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Mourad ELGORMA posted in the group Network engineers
OSI Layer 2: Data Link Layer
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Mourad ELGORMA posted in the group Network engineers
Adresse IP de réseau
Pour raccorder un réseau à un réseau IP (internet, intranet), il faut choisir une adresse IP de réseau pour ce
nouveau réseau, non encore attribuée. Concernant Internet, les adresses de réseaux sont attribuées par des organismes
ou sociétés officiels. Généralement, on peut en obtenir auprès d’un FAI.
La taille du résea…Read More -
Mourad ELGORMA posted in the group Network engineers
EXERCICE 1 (ADRESSAGE IP)
Les adresses IP font partie intégrante de IP. Elles ont pour but de se substituer aux adresses physiques (MAC)
des réseaux, qui sont différentes d’un réseau à l’autre. À partir de la couche IP, il n’est plus question que d’adresses
IP pour désigner les équipements (ordinateurs, routeurs, hubs, etc.) d’un internet.…Read More -
Mourad ELGORMA posted in the group SysAdmin
Comparing Linux and Windows
1. Cost and Licensing
Windows: A paid operating system that requires a license for each device, making it costlier for individuals and businesses.
Linux: Free and open-source, available to download and use at no cost, with the freedom to modify its source code.
2. Stability and Performance
Windows: Despite regular…Read More -
Mourad ELGORMA created the group
SysAdmin
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Mourad ELGORMA posted in the group The CyberSec Infos
🎄🎁🤖 As retail traffic surges this holiday season, AI-driven threats are expected to spike.
Discover how “Grinch bots” are impacting the retail industry and strategies to enhance bot detection for a seamless holiday shopping experience.
https://thehackernews.com/2024/11/cyber-threats-that-could-impact-retail.html
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Mourad ELGORMA posted in the group The CyberSec Infos
German law enforcement has disrupted the criminal service dstat[.]cc, enabling easy DDoS attacks for non-technical users.
Find details here: https://thehackernews.com/2024/11/german-police-disrupt-ddos-for-hire.html
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Mourad ELGORMA posted in the group The CyberSec Infos
//Ssh port forgotten in the ufw firwall
lsblk
sudo mount /dev/sdd2 /mnt
sudo nano /mnt/etc/ufw/user.rules
//Add the firwall isntruction to allow the 22 port
sudo umount /mnt1 Share -
Mourad ELGORMA posted in the group DZ Education NEWS
Vous voulez en savoir plus sur les opportunités d’échanges et de coopération Erasmus+ qui sont ouvertes aux organisations et aux individus à travers le monde ? Le webinaire mondial est votre chance !
C’est l’occasion parfaite pour les organisations de mieux comprendre tous les aspects et les avantages des différentes actions et d’obtenir des cons…Read More -
Mourad ELGORMA posted in the group The CyberSec Infos
🐉Kali NetHunter AIO
📝Kali NetHunter is a mobile penetration testing platform for Android devices, developed by the Kali Linux team. It transforms an ordinary Android device into a powerful tool for network security testing, providing users with a comprehensive suite of tools and capabilities to conduct penetration tests, security assessments,…Read More
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Mourad ELGORMA posted in the group The CyberSec Infos
Differences Between Offensive and Defensive Security
Credit Cyber Edition
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Mourad ELGORMA posted in the group Network engineers
Chaque périphérique hôte possède deux adresses principales :
L’adresse physique (adresse MAC)
L’adresse logique (adresse IP)
L’adresse MAC et l’adresse IP fonctionnent ensemble pour identifier un périphérique sur le réseau. L’utilisation de l’adresse MAC et de l’adresse IP pour localiser un ordinateur revient à utiliser le nom et l’adres…Read More -
Mourad ELGORMA posted in the group Network engineers
What is the Internet Control Message Protocol (hashtag #ICMP)?
