Hairpin Pfsense. On our trusted VLAN, we have a server/service that is accessible

On our trusted VLAN, we have a server/service that is accessible from the outside world via https (port forwarding). Feb 27, 2024 · Hi, My Pfsense firewall has multiple VLAN's. (thanks mod to move this thread in the right forum, sorry for that) Another term that is used for the same mechanism is "NAT reflection" and pfSense supports it pretty well. Dec 10, 2025 · On This Page Method 1: Split DNS Method 2: NAT Reflection Accessing Port Forwards from Local Networks By default, pfSense® software does not redirect internally connected devices to forwarded ports and 1:1 NAT on WAN interfaces. As I understand, they attach the internet connection to a port of a separate switch, attach a computer with pfsense to another port, and configures the VLANs so that traffic from the internet port passes through the router/firewall. 62K subscribers Subscribed Dec 16, 2025 · On This Page Configuring NAT Reflection NAT Reflection Caveats Split DNS DNS Resolver/Forwarder Overrides Internal DNS servers NAT Reflection NAT reflection refers to the ability to access external services from the internal network using the external (usually public) IP address, the same as if the client were on the Internet. All routers I have used in the past supported NAT Reflection / Hairpin NAT / whatever else you want to call it Basically the ability to hit your WAN address internally to get to another internal host. Consider the 'trusted VLAN' and the 'Guest VLAN. External clients can connect just fine, but I'm unable to do so from within the LAN. Someone advise me i need to get a cisco firewall which has hairpinning and I will be fine. Any pointers? Security of hairpin routing? Sometimes people describe a setup where they use pfsense as hairpin router. However it is not accessible from the Guest VLAN, via the WAN-address of the server. It's usually a setting on specific routers that can be enabled via a checkbox. Any suggestions. So I'm stick with the workaround I posted before, that works fine for HTTP and for now. So it's quite possible I'm missing relevant details. I am really excited about pfSense, on my current network I have split DNS, but Dec 31, 2015 · Hello all do pfsense support hairpinning? Recently I just implemented a Avaya IP solution everything worked fine except when I had to configure Avaya one x portal for mobile users to use the app. [PfSense] Configure NAT Reflection/HairPin NAT/NAT loopback (Client,Server in same Subnet) TechTalkSecurity 4. Jan 9, 2017 · Hello, I have problem with NAT Reflection, or maybe it has problem with me:). May 17, 2015 · Seems that PF doesn't support 'hairpin NAT' and I don't want to split DNS nor DMZ. Jan 2, 2023 · First up, I have zero experience with pfSense, Pihole or HAProxy, so am working more from my general knowledge rather than claiming any sort of expertise here. There is a separate rule in the NAT settings Oct 10, 2010 · NAT Reflection / NAT Loopback / Hairpin NAT NAT reflection is an alternative option to split DNS, which can provide some but not all of the same same benefits, it allows LAN devices to use the external IP and get port-forwarded without being NAT'd. This works correctly. Assuming that you are using your own domain, I think that support for valid external and internal HTTPS access should be quite doable (for simplicity I'd probably be inclined to . For example, if a client on LAN attempts to reach a service forwarded from WAN port 80 or 443, the connection will hit the firewall web interface and not the service So I am transitioning to pfSense and want to do some simple port forwards to multiple hosts on my internal network. I end up configuring a split dns in order to get this to work. So, I have to setup soft-phone app on my cell, so it uses dual registration LAN/WAN. Mar 25, 2023 · How to Configure Network Address Translation (NAT)on pfSense software Firewall? Real World Examples Feb 1, 2012 · I'm trying to access a server on my LAN via its public IP address. While many commercial and open source firewalls do not implement Hairpining with Layer 3 switch and Pfsense how to enable? Hi guys, Need your advice how to add hairpining to my current Pfsense setup with L3 switch. I have tried enabling pure NAT-mode (link) But this doesn't work.

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