Tariq Abosallout

𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐓𝐂𝐏 𝐯𝐬. 𝐔𝐃𝐏 𝐢𝐧 𝐨𝐧𝐞 𝐢𝐦𝐚𝐠𝐞 😉 𝐓𝐂𝐏:  Reliable, connection-oriented protocol ensuring data integrity and order. 📦 𝐔𝐃𝐏: Faster, connectionless protocol with no guarantee of delivery or order. 🚀 #TCPvsUDP #networkengineer #tcp #networking #udp

٦

Here’s a breakdown of the primary firewall types and their roles: 1. Next-Generation Firewall (NGFW) Core Features: NGFWs offer traditional firewall capabilities like packet filtering and stateful inspection, combined with advanced features such as: Intrusion Prevention Systems (IPS) Application control Advanced threat protection (e.g., sandboxing) SSL/TLS inspection Use Case: Ideal for protecting against sophisticated attacks while maintaining high performance for enterprise networks. 2. Unified Threat Management (UTM) Core Features: UTMs integrate multiple security features into a single appliance, such as: Firewall capabilities Antivirus Web filtering VPN capabilities Use Case: Suited for small to medium-sized businesses (SMBs) seeking cost-effective, all-in-one security solutions. 3. Web Application Firewall (WAF) Core Features: Specialized in protecting web applications by monitoring and filtering HTTP/HTTPS traffic. Key features include: Protection against OWASP Top 10 threats (e.g., SQL injection, XSS) Bot mitigation API security Use Case: Protects web servers and applications, often used in e-commerce, SaaS, and other online platforms. 4. Cloud Firewalls Core Features: Designed for cloud environments, offering security tailored for public, private, and hybrid cloud deployments. Key features include: Virtualized firewall deployment (FortiGate-VM) Integration with cloud platforms (AWS, Azure, Google Cloud) Automated security scaling and policy enforcement Use Case: Essential for organizations running workloads in the cloud. 5. Internal Segmentation Firewall (ISFW) Core Features: Focused on protecting internal network segments. Features include: East-west traffic inspection Limiting lateral movement of threats Enhanced micro-segmentation Use Case: Protects sensitive areas within the internal network, such as data centers or departmental subnets. 6. Data Center Firewalls Core Features: High-performance firewalls designed for large-scale data centers. Key features include: High throughput and low latency Advanced security features like NGFW capabilities Scalable architecture Use Case: Ideal for securing enterprise data centers and high-volume traffic environments. 7. Operational Technology (OT) Firewalls Core Features: Specifically built to secure industrial control systems (ICS) and operational technology networks. Features include: Protocol-specific security for ICS/SCADA Visibility into OT-specific traffic Protection against OT-targeted threats Use Case: Protects critical infrastructure such as energy, utilities, and manufacturing. 9. Virtual Firewalls Core Features: Software-based firewalls deployed in virtualized environments. Key features include: Compatibility with hypervisors (VMware, Hyper-V, etc.) Integration with SDN solutions Flexible deployment in cloud or on-premises Use Case: Protects virtual environments and provides flexibility for dynamic network setups.

٣

١ تعليق واحد

DHCP Deep Down Session, Packet Level TAC Training For Network, Security & Cloud Engineers. ➡️ Topics Covered: Fundamentals of DHCP Packet-Level Analysis of DHCP Transactions Advanced DHCP Configuration Troubleshooting DHCP Issues Integrating DHCP in Cloud Environments Real-World Applications and Use Cases Security Best Practices for DHCP Q&A Session 🖇️: https://lnkd.in/gY_cDFn7 #packettraining #packetlevel #cloudengineers #securityengineers #networkengineers

١٠

VLAN Lab CCNA-highlight: Write your answer in the comments. .. .. @_networkforyou_ .. .. Follow us on Instagram. .. .. Turn on post notifications. .. .. @_networkforyou_ .. .. ccna200301 ccnp ccnacertification ccnatraining ccnp_security ccnpencor Thanks Networkforyou ccnacertification ccnpencor ccnatraining ccnp #ccna200301 #CCNA #netwokforyou #CCNPSecurity

١

MICROSOFT WINDOWS AUTOMATION WITH RED HAT ANSIBLE (DO417) Virtual Classroom (AEST) 05/08/2024 - 09/08/2024 Course content summary Configure Microsoft Windows systems to be managed with Ansible. Create and manage inventories of managed hosts and provide credentials to manage them to Red Hat Ansible Tower. Write Ansible playbooks to consistently automate multiple tasks and apply them to managed hosts. Run individual ad hoc automation tasks and complex playbooks from Red Hat Ansible Tower. Create survey forms in Red Hat Ansible Tower to simplify playbook operation. Parameterize playbooks using variables and facts. Write and reuse existing Ansible roles to simplify playbook creation and reuse code. Leverage existing PowerShell DSC code to extend the power of Ansible automation. Automate common Windows Server system administration tasks using Ansible.

