xFelix
xFelix

Every Technology Thing

xFelix
Every Technology Thing

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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…

   51,812   2020-09-16   52 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…

   1,679   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…

   4,101   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 …

   1,905   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…

   15,415   2020-04-17   36 Read More

For macOS users, XQuartz is a must have supporting app to run Windows application on macOS. However, XQuartz the latest version is 2.7.11 which hasn't been updated since…

   1,989   2020-04-06   0 Read More

Since upgrade macOS to 10.15 Catalina, 32bit applications are no longer supported. It causes mac user some inconvenience to continue use legacy applications. A typical c…

   7,499   2020-03-06   5 Read More

The fraud landscape is a moving target, and this means that merchants must be ever vigilant against fraud threats. A great deal of merchant focus is on stopping friendly…

   1,461   2020-02-26   0 Read More

Background Some companies are still using legacy VPN technology for employee and contractors to access on premise system remotely. Under the cloud trend, more and mo…

   1,357   2020-02-11   0 Read More

Email threats continue to persist as one of the most common infection vectors. Demonstrating the prevalence of email inbox targeting, Verizon's 2019 Data Breach Investig…

   1,612   2020-01-20   0 Read More
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