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$
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I will set up and troubleshoot linux dns firewall and VPN
Linux and Network Support: DNS, Firewall, VPN, Ubuntu Server
MSc in Communication Engineering (University of Parma, 2025). I build and troubleshoot Linux-based network environments.
What I can help with:
- IPv4 routing and network configuration
- DNS setup and...
About this Gig
I configure and troubleshoot Linux network services so they run correctly and you understand why.
What I can set up or fix:
- DNS (BIND9, systemd-resolved, forward/reverse zones)
- Firewall rules (UFW, iptables, FORWARD chain)
- WireGuard VPN (key generation, handshake, routing)
- Linux server administration (Ubuntu Server, Debian)
- Packet capture and diagnosis (tcpdump, Wireshark)
- IPv4 routing and interface configuration
Every delivery includes real terminal outputs and documentation not just instructions.
Questions about your setup? Message me before ordering.
Server:
DNS
Operating system:
Linux
My Portfolio
FAQ
How does the collaboration work?
fter you describe your setup and goals, I'll guide you through the process step by step. Depending on the task, I may need temporary access to your server — I'll always explain what I'm doing and why.
Which Linux systems do you support?
I work primarily with Ubuntu Server and Debian-based systems. If you're using a different distribution, feel free to ask — I'll tell you honestly if I can help.
What do I receive at the end?
A working configuration, verified with real terminal outputs, plus documentation explaining what was done and how to maintain it.
What if something doesn't work as expected?
I include revisions in every package. If the configuration doesn't work as agreed, I'll investigate and fix it within the revision policy of your package.
