About me

eng. Sorin Cocorada, Ph.D Freelancer IT Security consultant

IT Security Operations and Development
Designing custom security protocols, custom server modules and security infrastructures

OS: Linux, AIX, Windows, Android, Cisco

Programming: C/C++ (OpenSSL EVP), Java, bash

Web servers: Apache, Nginx (HSTS, HPKP, TLS 1.2, client certificate authentication, etc).

Mail servers: Postfix, Amavis, Dovecot; (DKIM, SPF, AntiSpam filters)

DNS servers: Bind; (DNSSEC, TLSA, master, slave, hidden master)

LDAP servers: OpenLDAP

Radius servers: FreeRadius

Load balancers: HAProxy

High availability solutions: keepalived, pcs, corosync, pacemaker, MariaDB – Galera

Monitoring: Zabbix, PRTG

Customization, optimization, securing: Moodle, Nextcloud, IBM IoT Message Sight

SSL/TLS configurations, VPNs, IPv6, S/MIME, PGP, HSM, OAuth2.0, custom scripts