23 articles

📰 Dev.to · FirstPassLab

Articles from Dev.to · FirstPassLab · 23 articles · Updated every 3 hours · View all reads

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Cisco Just Patched 48 Firewall Bugs in ASA, FTD, and FMC. Here's the Management Plane Lesson.
Dev.to · FirstPassLab 22h ago
Cisco Just Patched 48 Firewall Bugs in ASA, FTD, and FMC. Here's the Management Plane Lesson.
Cisco Just Patched 48 Firewall Bugs in ASA, FTD, and FMC. Here’s the Management Plane...
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Build a Cisco ISE 3.x Lab on EVE-NG: Sizing, First Boot, and Your First 802.1X Test
Dev.to · FirstPassLab 1d ago
Build a Cisco ISE 3.x Lab on EVE-NG: Sizing, First Boot, and Your First 802.1X Test
If you are building a Cisco ISE lab for CCIE Security, the biggest trap is treating ISE like a...
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Why More Data Center Teams Are Choosing NX-OS VXLAN EVPN Over Cisco ACI in 2026
Dev.to · FirstPassLab 1d ago
Why More Data Center Teams Are Choosing NX-OS VXLAN EVPN Over Cisco ACI in 2026
If you're planning a new leaf-spine fabric in 2026, the more interesting question is no longer “ACI...
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What Google’s 2025 Zero-Day Report Means for Network Security Engineers
Dev.to · FirstPassLab 2d ago
What Google’s 2025 Zero-Day Report Means for Network Security Engineers
Google’s Threat Intelligence Group tracked 90 zero-days exploited in the wild during 2025. The number...
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How Network Engineers Break Into Automation: Python, Ansible, NETCONF, and the Road to CCIE Automation
Dev.to · FirstPassLab 2d ago
How Network Engineers Break Into Automation: Python, Ansible, NETCONF, and the Road to CCIE Automation
How Network Engineers Break Into Automation: Python, Ansible, NETCONF, and the Road to CCIE...
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Cisco ASA vs FTD in 2026: NAT, VPNs, Policy Workflows, and Which to Learn First
Dev.to · FirstPassLab 3d ago
Cisco ASA vs FTD in 2026: NAT, VPNs, Policy Workflows, and Which to Learn First
If you work on Cisco firewalls in 2026, you usually inherit both worlds at once: legacy or brownfield...
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NAC Is Moving Into the Fabric: What Nile’s Segment-of-1 Means for Campus Security
Dev.to · FirstPassLab 3d ago
NAC Is Moving Into the Fabric: What Nile’s Segment-of-1 Means for Campus Security
NAC Is Moving Into the Fabric: What Nile’s Segment-of-1 Means for Campus Security Most...
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CML vs GNS3 vs INE: How Network Engineers Should Build Labs in 2026
Dev.to · FirstPassLab 4d ago
CML vs GNS3 vs INE: How Network Engineers Should Build Labs in 2026
If you're building network labs in 2026, the real question is not "which tool is best?" It's which...
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22 Fortinet Patches, 2 Ivanti Auth Bypasses, 9 Intel UEFI Bugs — Your March 2026 Patching Cheat Sheet
Dev.to · FirstPassLab 1w ago
22 Fortinet Patches, 2 Ivanti Auth Bypasses, 9 Intel UEFI Bugs — Your March 2026 Patching Cheat Sheet
Fortinet dropped 22 security patches on March 11, 2026, including a FortiOS authentication bypass...
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SRv6 uSID Is Replacing MPLS at Scale — Here's How to Migrate with Working IOS XR Configs
Dev.to · FirstPassLab 1w ago
SRv6 uSID Is Replacing MPLS at Scale — Here's How to Migrate with Working IOS XR Configs
If you work in service provider networking, the question is no longer whether your network will move...
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9 AppArmor Kernel Bugs Hidden Since 2017 — Root Escalation, Container Escape, and 12.6M Linux Systems Exposed
Dev.to · FirstPassLab 1w ago
9 AppArmor Kernel Bugs Hidden Since 2017 — Root Escalation, Container Escape, and 12.6M Linux Systems Exposed
Nine critical vulnerabilities in Linux AppArmor — collectively dubbed CrackArmor by the Qualys Threat...
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386 Global Outages in One Week: What ThousandEyes Q1 2026 Data Reveals About Modern Network Fragility
Dev.to · FirstPassLab 1w ago