١

🚀 Understanding OSPF Areas and LSAs for Efficient Network Routing 🚀 In OSPF (Open Shortest Path First), 𝗮𝗿𝗲𝗮𝘀 are essential for segmenting large networks into smaller, more manageable sections. This ensures scalability and efficiency in network operations. 𝗔𝗿𝗲𝗮 𝟬 (𝗕𝗮𝗰𝗸𝗯𝗼𝗻𝗲 𝗔𝗿𝗲𝗮): The central area in OSPF networks, connecting all other areas. 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱 𝗔𝗿𝗲𝗮: A typical OSPF area that connects to Area 0. 𝗦𝘁𝘂𝗯 𝗔𝗿𝗲𝗮: A type of OSPF area that does not receive external routes, reducing its routing table size. 𝗡𝗼𝘁-𝗦𝗼-𝗦𝘁𝘂𝗯𝗯𝘆 𝗔𝗿𝗲𝗮 (𝗡𝗦𝗦𝗔): A variation of a stub area that allows limited external routes. 𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝗹 𝗥𝗼𝘂𝘁𝗲𝗿 (𝗜𝗥): A router with all its interfaces within a single area. It manages routing and exchanges information within its designated area. 𝗔𝗿𝗲𝗮 𝗕𝗼𝗿𝗱𝗲𝗿 𝗥𝗼𝘂𝘁𝗲𝗿 (𝗔𝗕𝗥): A router that connects multiple areas, managing the flow of routing information between them. It helps to reduce routing table sizes by summarizing routes between areas. 𝗔𝘂𝘁𝗼𝗻𝗼𝗺𝗼𝘂𝘀 𝗦𝘆𝘀𝘁𝗲𝗺 𝗕𝗼𝘂𝗻𝗱𝗮𝗿𝘆 𝗥𝗼𝘂𝘁𝗲𝗿 (𝗔𝗦𝗕𝗥): This router serves as a gateway between OSPF and other routing protocols (like IGRP, EIGRP, BGP, etc.), redistributing external routes into the OSPF domain. These routes are then advertised using Type 5 or Type 7 LSAs. 𝗟𝗶𝗻𝗸 𝗦𝘁𝗮𝘁𝗲 𝗔𝗱𝘃𝗲𝗿𝘁𝗶𝘀𝗲𝗺𝗲𝗻𝘁𝘀 (𝗟𝗦𝗔𝘀) are packets that contain information about the state of the routers and the links within an OSPF network. Here are the main types of LSAs: 1️⃣ 𝗧𝘆𝗽𝗲 𝟭: 𝗥𝗼𝘂𝘁𝗲𝗿 𝗟𝗦𝗔 Generated by every router within an OSPF area, it advertises the state of the router’s interfaces and costs, helping routers within the area to understand the local topology. 2️⃣ 𝗧𝘆𝗽𝗲 𝟮: 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗟𝗦𝗔 Produced by the Designated Router (DR) on broadcast and NBMA networks, this LSA lists all routers connected to a specific network segment. 3️⃣ 𝗧𝘆𝗽𝗲 𝟯: 𝗦𝘂𝗺𝗺𝗮𝗿𝘆 𝗟𝗦𝗔 Created by ABRs, it summarizes and advertises routes between OSPF areas, minimizing the size of routing tables in non-backbone areas. 4️⃣ 𝗧𝘆𝗽𝗲 𝟰: 𝗔𝗦𝗕𝗥 𝗦𝘂𝗺𝗺𝗮𝗿𝘆 𝗟𝗦𝗔 Generated by ABRs, this LSA informs other areas of the location of an ASBR, allowing routers in different areas to reach external networks. 5️⃣ 𝗧𝘆𝗽𝗲 𝟱: 𝗔𝗦 𝗘𝘅𝘁𝗲𝗿𝗻𝗮𝗹 𝗟𝗦𝗔 Created by ASBRs, it advertises routes to external networks outside the OSPF Autonomous System, integrating external routing information into OSPF. 6️⃣ 𝗧𝘆𝗽𝗲 𝟲: 𝗚𝗿𝗼𝘂𝗽 𝗠𝗲𝗺𝗯𝗲𝗿𝘀𝗵𝗶𝗽 𝗟𝗦𝗔 (Although rarely used) This LSA was originally designed for multicast OSPF, providing information about multicast group memberships. 7️⃣ 𝗧𝘆𝗽𝗲 𝟳: 𝗡𝗦𝗦𝗔 𝗘𝘅𝘁𝗲𝗿𝗻𝗮𝗹 𝗟𝗦𝗔 Produced by ASBRs within a Not-So-Stubby Area (NSSA), this LSA advertises external routes within NSSAs. It’s similar to Type 5 LSAs but is used exclusively in NSSAs.

