How to Install Wireshark on CentOS 6.3
Wireshark is a popular network protocol analyzer that can be used to monitor and analyze network traffic. In this guide, we will show you how to install Wireshark on CentOS…
How to Check and Disable SELinux on CentOS 6.3
Security-Enhanced Linux (SELinux) is a feature inherent to Linux that provides a robust security mechanism for supporting access control security policies at the kernel level. SELinux performs checks for allowed…
How to Configure and Create Apache httpd VirtualHost on Fedora 16
In this post, i will show on how to configure apache httpd and create VirtualHost on linux Fedora 16 server. Assumed that you already install apache httpd server. 1. Modify…
How to Configure Iptables Firewall for 389 Directory Server on CentOS 6.2
389 Directory Server is an open-source LDAP (Lightweight Directory Access Protocol) server used to manage directory services on Linux systems. Configuring the iptables firewall is an essential security measure to…
In web server administration, encountering errors is a common occurrence. One such error that Zimbra users often face is the “cannot restore segment prot after reloc: Permission denied” error. This…
How to Disable iptables on Linux CentOS 5.7 Server
Iptables is a firewall utility that is included in most Linux distributions, including CentOS 5.7. It is used to configure and manage the firewall rules on the server. However, there…
How to Install nmap on RHEL 6 Linux Server
Nmap, short for Network Mapper, is a free and open-source tool that is indispensable for network exploration or security auditing. It is a powerful utility that can help you discover…
How to Disable Iptables Firewall on RHEL 6
RHEL 6 comes with the iptables firewall enabled by default to provide basic network protection. However, in some cases, it may be necessary to disable the firewall temporarily or permanently….
How to Install, Configure and Use Linux Iptables Firewall on CentOS 6.2
Iptables is the most popular packet filtering firewall package in linux. It can be used to set up, maintain, and inspect the tables of IP packet filter rules in the…
How to Install Wireshark on CentOS 6.2
Wireshark is a powerful and widely used network protocol analyzer that allows you to capture and analyze network traffic. It is an essential tool for network administrators and security professionals….
How to Allow and Deny Access for Remote SSH to CentOS 6.2
CentOS 6.2 is an older version of the CentOS operating system, but it is still in use in some environments. By default, CentOS allows remote SSH access to all users…
How to Deny ICMP Ping Request on CentOS 6.2
Ping is a computer network administration utility used to test the reachability of a host on an Internet Protocol (IP) network. Ping operates by sending Internet Control Message Protocol (ICMP)…