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How to whitelist an IP in Fail2ban on Debian Wheezy
Fail2Ban is used to protect servers against brute force attacks. Fail2ban uses iptables to block attackers, so, if we want to add permanent IP address and never be blocked, we must add it in the config file.
How To Install Hamachi On Fedora 9
This tutorial explains how to install Hamachi on a Fedora 9 server. Hamachi is a VPN service that easily sets up in 10 minutes, and enables secure remote access to your business network, anywhere there's an Internet connection. It works with your existing firewall, and requires no additional configuration. Hamachi is the first networking application to deliver an unprecedented level of direct peer-to-peer connectivity. It is simple, secure, and cost-effective.
Get DAVfs working on (X)ubuntu
Mounting a WebDAV location under (X)ubuntu is not as straightforward as it should be. This mini-howto shows how you mount a WebDAV location and shows what problems you may have to solve.
Bluetooth PAND (Personal Area Network) Howto For Debian Etch
I wanted to access the internet over bluetooth instead of GPRS/3G network from my mobile phone (SE K800i). After a lot of searching I couldn't find a clear explanation as how to accomplish this. I did manage to set it up with Windows XP, using the "Personal Area Network" in the bluetooth utility and doing internet connection sharing. After another fruitless search, I managed to figure out how to make a bluetooth internet profile instead of GPRS or 3G on the phone. Since I work in Linux most of the time, I decided to have a go and do it with Debian, my workstation's main OS. After spending a few hours, I had it working using the steps below.
How To Set Up A FreeBSD Wireless Access Point
This how-to explains the process of setting up a FreeBSD system that will act as a wireless router (as well as a wired router) that takes advantage of the ported version of OpenBSD's PF packet filter.
Network Monitoring With ntop
ntop is a network traffic tools that shows network usage in a real time. One of the good things about this tool is that you can use a web browser to manage and navigate through ntop traffic information to better understand network status.
How to Set up Network Bonding in Ubuntu 6.10
Network Bonding, otherwise known as port trunking allows you to combine multiple network ports into a single group, effectively aggregating the bandwidth of multiple interfaces into a single connection. For example, you can aggregate two gigabyte ports into a two-gigabyte trunk port. Bonding is used primarily to provide network load balancing and fault tolerance.
Cisco 350 Series And Kismet
This tutorial is describing how to configure a Cisco Aironet wireless card and how to set up kismet in order to run with it.
The output will look like this:
Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface MSS Window irtt 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 0 0 0 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 0 0 0 0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0 0 eth0 0 0 0
This means that the system with the IP address 192.168.0.100 is using 192.168.0.1 as gateway.