١٨٤

١٣ تعليق

⭕ Failover & Failback ☑ Failover is the process of automatically switching to a backup system when the primary system fails. ✅ Failback is the process of switching back to the primary system when it becomes available again. 🔲 Failover and failback are essential components of disaster recovery (DR) and business continuity (BC) plans. They help to ensure that critical applications and data are always available, even in the event of a disaster. ⭕ There are two main types of failover: 🔸 Active/passive failover: In active/passive failover, one system is active and the other is passive. 📛 Drawbacks: 🔰 Downtime during failover as the secondary system ramps up. 🔰 Single point of failure - if the primary system fails, everything goes down until failover occurs. 🔹 Active/active failover: In active/active failover, both systems are active and serving traffic. . 📛 Drawbacks: 🔰 More complex to manage and configure compared to active/passive. 🔰 Higher cost due to maintaining two fully functional systems. #backup #disasterrecovery #failover #recovery #restore #datacenter #server #backupandrecovery #infrastructure #recoverystrategy #network #networking #failover #failback

٣٤

Let’s break down how an MPLS (Multiprotocol Label Switching) network works in simple terms . 🚀 1. What is MPLS? MPLS is a method of speeding up and shaping network traffic. It works like a shortcut system for your data in a network. Imagine a highway with toll booths 🛣️, but instead of stopping at every booth, you have a special pass that lets you zoom through faster. 🚗💨 2. How MPLS Works? Here’s the basic process: Step 1: Label Assignment 📄 When data (called packets) enters the network, it’s given a special label. This label acts like a tag 📌 that says, “Take this route!” Step 2: Label Switching 🔄 Routers in the MPLS network (called Label Switch Routers or LSRs) don’t look inside the packet to decide where it should go. Instead, they just read the label 🏷️ and quickly forward it along the best path. Without MPLS: The router looks at the packet content (like reading a full letter 📜). With MPLS: The router just looks at the label and moves on (like scanning a barcode 🛒). Step 3: Label Removal 🚮 Once the data reaches its destination, the label is removed, and the packet is delivered like normal. 🏠📦 3. Why Use MPLS? Faster Data Transmission ⚡: No need to check every packet at each router. Reliable Routing 🚦: MPLS ensures that data takes the most efficient path. Supports QoS (Quality of Service) 🎯: It can prioritize important data (like video calls 🎥📞) over less critical traffic. 4. Example Scenario 🌐 Imagine you’re sending a video file from City A to City B: Packet gets a label at City A 🏙️. The MPLS network routes it efficiently based on the label 🛤️. No need to stop and inspect at every router 🖥️🔗. Packet reaches City B, label removed, file delivered! 🎉 5. Think of MPLS Like This: 📦 Packet = Your Data 🏷️ Label = Shortcut instructions 🚚 Routers = Delivery trucks 🛣️ MPLS = A highway with fast lanes #copy #paste #learning #Networking

١٧

٣ تعليق

What is Switch in CCNA? Switches are networking devices that allow us to let things connect locally in a building. Note that the switches are not always local but for CCNA, we need to know that the switches are local. For example, if there is a computer in a building that wants to communicate with another computer in that building, it can do so via a switch. A switch receives and forwards data to the destination device. A PC is connected via an ethernet cable to the switch. You must know that switches operate at Layer 2 of the TCP/IP or the OSI model.

٣

Free Voucher for Nutanix Certification Exam Type: Hypercloud and Private Cloud Voucher Code: KNKJHXYWAV Schedule Test by: June 28th Complete Certification by: July 31st #nutanix #ncp #nca #certifications #virtualization #uae

١٢٧

٨ تعليق

How to check configuration of switch. #ccnalab #cisconetworkingacademy #networkconfiguration Write your answer in the comments. .. .. @_networkforyou_ .. .. Follow us on Instagram. .. .. Turn on post notifications. .. .. @_networkforyou_ .. .. ccna200301 ccnp #ccnacertification #ccnatraining #ccnp_security #ccnpencor Thanks #Networkforyou #ccnacertification #ccnpencor #ccnatraining #ccnp #ccna200301 #CCNA #netwokforyou #CCNPSecurity

٢