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Monday 09:00 - 16:00 Tuesday 09:00 - 16:00 Wednesday 09:00 - 16:00 Thursday 09:00 - 16:00 Friday 09:00 - 14:00 Saturday 09:00 - 13:00

Logiclink TECH

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Logiclink TECH

LOGICLINK Tech offre des solutions informatiques et industrielles en Tunisie.

Spécialisée en maintenance IT, réseaux, systèmes d'alarme, vidéosurveillance et contrôle d'accès, notre équipe s'engage à fournir des services innovants et adaptés à vos besoins

28/10/2026

FortiGate firewall Hardware

26/10/2026

**Master Routing Commands!**
From Static Routes and Default Routes to RIP, OSPF, and EIGRP, these essential Cisco IOS commands will help you configure routing and troubleshoot networks more confidently.
Save this cheat sheet for your next lab,
CCNA exam, or real-world networking task!

26/10/2026

What is PoE (Power over Ethernet)?
PoE delivers both data and electrical power through a single Ethernet cable! Learn how PoE injectors power individual devices, while PoE switches support multiple CCTV cameras and access points-simplifying installation and reducing extra cabling.

26/10/2026

🔥 **FORTINET BRANCH OFFICE ARCHITECTURE!** 🌐

Build a secure, scalable network with Fortinet solutions! 🚀

🛡️ **FortiGate 60F:** Firewall, SD-WAN, VPN & threat protection.
🔗 **FortiSwitch 248F:** Core/distribution switching.
⚡ **FortiSwitch 124F:** Access switching, VLANs & PoE.
📶 **FortiAP:** Secure wireless connectivity.
📊 **FortiManager & FortiAnalyzer:** Centralized management and visibility.

💡 **Pro Tip:** Design for redundancy, segmentation, and security!

23/10/2026

Cybersecurity Hardware Tools Every Tech Enthusiast Should Know! 🚀

Explore the devices powering wireless experiments, IoT projects, embedded development, and cybersecurity learning!
🔹 Flipper Zero: Wireless, RFID and NFC experiments
🔹 M5StickC Plus2: Compact IoT development
🔹 ESP32: Wi-Fi and Bluetooth projects
🔹 ESP8266: Wireless IoT applications
🔹 Raspberry Pi: Networking, automation and labs
🔹 Raspberry Pi Pico: Embedded projects with RP2040

💡 Challenge: Which device would you choose to build your own cybersecurity or networking lab? 🤔

⚠️ Always test responsibly and only on devices and networks you’re authorized to use.

12/10/2026

🏢🔐 Branch Office Architecture with Fortinet Solutions! 🌐

Build a secure, scalable, and reliable branch network with FortiGate, FortiSwitch, FortiAP, FortiManager, and FortiAnalyzer! 🚀

This architecture demonstrates how Fortinet solutions work together to provide:
✅ Next-Generation Firewall and SD-WAN security
✅ Redundant core switching and high availability
✅ VLAN segmentation and secure access
✅ Centralized management and network analytics
✅ Connectivity for PCs, IP phones, wireless users, cameras, and printers

💡 Network Engineer Tip: A well-designed branch network combines security, redundancy, segmentation, and centralized visibility.

12/10/2026

🔥 FORTINET FIREWALL NETWORK TOPOLOGY — HIGH AVAILABILITY, NETWORK SEGMENTATION & SD-WAN! 🔐🌐

How do enterprises build a secure, resilient network with FortiGate firewalls? This topology demonstrates how Fortinet security solutions can protect enterprise networks while maintaining connectivity and availability.

🛡️ Key Components Explained:

🔹 High Availability (FGCP): Two FortiGate firewalls work together in an HA cluster to provide redundancy and help minimize downtime during failures.

🔹 Multiple ISP Connectivity: Two Internet service providers provide redundant connectivity, with SD-WAN supporting intelligent path selection, load balancing, and failover.

🔹 Network Segmentation: Separate network zones help isolate DMZ servers, internal users, corporate servers, management systems, and sensitive applications.

🔹 Advanced Security: FortiGate security policies can enforce access controls, intrusion prevention, antivirus inspection, web filtering, and application control.

🔹 DMZ Architecture: Public-facing services such as web, mail, and DNS servers can be placed in a dedicated zone to help protect the internal network.

