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Gonzalo San Gil, PhD.

7 steps to proactive security | Network World - 0 views

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    "The key to securing against this threat lies in a common metaphor-if a ship has a hole, it is better to patch the breach than bail the water Network World | Oct 21, 2016 4:00 AM P"
Gonzalo San Gil, PhD.

How To Use Nmap Security Scanner (Nmap Commands) - LinuxAndUbuntu - 1 views

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    "Nmap is a great security scanner. Many systems and network administrators use it for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. In this article, I'll guide you through how to use Nmap commands."
Gonzalo San Gil, PhD.

How to Secure Network Services Using TCP Wrappers in Linux | Linux.com | The source for... - 0 views

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    "In this article we will explain what TCP wrappers are and how to configure them to restrict access to network services running on a Linux server. Before we start, however, we must clarify that the use of TCP wrappers does not eliminate the need for a properly configured firewall."
Gonzalo San Gil, PhD.

The hidden cause of slow Internet and how to fix it | Network World - 2 views

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    "... By experimenting with pings and various levels of load on his Internet connection, he discovered that latencies were often four to 10 times larger than what should have been expected. He termed the phenomenon, "bufferbloat." His conclusion was that critical data packets were trapped in buffers that were excessively large. ..."
Gonzalo San Gil, PhD.

IPTABLES VS FIREWALLD | Unixmen - 0 views

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    "Today we will walk through iptables and firewalld and we will learn about the history of these two along with installation & how we can configure these for our Linux distributions."
Gonzalo San Gil, PhD.

Network Security Toolkit (NST) Linux OS Released Based on Fedora 24, Linux 4.6 - 0 views

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    "Jul 4, 2016 09:33 GMT · By Marius Nestor · Share: Today, July 4, 2016, Ronald Henderson has announced the release of a new version of the Fedora-based Network Security Toolkit (NST) Linux distribution for network security analysis and monitoring."
Gonzalo San Gil, PhD.

Linux Utilities - Linux File Sharing Over Network Computers Using scp And rsync - Linux... - 0 views

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    "In this article we shall discuss about two powerful Linux utilities that are used for sharing file/folder to network computers that are scp and rsync"
Gonzalo San Gil, PhD.

http://www.linux-server-security.com/linux_servers_howtos/linux_monitor_network_nload.html - 0 views

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    "©2016 Chris Binnie On a continually changing network it is often difficult to spot issues due to the amount of noise generated by expected network traffic. Even when communications are seemingly quiet a packet sniffer will display screeds of noisy data. That data might be otherwise unseen broadcast traffic being sent to all hosts willing to listen and respond on a local network. Make no mistake, noise on a network link can cause all sorts of headaches because it can be impossible to identify trends quickly, especially if a host or the network itself is under attack. Packet sniffers will clearly display more traffic for the busiest connections which ultimately obscures the activities of less busy hosts."
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    "©2016 Chris Binnie On a continually changing network it is often difficult to spot issues due to the amount of noise generated by expected network traffic. Even when communications are seemingly quiet a packet sniffer will display screeds of noisy data. That data might be otherwise unseen broadcast traffic being sent to all hosts willing to listen and respond on a local network. Make no mistake, noise on a network link can cause all sorts of headaches because it can be impossible to identify trends quickly, especially if a host or the network itself is under attack. Packet sniffers will clearly display more traffic for the busiest connections which ultimately obscures the activities of less busy hosts."
Gonzalo San Gil, PhD.

OpenStack by the numbers: Who's using open source clouds and for what? | Network World - 1 views

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    "IT vendors and telecos are heaviest users of open source cloud software"
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    "IT vendors and telecos are heaviest users of open source cloud software"
Gonzalo San Gil, PhD.

OK, panic-newly evolved ransomware is bad news for everyone | Ars Technica UK - 0 views

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    "Crypto-ransomware has turned every network intrusion into a potential payday. by Sean Gallagher (US) - Apr 9, 2016 9:55am CEST"
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    "Crypto-ransomware has turned every network intrusion into a potential payday. by Sean Gallagher (US) - Apr 9, 2016 9:55am CEST"
Gonzalo San Gil, PhD.

What Does "Fast" Mean? | Linux Journal - 0 views

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    "What Is Speed? Many non-technical people will say "I want to have a fast Web site." From a technical perspective, however, that's not a very useful statement, because it neither differentiates between the different types of speed, nor does it consider the multiple layers involved in a modern Web application, nor does it take into consideration multiple people and the crunch that comes from a sudden surge of interest in the site. "
Gonzalo San Gil, PhD.

Secure File Transfer | Linux Journal - 0 views

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    "File transfer between Linux systems (and perhaps all POSIX systems in general) is in some ways a neglected subject. The arcane protocols in common use are far from secure, and the SSH replacements offer too much power and complexity. Servers holding highly sensitive data... "
Gonzalo San Gil, PhD.

ONOS - A new carrier-grade SDN network operating system designed for high availability,... - 1 views

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    "ONOS is building a better network The Open Network Operating System (ONOS) is a software defined networking (SDN) OS for service providers that has scalability, high availability, high performance and abstractions to make it easy to create apps and services. The platform is based on a solid architecture and has quickly matured to be feature rich and production ready. The community has grown to include over 50 partners and collaborators that contribute to all aspects of the project including interesting use cases such as CORD."
Gonzalo San Gil, PhD.

monitor switcher at DuckDuckGo - 0 views

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    width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0
Gonzalo San Gil, PhD.

ZeroNet: Decentralized websites using Bitcoin crypto and the BitTorrent network - 0 views

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    We believe in open, free, and uncensored network and communication.
Gonzalo San Gil, PhD.

5 Best Small Business Open Source Firewalls - 0 views

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    "The Internet is a big, scary place, and so we must protect our small business networks with strong, reliable firewalls. Firewalls can range from a simple gadget that keeps bad data packets out of networks to sophisticated multi-function gateways. "
Gonzalo San Gil, PhD.

Getting started with SaltStack - 0 views

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    "I came across Salt while searching for an alternative to Puppet. I like puppet, but I am falling in love with Salt :). This maybe a personal opinion but I found Salt easier to configure and get started with as compared to Puppet. Another reason I like Salt is that it let's you manage your server configurations from the command line, for example:"
Gonzalo San Gil, PhD.

AV-Test Lab tests 16 Linux antivirus products against Windows and Linux malware | Netwo... - 1 views

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    "st, an independent IT-security institute, is well-known for testing Windows antivirus solutions, and the lab's findings are well respected, but this time AV-Test tested 16 Linux antivirus solutions to discover how well they did against Windows and Linux malware. "
Gonzalo San Gil, PhD.

The Top 20 Free Network Monitoring and Analysis Tools for Sys Admins - 0 views

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    "We know how administrators love free tools that make their life easier. Here are 20 of the best free tools for monitoring devices, services, ports or protocols and analyzing traffic on your network. Even if you may have heard of some of these tools before, we're sure you'll find a gem or two amongst this list - and if you know of any others, leave us a comment below!"
Gonzalo San Gil, PhD.

How to block network traffic by country on Linux - Xmodulo - 0 views

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    "Last updated on December 11, 2015 Authored by Dan Nanni 10 Comments As a system admin who maintains production Linux servers, there are circumstances where you need to selectively block or allow network traffic based on geographic locations. For example, you "
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