The Internet Control Message Protocol (ICMP) is a network layer protocol used by network devices to diagnose network communication issues. ICMP is mainly used to determine whether or not data is reaching its intended destination in a timely manner. Commonly, the ICMP protocol is…Read More
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Mourad ELGORMA posted in the group Network engineers
Le VTP (VLAN Trunking Protocol) simplifie la gestion des VLANs dans votre réseau.
🔍 Qu’est-ce que le VTP ?
VTP permet de propager les informations de VLAN automatiquement à travers tous les commutateurs du domaine VTP, facilitant ainsi la gestion centralisée.✅ Pourquoi utiliser le VTP ?
– Centralisation : Gère les VLANs depuis un seul poi…Read More -
Mourad ELGORMA posted in the group Network engineers
🔎 L’ARP (Address Resolution Protocol) est un protocole qui fait le lien entre les adresses IP (couche réseau) et les adresses MAC (couche liaison) des appareils sur un réseau. Il permet la communication entre les couches 2 et 3 du modèle OSI.
📩 Messages ARP
– Requête ARP : demande l’adresse MAC associée à une adresse IP.
– Réponse ARP…Read More -
Mourad ELGORMA posted in the group Network engineers
Le STP (Spanning Tree Protocol) est essentiel pour prévenir les boucles dans les réseaux commutés.
📚 Définition:
STP est un protocole de couche 2 qui empêche les boucles de commutation en créant un chemin unique entre deux points du réseau.🔄 Types de STP:
1. STP Original (802.1D): Version initiale, convergence lente
2. RSTP (802.1…Read More -
Mourad ELGORMA created the group
Network engineers
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Mourad ELGORMA posted in the group The CyberSec Infos
Cette plateforme offre gratuitement plusieurs examens pratiques en cybersécurité.
Voici 13 certifications #cyber que vous pouvez préparer gratuitement sur CertPreps :
🎓 Certified in Cybersecurity (ISC2) : 500 questions pour se préparer à la certification CC.
– Difficulté : 🟢
– https://certpreps.com/cc/🎓 CISSP (ISC2) : 10 examens prati…Read More
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Mourad ELGORMA posted in the group The CyberSec Infos
Google partners with GASA and DNS RF to launch the Global Signal Exchange (GSE), providing real-time insights into scam patterns to protect businesses from cybercrime.
Read: https://thehackernews.com/2024/10/google-joins-forces-with-gasa-and-dns.html
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Mourad ELGORMA posted in the group DZ Education NEWS
🔴🔴 We’re hiring! The British Embassy Algiers has a vacancy for a Political & Communications Officer. Find out more and apply before 20 Oct: https://fco.tal.net/…/23564-DZA-Political-and…/en-GB
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About me
Mourad ELGORMA
PhD Student
ELGORMA Mourad is a PhD student in Information and Communication Technology (ICT) at Abou Bekr Belkaid University of Tlemcen, Algeria, where he is affiliated with the STIC Laboratory (Information and Communication Systems). His academic and professional work focuses on advanced topics in computer networking, cybersecurity, and Internet of Things (IoT).
He has developed strong expertise in network design, configuration, and troubleshooting, particularly with Cisco systems, routing, switching, and Quality of Service (QoS). His research interests include wireless networks, LTE technologies, IoT-based monitoring systems, and network security, with a special emphasis on detecting vulnerabilities and improving system reliability.
Mourad has contributed to several research works covering areas such as IoT applications for sports monitoring, drowning detection systems, and Wi-Fi intrusion detection using embedded systems. His work combines both theoretical research and practical implementation, reflecting a strong background in hardware-software integration.
In addition to his academic career, he works as a freelancer in IT services, specializing in VPS deployment, server administration, and WordPress platform management using tools such as cPanel and Webmin.
With a solid foundation in both research and real-world applications, Mourad is committed to advancing innovative solutions in networking, IoT, and cybersecurity, while continuously expanding his technical and scientific contributions.
Groups
Recent posts
Acknowledgment to Reviewers of IoT in 2021
- March 22, 2026
Internet of things (IoT) � Industrial IoT
- March 22, 2026
No title
- March 22, 2026
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Algeria
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