Linux Network Security Engineer for Perplexity.ai Firewall Integration

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Kolkata, India Freelance

Posted: January 15, 2026

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Required Skills

Linux Network Security Firewall Iptables RHEL Traffic Analysis Prototyping Deterministic Testing Red Hat Enterprise Linux Firewalls IP Addressing Egress Control

Job Description

We are seeking a Linux and network security engineer to resolve file upload issues with Perplexity.ai on RHEL 9 servers operating under strict egress-control using iptables with default DROP policy. While standard browsing works, file uploads fail due to blocked Cloudfare-backed upload endpoints.

M...

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