Hugo

@hugovalters

Tech Lead & DevSecOps. Cybersecurity | IT Tutorials | Ethical Hacking | Tech Reviews. Learn, secure https://links.valtersit.com

LatviaJoined April 2026

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Tech Lead & DevSecOps. 🛡️ Cybersecurity | 💻 IT Tutorials | 🏴‍☠️ Ethical Hacking | ⚙️ Tech Reviews. Learn, secure, and explore cutting-edge IT solutions! 👇 https://links.valtersit.com

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Hugo's blogs

Hugo | DevOps | Cybersecurityhugovalters.hashnode.dev25 posts

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Recently published

HHugohugovalters.hashnode.dev2d ago · 4 min read

Proxmox Network Configuration: Bridges, Bonds, and VLANs

I once spent a Sunday afternoon restoring a client's 12-node Proxmox cluster because someone thought balance-rr on a single switch was a good idea. The switch's MAC table filled up in 47 seconds, the

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HHugohugovalters.hashnode.dev3d ago · 3 min read

Lock Down SSH: Configuring Two-Factor Authentication (2FA) with Google Authenticator

Secure Your Server: Forcing 2FA on SSH Connections 🖼️ Image: 'Hacker trying to bypass SSH with Google Authenticator shield' available in the full article here Every single day, automated bots and b

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HHugohugovalters.hashnode.devMay 3 · 3 min read

Split Tunneling: Performance vs Security in the Remote Work Era

I recently sat in a boardroom where a non-technical CISO was pounding the table, demanding that every single byte of data from 500 remote employees be forced through the corporate VPN. "Full Tunneling is the only way to ensure security!" he shouted. ...

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HHugohugovalters.hashnode.devMay 2 · 3 min read

Tailscale & ZeroTier: Why You're Fighting CGNAT and Losing

I recently talked to a developer who spent three days trying to set up a WireGuard tunnel to his home server. He had the config perfect. He had the port forwarded on his router. He had the dynamic DNS updating every five minutes. But no matter what h...

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HHugohugovalters.hashnode.devMay 1 · 3 min read

The MTU Nightmare: Why Your VPN Connection is Fragmenting to Death

I’ve lost count of how many times I’ve had to explain this to "Senior" DevOps engineers who think they’ve discovered a ghost in the machine. The symptoms are always the same: The VPN tunnel is "Up." You can ping the remote gateway. You can even SSH i...

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Hugo

About

Available for

Hugo's blogs

Recently published

Proxmox Network Configuration: Bridges, Bonds, and VLANs

Lock Down SSH: Configuring Two-Factor Authentication (2FA) with Google Authenticator

Split Tunneling: Performance vs Security in the Remote Work Era

Tailscale & ZeroTier: Why You're Fighting CGNAT and Losing

The MTU Nightmare: Why Your VPN Connection is Fragmenting to Death

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Hugo

About

Available for

Hugo's blogs

Recently published

Proxmox Network Configuration: Bridges, Bonds, and VLANs

Lock Down SSH: Configuring Two-Factor Authentication (2FA) with Google Authenticator

Split Tunneling: Performance vs Security in the Remote Work Era

Tailscale & ZeroTier: Why You're Fighting CGNAT and Losing

The MTU Nightmare: Why Your VPN Connection is Fragmenting to Death