by lifeLinux on May 19, 2011
By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. Type the following command to see its # cat /etc/sysconfig/iptables
by lifeLinux on May 10, 2011
CentOS / RedHat Linux server and by default firewall blocked out everything including telnet access. How do I allow telnet – port 23 thought Linux iptables firewall ?
by lifeLinux on April 24, 2011
iptables is a user space application program that allows a system administrator to configure the tables provided by the Linux kernel firewall (implemented as different Netfilter modules) and the chains and rules it stores. Different kernel modules and programs are currently used for different protocols; iptables applies to IPv4, ip6tables to IPv6, arptables to ARP, […]