networking Archives - Geek is the Way!

Overriding external domains DNS Bind9’s Response Policy Zone on your pfSense

Thiago Crepaldi — Sat, 18 Mar 2023 05:15:52 +0000

On a previous post, we’ve discussed how to use Bind9 on your pfSense in a way that external names were forwarded to name servers while internal names were statically resolved by Bind. In this post, we are going to discuss how to override the IPs returned by external name servers with IPs of our choosing....

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Configuring DHCP Dynamic Host registration on DNS Bind9 on your pfSense

Thiago Crepaldi — Sat, 18 Mar 2023 04:51:28 +0000

On a previous post, we’ve discussed how to use Bind9 on your pfSense in a way that external names were forwarded to other name servers and internal names were statically resolved. In this post, we are going to integrate pfSense’s DHCP Server and Bind9, so that when DHCP assigns an IP to a device, it...

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Configuring DNS Bind9 on your pfSense

Thiago Crepaldi — Sat, 18 Mar 2023 04:11:48 +0000

If there is one annoying thing on pfSense that seems to be never fixed is its DNS Resolver service called Unbound. Release after release, the Netgate folks still struggle to identify and fix the random crashes, unexpected restarts and whatnot. In this post, we are going to install Bind9, a very solid DNS server, to...

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Accessing ISP equipment/Modem from local network

Thiago Crepaldi — Fri, 16 Dec 2022 21:12:25 +0000

Most Internet Service Providers (ISP) install devices in our houses, such as a cable/DSL modems or a ONT/ONU for optical, which have a web interfaces on a private IP address of its own. Since the device is not connected to any port of your local network switch, and therefore, sit outside your your network, accessing...

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Setting up VPN client on your pfSense using Private Internet Access (PIA) service with Kill switch

Thiago Crepaldi — Tue, 13 Dec 2022 04:06:57 +0000

Private Internet Access (aka PIA) provides a cheap VPN service that allows up to 10 simultaneous devices. Recently I have switched from Surfshark to PIA because although Surfshark allows unlimited devices, having multiple connections in the same device (pfSense router) doesn’t always work. The reason is that different connections to different countries can have the...

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How to host multiple domains using HAProxy as reverse proxy on pfSense

Thiago Crepaldi — Mon, 17 Oct 2022 05:02:22 +0000

In previous posts it was discussed how to create a DMZ network and host a website from a isolated VLAN on your network. That is a powerful resource, but with the limitation of not being possible to use a friendly FQDN such as geekistheway.com or mydomain.com as the frontend for the websites. This post will...

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How to create a DMZ network using VLANs on pfSense

Thiago Crepaldi — Sun, 16 Oct 2022 23:51:48 +0000

DMZ (aka Demilitarized Zone) network as defined by Wikipedia “is a physical or logical subnetwork that contains and exposes an organization’s external-facing services to an untrusted, usually larger, network such as the Internet”. The purpose is to add an additional layer of security by separating what is exposed a public service in the DMZ, while the rest of...

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Routing specific devices through your VPN gateway using pfSense

Thiago Crepaldi — Thu, 22 Apr 2021 01:45:29 +0000

While I was writing a post on how to route specific WEB traffic through VPN, I’ve got inspired and decided to write another post on how to route specific DEVICES (your NAS server, laptop, iPhone, etc) through VPN while the rest of your house still uses the default ISP gateway. This kind of approach might...

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Routing specific websites through your VPN gateway using pfSense

Thiago Crepaldi — Thu, 22 Apr 2021 01:22:14 +0000

For those who followed my previous post on how to configure a VPN client on pfSense, one cool application for it is to route only specific websites through the VPN while the rest of the traffic goes through the default ISP gateway, as usual. That is interesting when you want to use an IP from...

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Fix your BufferBloat and speed your Internet on your pfSense

Thiago Crepaldi — Sun, 14 Feb 2021 07:57:41 +0000

As bufferbloat.net defines it, “Bufferbloat is the undesirable latency that comes from a router or other network equipment buffering too much data. It is a huge drag on Internet performance created, ironically, by previous attempts to make it work better. The one-sentence summary is “Bloated buffers lead to network-crippling latency spikes. The bad news is...

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