Geolocation Intelligence
Direction-aware IP geolocation with MaxMind GeoIP for threat detection, DLP, and geo-filtering.
How it works →Software Engineer
Omprakash Nayak
I work full-time at Aryaka Networks on SD-WAN and SASE systems in C/C++. I also founded Pktana, a Linux packet analyzer startup.
About
Network systems engineer
Results-driven Software Engineer with 2+ years of experience in C/C++, SD-WAN, and networking. Expertise in IPsec, DHCP, TCP/IP, multi-threaded applications, and virtualization. Strong focus on debugging, performance optimization, and scalable multi-site deployments.
- EmployerAryaka Networks
- RoleSoftware Engineer
- StartupPktana
- LocationBangalore, India
Current job
Aryaka Networks
Logical WAN Interface Assignment
C/C++ logical WAN layer with NIC mapping, IPsec failover, iptables handling, and multi-ISP resilience.
How it works →Fast Path Framework
Multi-threaded reduced-copy packet engine with IPsec and load balancing — up to 30% higher throughput.
How it works →VLAN-Specific DHCP
VLAN-level DHCP server and relay with isolated server lists for multi-tenant IP management.
How it works →SASE Policy Actions
Packet/session actions across NGFW, SWG, DNS, URL filtering — Permit, Deny, Drop, Reject, Monitor, and more.
How it works →ADN Optimization
DNS routing, HTTP acceleration, and TCP/IP stack work to reduce global application latency.
How it works →LAN Side Interface Mapping
LAN/DMZ/VPN zone interface control with automated assignment — 40% less configuration time.
How it works →My startup
Pktana
High-performance Linux packet analyzer built in Rust. Full L2–L7 DPI, DLP, IDPS, JA3 fingerprinting, GeoIP, TUI, and web UI in one static binary.
- 40+ protocols decoded
- Inline DLP + IDPS engines
- JA3 · GeoIP · tunnel re-inspection
- Single static binary · zero deps
Try it on Linux
$ curl -fsSL https://raw.githubusercontent.com/omnayak27199/pktana/main/install.sh | bash
$ sudo pktana capture eth0 -n 5 --format pretty
Listening on eth0 · BPF: all · snaplen 65535
00:00.142 192.168.1.42:52841 → 8.8.8.8:443
TLSv1.3 ClientHello SNI=accounts.google.com
JA3=cd08e314… risk=0 ALPN=h2,http/1.1
00:00.318 10.0.0.5:53 → 10.0.0.1:53
DNS Query A api.stripe.com risk=0
── 5 packets captured · 4 flows ──Skills
Tools I use
Languages
C++ · C · Python · Rust
Networking
DHCP · TCP/IP · IPsec · VPN · VLAN · DNS · Routing · Switching · Netlink · Juniper & Cisco
Development
GDB · Git · SVN · Bitbucket · Jenkins · SonarQube · Makefile · Wireshark · VS Code
OS & Virtualization
Linux (RHEL 7/9, CentOS) · KVM · QEMU
Projects & publications
Research work
M.Tech projects
- B-WBCIS — Blockchain-based Weather Crop Insurance with automated payouts
- BET-I&D — Blockchain energy trading via auction model (papers under review)
Publications
Education
Academics
2023
M.Tech in Information Technology
National Institute of Technology Raipur
CGPA 9.15 / 10.0 · Raipur, India
2021
B.Tech in Information Technology
Bhilai Institute of Technology, Durg
CGPA 8.84 / 10.0 · Durg, India