Opinion on Config



  • I am attempting to control access to a subnet on our network. I have pfSense running on a VM in VMWare (ESXi). I have a NIC set for the network 10.1.10.0/24 and am monitoring that as an interface (OPT1) on pfSense. We created a static route to the 10.1.10.0/24 network on our core router and pointed it to the pfSense firewall (10.1.10.1). 10.1.10.254 is my default gateway on the firewall.

    I have moved a SQL server to the .10 network behind the firewall with a gateway of the FW's address. Although I created a rule on the interface to allow traffic from an internal web server (10.1.69.x) to that SQL server, the default deny rule seems to be catching all of the traffic. I had another interface assigned at one point and after reading up on this issue I assumed it might be asymmetric routing. When I check the box for "Bypass firewall rules for traffic on the same interface", the traffic passes but renders the firewall rules useless. I disabled that extra interface and unchecked the bypass selection and the problem still continues.

    What am I missing?

    Thanks for your replies.



  • Maybe it's me but I find your network description a little confusing. Perhaps if you made a simple diagram it would be more clear. Also, post a screenshot of the rules for the interface you're trying to get from, so if you have a LAN client trying to get to this server on OPT1, then post the LAN rules.


  • LAYER 8 Global Moderator

    @scottlentz said in Opinion on Config:

    We created a static route to the 10.1.10.0/24 network on our core router and pointed it to the pfSense firewall (10.1.10.1). 10.1.10.254 is my default gateway on the firewall.

    I'm with @KOM a bit confused on how you have this setup. A diagram would be worth 10k words..

    Unless this network is a transit network, your going to have asymmetrical issues..



  • pfSense 10.1.10.1.jpg


  • LAYER 8 Global Moderator

    Yeah no help dude.. Why are you mention networks that are disabled? How does the esxi host network come into play 10.1.69? How is that connected to your core router.. Is there anything else on this 10.1.10/24 network

    Not sure why you think pfsense having an interface on some network this opt1 has anything to do with say your sql server? That is for sure asymmetrical and a hairpin..

    So 10.10 wants to talk to say 8.8.8.8, he sends traffic to pfsense 10.1, who then sends it back out the same interface to 10.254.. Ok pointless as that is - when the core router gets an answer he will just send it directly to 10.1 - why would he send it back to pfsense on 10.1? which is asymmetrical


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