server – Technology Software Center

Let’s Encrypt Could not obtain directory: cURL error 7: Failed to connect to problem resolution

Posted on 29 January 202024 January 2020 by fadıl

When we request Let’s Encrypt certificate, we encounter a problem like below on your server. https://acme-v02.api.letsencrypt.org Let's Failed to connect

How to Prohibit IP Using Windows Firewall on Your Server?

Posted on 25 January 202023 January 2020 by fadıl

1) We select Start >> Administrative Tools >> Windows Firewall With Advanced Security. 2) In the window that opens, we

Turning off DNS Recursion Features on Linux servers

Posted on 10 October 2019 by fadıl

If DNS Recursion is turned on, you are exposed to the “DNS Amplification Attack” attacks. This attack is also known

Microsoft Exchange Server 2016 Installation And Settings – Part 1

Posted on 15 August 201915 August 2019 by fadıl

Before starting the installation, let’s first briefly discuss the roles and roles of Exchange Server 2007 and 2016. As it

How to Find Users Who Have Opened a TCP Connection to Your Server on a Certain Number

Posted on 6 July 20194 July 2019 by fadıl

Finding multiple connections to your server over an IP can always be useful. In many cases, when you receive a DDOS

How to Setup SSTP VPN Client in Windows Using Certificate from Mikrotik

Posted on 18 May 201916 April 2019 by fadıl

Setting SSTP VPN Client in Windows is more complicated than setting a PPTP VPN Client. This happens because the use of

How to Finding Out Your Server Specs Through A PHP Script

Posted on 8 February 201920 July 2019 by fadıl

Have you ever need to know what your server is running? Need to see if it runs MySQL? Well here is a

Changing Ownership Of A File Using Chown

Posted on 2 February 201919 July 2019 by fadıl

Recently I encountered a problem when I ftped to my server, I was trying to upload a file that already