Category: LINUX IPTABLES
HowTo List And Delete Iptables Rules
Iptables is a kind of firewall which is by default available in all Linux distributions. When you install any distro of Linux, iptable would be surely there but, it is programmed in a way that it allows all the traffic by default. There is lot more information available on iptables, but most of them are [...]
How To Add Iptables Rules In Linux
On all the Linux versions, the iptables is a program which provides different methods to manage the Linux kernel’s net filter or packet filtering capabilities. These are the rules which makes possible for all administrators to control what computers can connect to our system. This will also limit any risk of exposure of your system. [...]
Linux Iptables To Block Different Attacks
Iptables is a Linux kernel based packet filter firewall. The iptables modules are present in the kernel itself, there is no separate daemon for it. This makes it very fast and effective firewall. The iptables rules control the incoming and outgoing traffic on a network device. In this article, we will discuss about some common [...]
Linux Tcp Ports: How To Use Netstat and Iptables For Linux Troubleshooting
It is a well known fact that Linux/Unix systems are mostly used as server and are often in connection to the internet. In such platforms access is limited by ports used. The term port means a number access point that is used to access your system much similar like a telephone number. Ports are usually [...]
Creating Logical Volume On Existing Volume Group In Linux
Create logical volume on existing VG (Volume group) First make sure you have proper space to create new lv. From the below output you can see there is enough space to have a new lv #vgdisplay /dev/vg01 — Volume group — VG Name vg01 VG Access read/write VG Status available/resizable VG # 0 MAX LV [...]
