data structures, Sockets, SSL, Unix Shell Scripting, Dns, Load Balancers, Systems Programming, Golang, Unix Internals, UDP, Http, Tcp, Linux, Distributed Systems, Tls, Https, Python, Perl, Algorithms, Web Servers, multi-threaded concurrent programming, Web Application Firewalls, Ip

Ipsec, Nat, C, Ipv4, Ipv6, SSL, routing, Vpn, L4 networking protocols, DPDK, OFP, ODP