Linux, Windows, Security, Programming, Network Tutorials
Apache Kafka is a distributed streaming platform. Let’s explain it in more detail. Apache Kafka is three key capabilities where publish and subscribe to streams of records, similar to a message queue or enterprise messaging system. Apache Kafka provides a distributed publish-subscribe messaging system and robust queue that can handle a high volume of data … Read more
NTP is a core protocol used today’s IT infrastructure to synchronize date and time information. In order to work properly, we need to configuration NTP port in our server, client and intermediate systems like switch, firewall, router. NTP Port UDP 123 NTP uses the UDP port number 123 by default. NTP services run on UDP protocol … Read more
syslog is a standardized protocol used to send Logs and events to the Log server. syslog can be used in different platforms like Linux, Windows, Unix, Applications etc. In this tutorial we will look the default syslog port and secure syslog port and some examples about how to change this port number. Default Port Number UDP 514 … Read more
Nagios is an open-source system, network, application monitoring system. Nagios is designed to be run on the Linux operating system or distributions like Ubuntu, Debian, CentOS, etc. Architecture and Components Nagios is not a single component to run. Nagios is actually a suite which provides following components. Nagios IX Nagios IX is the core of … Read more
Windows firewall is a useful mechanism which is used to control network traffic and ports. There are different ways to manage Windows firewall like GUI, Powershell and MS-DOS. Today we will look in detail how to manage windows firewall from command line with a popular tool named netsh . Netsh is a built-in tool which exists … Read more
Hi, collecting logs are important. In my daily job, I am working with logs about a lot of systems like WMware, Application, Linux, Windows, Cisco, checkpoint, pfSense. Logs provide info about the system, application, etc. Security incident management systems heavily rely on logs. Example Log Logs consist of date system name and event detail like … Read more