Linux Security

How to Find Files by SELinux Security Context, Labels and Types

Ravi Saive — Mon, 21 Aug 2023 07:04:20 +0000

SELinux (“Security-Enhanced Linux”) is a robust security framework within some Linux distributions like Fedora, which utilizes security contexts to enforce fine-grained access controls and protect

The post How to Find Files by SELinux Security Context, Labels and Types first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Install SELinux to Harden Apache Webserver

Ravi Saive — Tue, 20 Sep 2022 04:45:47 +0000

Security Enhanced Linux or SELinux is responsible for the implementation of mandatory access control mechanisms on major Linux distributions like Fedora, RHEL, and Rocky Linux.

The post How to Install SELinux to Harden Apache Webserver first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Install SELinux to Harden Nginx Webserver

Ravi Saive — Thu, 01 Sep 2022 05:52:18 +0000

For Linux users that have exposed themselves to RHEL-based distributions like RHEL, Fedora, AlmaLinux, and Rocky Linux, SELinux is not a new concept to them

The post How to Install SELinux to Harden Nginx Webserver first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Use Netcat to Scan Open Ports in Linux

Ravi Saive — Tue, 20 Jul 2021 06:56:58 +0000

The Netcat (in short NC) is a feature-rich computer networking, debugging and investigation utility that supports an extensive range of commands to manage networks and

The post How to Use Netcat to Scan Open Ports in Linux first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Generate Self-Signed SSL Certificates using OpenSSL

Ravi Saive — Tue, 30 Mar 2021 06:02:29 +0000

Ideally, SSL certificates are issued by publicly trusted certificate authorities (e.g. Let’s Encrypt, Comodo, Verisign) to provide authentication and encryption on the internet. However, you

The post How to Generate Self-Signed SSL Certificates using OpenSSL first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Disable SSH Login to Specific User in Linux

Ravi Saive — Tue, 09 Mar 2021 10:34:01 +0000

As you might already know, SSH (Secure Shell) is a network protocol for securely accessing a computer remotely. The server and client software in Linux

The post How to Disable SSH Login to Specific User in Linux first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Block a Port Using a Firewall in Linux

Ravi Saive — Tue, 23 Feb 2021 09:55:34 +0000

A firewall is either a software-based or, in some cases, a hardware-based security system for networks. It automatically monitors traffic inflow and outflow on the

The post How to Block a Port Using a Firewall in Linux first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Find and Close Open Ports in Linux

Ravi Saive — Thu, 18 Feb 2021 07:51:00 +0000

Network and Server administration is one of the key areas in which Linux is actually preferred to any other operating system. Hence most data center

The post How to Find and Close Open Ports in Linux first appeared on UbuntuMint - Everything About Ubuntu Linux.

How to Find What IP Addresses are Connected to Linux

Ravi Saive — Thu, 18 Feb 2021 07:16:18 +0000

A server is application software that listens to requests over a network and returns the requested files, data, etc. Linux machines have servers installed for

The post How to Find What IP Addresses are Connected to Linux first appeared on UbuntuMint - Everything About Ubuntu Linux.