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Unlocking Pokec Photo Album with Python

I recently programmed Python scripts - config.py, passwords.py and pokec.py, which can be used to […]

The post Unlocking Pokec Photo Album with Python first appeared on Brezular's Blog.

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Juniper vQFX on GNS3

The vQFX is a virtualized version of the Juniper Networks QFX10000 Ethernet switches portfolio. It is a free tool that is not sold and therefore not supported by Juniper. The vQFX offers the same control and data plane features as the physical QFX10000 switches with limited software forwarding performance. We can use the vQFX to […]
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Juniper vQFX on GNS3

The vQFX is a virtualized version of the Juniper Networks QFX10000 Ethernet switches portfolio. It […]

The post Juniper vQFX on GNS3 first appeared on Brezular's Blog.

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Juniper vMX on GNS3

Juniper Network has several products tha can be run on virtualization (hypervisor), such as KVM and ESXi. Those products include vMX (router), vSRX (firewall / security), vQFX (switch), and so on. The virtual Juniper products ease us to deploy it on lab or simulator, even on the production environment, which is run on the hypervisor. […]
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Juniper vMX on GNS3

Juniper Network has several products tha can be run on virtualization (hypervisor), such as KVM […]

The post Juniper vMX on GNS3 first appeared on Brezular's Blog.

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How To Send Message to Multiple Friends on Facebook

I recently programmed Python scripts that send a predefined message to all my Facebook friends. The friend.py script detects all the friend links and returns them to send_message_fb.py as a list. The config.py script contains the links of the friends that should be excluded from receiving the message. The message is also defined in the […]
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How To Send Message to Multiple Friends on Facebook

I recently programmed Python scripts that send a predefined message to all my Facebook friends. […]

The post How To Send Message to Multiple Friends on Facebook first appeared on Brezular's Blog.

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Ipfixprobe Installation and Testing

Ipfixprobe is a project created by CESNET. CESNET is an association of universities and the Academy of Sciences of the Czech Republic that operates and develops a national e-infrastructure for science, research and education, including a computer network, computing grids, data repositories, collaborative environments and offering a wide range of services. Ipfixprobe, as its name […]
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Ipfixprobe Installation and Testing

Ipfixprobe is a project created by CESNET. CESNET is an association of universities and the […]

The post Ipfixprobe Installation and Testing first appeared on Brezular's Blog.

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Mikrotik RouterOS Upgrade from Version 6 to 7

The purpose of this guide is to provide a procedure that you can use to upgrade the RouterOS system (packages) and firmware (bootloader) from version 6 to version 7. If you already have a RouterOS version 6 system, upgrading to the latest version 7 is really easy and can be done from CLI. First, we […]
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Mikrotik RouterOS Upgrade from Version 6 to 7

The purpose of this guide is to provide a procedure that you can use to […]

The post Mikrotik RouterOS Upgrade from Version 6 to 7 first appeared on Brezular's Blog.

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Nprobe Layer 7 Application Visibility and Optional Plugins

Nprobe includes both a NetFlow v5/v9/IPFIX probe and collector. In a probe mode, nProbe captures packets on an interface and exports flows to a flow collector (Noction Flow Analyzer, Ntop etc.). If configured in a collector mode, it collects flows from other device such as routers/switches and export them via TCP streaming to Syslog, Splunk […]
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Nprobe Layer 7 Application Visibility and Optional Plugins

Nprobe includes both a NetFlow v5/v9/IPFIX probe and collector. In a probe mode, nProbe captures […]

The post Nprobe Layer 7 Application Visibility and Optional Plugins first appeared on Brezular's Blog.

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Noction Flow Analyzer – Post-install Steps and New Features Testing

The purpose of this guide is to discuss the next steps after installing Noction Flow Analyzer (NFA) on Ubuntu Linux. In addition, we will test some of the new features available in the latest version 21.11.0. Let's start where the previous article on installing NFA ended. We have our NFA version 21.10.0 installed on Ubuntu […]
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Noction Flow Analyzer – Post-install Steps and New Features Testing

The purpose of this guide is to discuss the next steps after installing Noction Flow […]

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Noction Flow Analyzer – Initial Setup in Home Lab

The goal of this guide is to create a minimalistic and virtualized laboratory infrastructure in a home environment so that everyone can become familiar with all the features that the Noction Flow Analyzer (NFA) provides before actually deploying the NFA in the enterprise network. Our home network consists of two key components - nProbe Pro […]
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Collect hashes from remote computers

I was recently asked to create a script that should calculate the hash values of all files on remote computers. The collection must be done in parallel on all computers.  My choice fell on Bash because it allows to quickly collect hashes using a combination of SSH, sshpass, find and hash (coreutils package). The collect_hashes.sh script […]
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Wi-Fi 5 Vs. Wi-Fi 6

Wi-Fi 6 also known as 802.11ax is the latest generation of 802.11 WiFi standard and the successor of Wi-Fi 5 aka 802.11ac. Wi-Fi 6 increases user throughput by more efficient spectrum usage, provides larger signal coverage and reduces the power consumption. In the following section, we will discuss the significant improvements of Wi-Fi 6 over […]
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MikroTik RouterOS Advanced Configuration

In the previous tutorial, we installed and configured a brand new MikroTik hAP ac³ router for connection to the Internet. We also improved the overall security of the router by implementing simple steps to harden it. These include things like disabling unused services, enabling HTTPS for device management, updating RouterOS, and reconfiguring the firewall rules. […]
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Initial Setup of MikroTik hAP ac³ Router

This tutorial will help you install and configure the MikroTik hAP ac³ dual-band wireless router for home use. In terms of hardware, the router is an excellent device offerening 5 Gigabit Ethernet ports and has two high gain wireless antennas with outstanding coverage. Operating system - RouterOS is preinstalled and licensed (Layer 4) which never […]
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