Cloudflare provides 5 firewall rules to free plan users. Users can use firewall rules to create custom policy to filter out unwanted web access traffic so that protect t…
I occasionally find out a way to bypass Cloudflare protection for target web server. I tend to report it to Cloudflare but as I am using free plan there’s no easy way…
This post is purely for my own benefit to keep a note of wordpress and database migration steps. It will be good for anyone finds useful of those information. Backgroun…
Background: With more and more IoT devices are being used at home, it's a good security practice to segregate those IoT devices into a standalone network away from home…
Pihole is DNS based Ad blocking solution. It can also be used to enhance your home network security by filtering out malicious domain and provide privacy protection by p…
What are PTR Records? PTR records (short for Pointer Records) are used to perform a Reverse DNS lookup. As you probably know, DNS (Domain Name System) is sort of a p…
Long story short, this post will guide you to create your own mail server instead of looking for mail hosting service around the whole Internet. Background Like most g…
Recently I dealt with a cyber security attack using MS Office365 3rd party app to grant access to senior staff's email data. This is something new and advanced targeted …
I wrote a previous blog talking about how to issue and install letsencrypt ssl cert on Synology 3 years ago. I also participated in updating the early version of Synolog…
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