Tag: networking

  • Open Ports for Omada SDN Controller and EAP

    The Omada controller and EAP Discovery Utility certain TCP (Transmission Control Protocol) ports and UDP (User Datagram Protocol) ports to send or receive data, and those ports need to be open for Omada to work properly. The TP-Link website provides a table that summarizes certain ports, but the table can be a little confusing because…

  • Fix Windows 10 / 11 keeps setting static DNS address

    If you find Windows 10 or Windows 11 keeps setting your DNS setting to certain servers instead of automatically getting the DNS from your DHCP server, you can try the following fix: Windows should now use the DNS entries from DHCP server.

  • Implement EAP-TLS with pfSense and FreeRADIUS

    This guide shows how pfSense can be configured to implement EAP-TLS for a more secure method of WiFi authentication. Create Certificate Authority and Certificates Install and Configure FreeRADIUS Server Configure User Device Configure Access Point [To be completed]

  • pfSense and HAproxy config for TP-Link Omada SDN Controller v5

    Here’s how to setup pfSense and HAproxy for the Omada SDN Controller by TP-Link. This should work on the most recent version 5 of the SDN as of the date of this post. Omada Controller Settings Log into your Omada management page and then navigate to Settings>Controller. Under the section heading “Access Config”, disable “Redirect…

  • How to Forward Pi-Hole Log Messages and Events to Graylog

    rsyslog can be used to forward Pi-hole’s log messages and events to Graylog. The imfile module of rsyslog allows you to convert any logs or other text messages into a syslog message format. By using the input module imfile with the output module omfwd, you can send the converted syslog messages from Pi-hole to Graylog. On your Pi-hole server,…

  • How to Add ntopng as Input for Graylog

    You can stream log messages from ntopng to Graylog by adding the Graylog server as an endpoint and recipient for ntopng notifications, and adding the ntopng server as an input in Graylog.

  • How to Use Pi-hole with DoH and Cloudflared (Zero Trust)

    I was setting up Pi-hole on a new LXC container on Proxmox and wanted to use DNS over HTTPS (DoH) for DNS traffic, so I referred to the the official guide from Pi-hole that previously worked for me. When I tried to install the cloudflared package using the –legacy flag per the instructions from the…

  • How to Prevent Frigate from Writing to an Unmounted NFS Share

    If an NFS share becomes unmounted, data could potentially be written to the unmounted directory on the local drive and cause two problems: If the the NFS share is not reconnected, the local drive can eventually and unexpectedly become full. If the NFS share is remounted, the data that was written on the local drive…

  • How to Setup LAG and LACP for TP-Link Jetstream T2600G-28TS

    Setting up a link aggregation group (LAG) and link aggregation control protocol (LACP) for the TP-Link Jetstream T2600G-28TS managed switch is fairly straightforward. Keep in mind that LAGs will load-balance, but they do not load-share. One TCP/UDP connection will use one link, and is constrained to the bandwidth of that link. It is with multiple…

  • How to Identify Network Manager for Ubuntu

    There have been three approaches to managing network configurations in Linux: The oldest uses the /etc/network/interfaces file and ifup/ifdown scripts to manage network interfaces. After that came the network-manager daemon (often written Network-Manager or NetworkManager), which has a GUI available to manage interfaces. And most recently the systemd-networkd daemon (sometimes abbreviated just ‘networkd’) which is based on systemd unit files. In this post, we will explain…