386 Global Outages in One Week: What ThousandEyes Q1 2026 Data Reveals About Modern Network Fragility
Cisco ThousandEyes tracked between 199 and 386 global network outage events per week during Q1 2026,...
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Why Multi-AZ Failed: Lessons from the First Kinetic Attack on a Major Cloud Region
Dev.to · FirstPassLab 1w ago
Why Multi-AZ Failed: Lessons from the First Kinetic Attack on a Major Cloud Region
When Iranian drones struck AWS data centers in the UAE and Bahrain on March 1, 2026, they didn't just...
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Equinix's 280-DC AI Fabric Just Changed the DCI Game — Here's the Architecture Under the Hood
Dev.to · FirstPassLab 1w ago
Equinix's 280-DC AI Fabric Just Changed the DCI Game — Here's the Architecture Under the Hood
Equinix launched the Distributed AI Hub on March 11, 2026 — spanning 280 data centers across 77...
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From BIG-IP to Kubernetes: What F5's CNCF Gold Membership Signals for Network Engineers
Dev.to · FirstPassLab 1w ago
From BIG-IP to Kubernetes: What F5's CNCF Gold Membership Signals for Network Engineers
F5 upgraded to Gold Membership in the Cloud Native Computing Foundation (CNCF) on March 26, 2026,...
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Kubernetes Is Now the OS for AI — Here's What That Means for Your Network Fabric
Dev.to · FirstPassLab 1w ago
Kubernetes Is Now the OS for AI — Here's What That Means for Your Network Fabric
Kubernetes is no longer just a container orchestrator — it is the production operating system for AI....
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Your BGP and OSPF Skills Are Worth $150K–$208K in Cloud Architecture — Here's the Career Map
Dev.to · FirstPassLab 1w ago
Your BGP and OSPF Skills Are Worth $150K–$208K in Cloud Architecture — Here's the Career Map
If you're a network engineer who knows BGP path selection, OSPF area design, and IPsec tunnel...
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GPUs in Every PoP: Inside Cato Neural Edge and the Shift to GPU-Accelerated Cloud Security
Dev.to · FirstPassLab 2w ago
GPUs in Every PoP: Inside Cato Neural Edge and the Shift to GPU-Accelerated Cloud Security
Cato Networks just made the most aggressive architectural bet in the SASE market: NVIDIA GPUs...
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Build Your First Network Automation Lab: Python + NETCONF on Cisco CML (With Working Code)
Dev.to · FirstPassLab 2w ago
Build Your First Network Automation Lab: Python + NETCONF on Cisco CML (With Working Code)
Network automation starts with a lab, three routers, and a Python script that actually talks to them....
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The $19K/Year Cloud Tax You're Probably Not Tracking: Egress, IPv4, and NAT Gateway Fees Compared
Dev.to · FirstPassLab 3w ago
The $19K/Year Cloud Tax You're Probably Not Tracking: Egress, IPv4, and NAT Gateway Fees Compared
Cloud networking fees are the fastest-growing line item on enterprise cloud bills, and most teams...
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DNS Exfiltration from AWS Bedrock "Sandboxed" Code Interpreters — and AWS Says It's Fine
Dev.to · FirstPassLab 3w ago
DNS Exfiltration from AWS Bedrock "Sandboxed" Code Interpreters — and AWS Says It's Fine
AWS Bedrock AgentCore Code Interpreter lets attackers exfiltrate data via DNS queries even in...
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Build a Hybrid Cloud Lab: AWS VPC + Cisco Catalyst 8000V + BGP for Under $2/Day
Dev.to · FirstPassLab 3w ago
Build a Hybrid Cloud Lab: AWS VPC + Cisco Catalyst 8000V + BGP for Under $2/Day
A Cisco Catalyst 8000V on a $1/day AWS t3.medium instance gives you a production-grade hybrid cloud...
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AWS Transit Gateway vs Azure Virtual WAN vs GCP NCC: A Side-by-Side for Network Engineers Going Multi-Cloud
Dev.to · FirstPassLab 3w ago
AWS Transit Gateway vs Azure Virtual WAN vs GCP NCC: A Side-by-Side for Network Engineers Going Multi-Cloud
Every cloud provider has its own hub-and-spoke networking service, and they are not interchangeable....
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