🔹 Traffic Flow & DNAT: Incoming Internet traffic can be evaluated against firewall policies and destination NAT rules before reaching an authorized DMZ server.

🔹 Secure Branch & Cloud Connectivity: Fortinet SD-WAN and VPN capabilities can connect branch offices, data centers, and cloud environments.

💡 Network Engineer Tip: High availability alone does not guarantee uninterrupted service. Correct HA configuration, heartbeat connectivity, monitored interfaces, session synchronization, and tested failover procedures are essential.

📌 Save this topology for your next firewall design, lab practice, or network engineering interview.

08/10/2026

🔐 Public DNS: Which One Should You Use?

Most people think DNS simply translates a domain name into an IP address.

But your choice of DNS resolver can also affect your security, privacy, filtering, and browsing experience. 🌐

Here’s a quick networking & cybersecurity cheat sheet 👇

🟢 1. AdGuard DNS
94.140.14.14 / 94.140.15.15
→ Blocks ads & trackers

Family protection:
94.140.14.15 / 94.140.15.16
→ Adds adult-content filtering

🟠 2. Cloudflare DNS
1.1.1.1 / 1.0.0.1
→ Standard DNS resolution

1.1.1.2
→ Malware blocking

1.1.1.3
→ Malware + adult-content blocking

🔵 3. Google Public DNS
8.8.8.8 / 8.8.4.4
→ Reliable public DNS resolution
→ No general content filtering

🟠 4. OpenDNS
208.67.222.222 / 208.67.220.220
→ Standard public DNS with security features

FamilyShield:
208.67.222.123 / 208.67.220.123
→ Adult-content filtering

🛡️ But remember…

DNS filtering is an additional security layer, not a complete security solution.

It does not replace:

• 🔥 Firewalls
• 🛡️ Antivirus / EDR
• 🔐 MFA
• 🔄 Regular patching
• 👨‍💻 Security awareness
• 🌐 Proper network segmentation

And one important point: traditional DNS is not encrypted by itself. Technologies such as DoH (DNS over HTTPS) and DoT (DNS over TLS) can add encryption between the client and the DNS resolver.

Understanding DNS is fundamental for anyone working in Network Administration, Cybersecurity, Cloud, or DevOps.

💬 Which public DNS do you usually use — Cloudflare, Google, AdGuard, OpenDNS, or your ISP DNS?

06/10/2026

🔥I just wrote a 143-page FortiGate Firewall lab guide, so you can stop learning firewalls from random YouTube videos.
Most firewall tutorials show you where to click. Very few show you why it works, how to verify it, and what to do when it breaks.
So I built the guide I wished I had. 👇
FortiGate Firewall Lab: A Practical Hands-On Guide (Volume 1)
Everything runs in EVE-NG, step by step, with GUI paths, CLI configs and verification commands:
🔹 VDOMs, zones and packet flow, including the slow-path vs fast-path�🔹 Interfaces: physical, LAG (LACP), VLAN, loopback�🔹 DHCP server, and BGP dual-ISP with route-maps (local-pref, AS-path prepend)�🔹 Firewall policies and objects�🔹 Source NAT: overload, IP pools, one-to-one, fixed port, PBA and Central SNAT�🔹 Destination NAT: VIPs and port forwarding across two ISPs�🔹 Site-to-Site IPsec (template and custom), SSL VPN and IPsec remote access�🔹 High Availability: Active-Passive and Active-Active�🔹 Real troubleshooting scenarios with debug flow, sniffers and root cause analysis
💡 Why it's different: every section ends with "what to verify" and "what breaks when it's misconfigured". That's what separates someone who configures a firewall from someone who can fix one at 2 a.m.
Perfect for network engineers, security engineers, and anyone preparing for a FortiGate role or certification.
📥 Want the PDF? Comment "FORTIGATE" and I'll send it to you.�♻️ Repost to help another engineer in your network.�💬 Tell me: which FortiGate feature gave you the most trouble? I'll cover it in Volume 2.
Prepared by Adam Maaouia | LOGICLINK TECH

Address

Mahdia

Opening Hours

Monday	09:00 - 16:00
Tuesday	09:00 - 16:00
Wednesday	09:00 - 16:00
Thursday	09:00 - 16:00
Friday	09:00 - 14:00
Saturday	09:00 - 13:00

Website

https://logiclinktech.tn/

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