatar
0 votes
1 answer
2k views

OPNSense logs every second: postfix/smtpd OTP unavailable because can't read/write key database /etc/opiekeys: Permission denied

I am using Postfix on OPNSense as a Smart Host for my local servers to relay mail for notifications. When I first set it up, it would spam System: Log Files: General with the following message: ...
JVal90's user avatar
  • 139
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0 answers
1k views

Unbound not returning A records over IPv6

I recently replaced my pfSense installation with OPNsense and have been struggling a bit with the Unbound installation. In short, it's IPv6 enabled and everything works well (both IPv6 and IPv4) in ...
vpetersson's user avatar
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0 answers
179 views

OpnSense: Interface Offline

I'm setting up a newtwork @ home and would like to keep Wired Devices and Wireless Devices separated. My main network interface is on em0 - 10.0.0.1/24 I've created a VLAN on em5 - 1.0.100.1/24 This ...
Gianni's user avatar
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3 votes
2 answers
3k views

OPNsense WAN failover causes disruption when non-active WAN is down

I have the latest version of OPNsense set up in a VM on ESXi 7. OPNsense is very similar to pfSense, and I suspect the solution would apply to both. All the NICs are PCI passthrough devices: A ...
user3466413's user avatar
0 votes
1 answer
931 views

OPNSense and Unifi RADIUS issue

I have an OPNSense firewall and a Unifi controller I am trying to enable Radius authentication and Radius Vlan assignment On the unifi side I have done the following Created an SSID Created A radius ...
Kyle Sponable's user avatar
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0 answers
194 views

How to implement firewall to grant network access for VPN users as-needed (per-user principle of least privilege, OpenVPN)

How can I setup OpenVPN in conjunction with my firewall in such a way that my VPN users' traffic is DROPed by default to all network resources, and only ACCEPTed through the firewall if that user ...
Michael Altfield's user avatar
1 vote
2 answers
5k views

Offloading PPPoE from an OPNsense router

I'm running opnSense, a FreeBSD-based firewall and router similar to pfSense, in a virtual machine under VMware ESXi 7 on a Dell PowerEdge R230, as a router for my home network. No other VMs are ...
user3466413's user avatar
1 vote
0 answers
129 views

Can't see docker ports from external machines when using a veth interface with an OPNSense KVM

Quick summary of the setup: Ubuntu Server 20.04 with 4 network ports OPNsense router running in libvirt KVM One port is WAN, three ports are LAN (bridged) Router works great Server (same one running ...
colordrops's user avatar
2 votes
1 answer
83 views

Should I run 2 firewalls or manage everything from one?

I currently have a UniFI Firewall in place and I plan to get a OPNsense firewall mainly for a VPN. Setup: Modem - OPNsense Firewall - UniFI Firewall - VLANS (Rules made by UniFi) Are there any ...
Ben's user avatar
  • 23
1 vote
0 answers
260 views

NTP ManualPeerList Client Sync Issue, Windows Server 2019

I am facing NTP syncing issue on my Windows Server 2019 which is syncing as an NTP Client. The OPNSense firewall is syncing from : 2.ie.pool.ntp.org 0.europe.pool.ntp.org 3.europe.pool.ntp.org I have ...
Huud Rych's user avatar
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0 answers
2k views

Load balancing with OPNSense, relayd or haproxy?

There is two main options for load-balancing in OPNsense (and pfSense): relayd and haproxy. pfSense has removed relayd in favour of haproxy [1,2], but OPNsense still supports it. In what usecases we ...
Taha Jahangir's user avatar