xFelix
xFelix

Every Technology Thing

xFelix
Every Technology Thing

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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…

   100   2021-10-18   0 Read More

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…

   75   2021-10-14   0 Read More

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…

   131   2021-09-27   0 Read More

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…

   298   2021-08-26   0 Read More

这篇文章还是用母语来写吧。 虽说拥有DJI Mavic Pro无人机已经快两年了,但是总体飞行时间却没多少。主要是澳洲的无人机限制严格,可以飞的地方少。所以飞行经验还是比较欠缺的。…

   1,143   2020-10-12   0 Read More

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…

   10,666   2020-09-16   22 Read More

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…

   783   2020-09-09   0 Read More

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…

   1,007   2020-08-27   0 Read More

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 …

   1,179   2020-05-18   0 Read More

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…

   6,404   2020-04-17   29 Read More
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