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March 2017

Snort OpenAppID

A Network Intrusion Detection & Prevention with Snort and OpenAppID (application identification) on a ESXi ubuntu virtual machine (2 NICs) with PF_RING.   An open source network intrusion prevention system (NIPS) and network intrusion detection system (NIDS) created by Martin Roesch in 1998 and owned by Cisco since 2013.   For our test we need to add a masquerade in iptables between the 2 NICs to make NAT. Take a...

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Bro esxi ubuntu

A try of Bro on an ESXi ubuntu virtual machine (2 NICs) with GeoIP and PF_RING dependencies.   A powerful network analysis framework Originally written by Vern Paxson (Professor of Computer Science at Berkeley), It works with scripts and has support for clustering for high throughput environments. It is actually a very powerful complement to Snort.   For our test we need to add a masquerade in iptables between the 2 NICs...

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fail2ban

Fail2ban scan the log files of the server and bans IPs that show the malicious signs. Like for exemple too many password failures, seeking for exploits, etc.. It work as a service and create rules that automatically alter iptables configuration. All based on a predefined number of unsuccessful login attempts. This will allow the server to respond to illegitimate access attempts without manual intervention.   Install   Fail2ban is in package list...

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secure ubuntu

Increase the security and usability of your Ubuntu server is very important and do at the same times you install it is the best way. There are few configuration/install that you should take early on as part of the basic setup.   Install   The install of Ubuntu Server is easy and not need a detailed how-to for this, the only point you need to take care is the...

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ESXi-Customizer-PS

Create a custom wmware ESXi 6.5 with package for NIC drivers.   When you want to make a test of virtualization, with the standard ISO to install vmware ESXi, on a non server machine. Then what happen in the middle of the install? The system tell you bye, go home, no want to play with you because I not found you NIC!   KEEP HOPE! Nothing is over and the...

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