free ssl from zerossl
ZeroSSL is a fast, secure and free SSL certificate provider. ZeroSSL free SSL certificate can be used to make secure communication over public internet.
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How to Get Free SSL Certificate from ZeroSSL
SSL/TLS certificate is an essential part in today internet communication. Online communication cannot imagine without SSL/TLS certificate. SSL/TLS certificate makes online communication secure by encrypting data transmitted over public internet. So, most of the applications (Web, Email and VPN services) those transmit data over public internet use SSL/TLS certificate to secure communication. SSL/TLS certificate requires to be signed by Certificate Authority (CA). It is possible to create self-signed certificate with SSL certificate creation tools such as OpenSSL. Some router venders such as MikroTik RouterOS also provide facility to create self-signed certificate. Although self-signed certificate establishes secure communication, it is always not trusted by Operating System. So, we get warning or error notification although we install private CA in trusted root certificate. For this, we need to get public CA to get warning or error free secure communication. Public CA requires yearly subscription fee to get their service. Although this payment is not so high for enterprise organizations but small business companies sometimes face trouble to pay yearly subscription fee. Don’t be worried if subscription fee goes out of budget. Some public CA organizations provide free SSL certificate to make internet completely secure. ZeroSSL is one of them who provides fast, [...]
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How to Import SSL Certificate in MikroTik RouterOS | January 16, 2022
SSL/TLS Certificate is used to make secure communication between server and clients. MikroTik RouterOS has a lot of services such OVPN, SSTP VPN, HTTPS, Hotspot and so on those use SSL/TLS certificate. It is possible to create self-signed certificate in MikroTik RouterOS but self-signed certificate faces untrusted CA warning. So, it is always better to use trusted CA either freemium or premium. In my previous article, I discussed how to get a free SSL/TLS certificate from Zero SSL but Zero [...]
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MikroTik Hotspot HTTPS Redirect with Free SSL Certificate | June 21, 2020
SSL Certificate is required to enable HTTPS Login and HTTPS Redirect in MikroTik Hotspot. In one of my last articles I discussed how to configure MikroTik Hotspot HTTPS redirect and HTTPS login with MikroTik self-signed certificate. But self-signed certificate is not trusted by operating system. So, we get the following two issues if we configure HTTPS Login and HTTPS Redirect with self-signed certificate. Ask to proceed unsafe site: As browsers cannot trust self-signed certificate, it shows a warning message and [...]
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How to Block NetShare Changing MikroTik TTL | April 19, 2024
Internet user can easily share their net connection to others using their smart phone or Laptop creating Hotspot. Smart phone users especially Android users by default get a net sharing app named Mobile Hotspot to share his net connection to others. Besides Mobile Hotspot, there are many Android Apps like NetShare those can be used to share net connection to others. Sharing net connection to others or friends is a good feature in Smart phone but sometimes users misuse this [...]
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LVM Management in CentOS/Red Hat 7 Linux | March 15, 2019
LVM (Logical Volume Manager) is the recommended partition method for CentOS/Red Hat 7 Linux. Specially, if we work on Mail Server, File Server, FTP Server, Web Proxy Server or any application where disk space changes frequently, the LVM partition is mandatory in this case. In my previous article, I discussed how to install CentOS 7.5 with LVM partitioning. If you are new here or CentOS 7 is not yet installed, I will suggest you to follow my previous article and [...]
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MikroTik RouterOS User Authentication via RADIUS Server | November 19, 2017
MikroTik RouterOS has a strong local user database that is enough to manage a single MikroTik RouterOS user. But if your network has more than one MikroTik Routers, it is always better to use a RADIUS server to manage RouterOS user centrally. MikroTik User Manager RADIUS Server is a centralized user authentication and accounting application that gives the ISP Company or network administrator ability to manage not only RouterOS users but also PPP, Hotspot, DHCP and Wireless users. How to [...]
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CentOS 8 Networking Configuration Using nmtui Tool | December 14, 2020
The first task after completing CentOS 8 fresh installation is to configure its networking so that it can be accessed from other network devices. In my previous article, I discussed how to install CentOS 8 Graphical User Interface (GNOME Desktop) with step by step screenshots. If you are a new CentOS 8 user and have not yet installed CentOS 8 on your server machine, feel free to follow that article and install CentOS 8 GNOME Desktop according to the article. [...]
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Ubuntu Web Server Configuration with phpMyAdmin (LAMP Stack) | July 12, 2021
Ubuntu Server is one of the most popular open source operating systems that can be used in production without any hassle. In my previous article, I discussed how to install Ubuntu Server with LVM partition. I also discussed how to assign static IP address on Ubuntu Server interface with Netplan network management tool. Ubuntu web server is a popular service because web developers usually use Ubuntu Server for their development project. Besides development project, Ubuntu web server can also be [...]
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7 Best WiFi Router Brands For Home Or Apartment | September 18, 2021
So, you are deciding to buy a WiFi Router for your home or apartment and finding which brand will be the best WiFi Router for your home. A lot of brands which manufacture WiFi Router for home usage are available nowadays in the market but all brands are not renowned and don’t provide best performance for home usage. So, before going to buy a WiFi Router, you should have better understanding about Best WiFi Router Brand that provides best WiFi [...]
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MikroTik Radius Configuration with FreeRADIUS | December 7, 2018
FreeRADIUS is a high performance RADIUS suite that provides authentication, authorization and accounting facility for a large number of network devices including MikroTik Router. Although MikroTik has user manager RADIUS service to provide authentication, authorization and accounting facility but it is not free for customization and not suitable for medium to large organization. On the other hand, freeRADIUS is free for customization according to your organization requirements. But freeRADIUS has to be customized by you. In my previous article, I [...]
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