3.7 KiB
Technical Experience
Below you will find various technologies I have experience with and, where applicable, specific software/implementations/features I have used directly.
Both have signifiers denoting my level of experience and/or familiarity with them, classified as:
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Beginner, some/a marginal understanding/level of working experience with
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Intermediate, strong working knowledge
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Advanced, I could probably quote you some RFC/documentation details on it (or beyond)
This is, of course, by no means exhaustive. Anything below Beginner is not listed.
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HTTP/HTTPS/HTTP2 (Advanced)
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Nginx (Advanced)
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Apache (Intermediate to Advanced)
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Mail (Intermediate to Advanced)
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SMTP/SMTPS/StartTLS SMTP (Advanced)
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Postfix (Intermediate)
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IMAP/IMAPS/StartTLS IMAP (Advanced)
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Dovecot (Advanced)
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DKIM (Intermediate to Advanced)
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OpenDKIM (Intermediate)
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Spam Mitigation (Intermediate to Advanced)
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SPF (Advanced)
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RBL (Advanced)
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SpamAssassin (Intermediate to Advanced)
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VoIP/Telephony (Beginner to Intermediate)
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SIP and POTS (Beginner to Intermediate)
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Asterisk (Intermediate)
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FreeSWITCH (Beginner)
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Database Management (Intermediate)
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MySQL (Intermediate)
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MariaDB (Intermediate)
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Postgres (Beginner)
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Sqlite (Intermediate to Advanced)
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Authentication/Identity (Intermediate)
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RADIUS (Intemediate to Advanced)
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FreeRADIUS (Intermediate to Advanced)
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LDAP (Intermediate to Advanced)
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OpenLDAP (Intermediate to Advanced)
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OLC ("On-Line Configuration") (Advanced)
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StartTLS (Advanced; e.g. SSF and ACL tied to TLS status)
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"back-ldap" (internal LDAP proxying) (Intermediate)
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Scripting (Intermediate to Advanced)
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Bash (Intermediate)
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Python (Intermediate to Advanced)
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Linux (Advanced)
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CentOS/Red Hat (Advanced)
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Debian (Intermediate to Advanced)
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Arch Linux (Advanced)
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UNIX/UNIX-likes (Intermediate to Advanced)
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OpenBSD (Intermediate)
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FreeBSD (Intermediate)
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NetBSD (Beginner)
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OpenSolaris (and derivatives e.g. Illumos) (Beginner)
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Virtualization (Intermediate to Advanced)
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XEN (Intermediate)
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OpenVZ/Virtuozzo (Intermediate)
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Libvirt + KVM/QEMU (Intermediate to Advanced)
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Network Analysis (Intermediate)
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PCAP Format (Intermediate)
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Tcpdump (Intermediate to Advanced)
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Wireshark (Intermediate)
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NetFlow (via FlowTools) (Beginner)
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Hardware (Intermediate to Advanced)
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Assembly/Part Replacement (Advanced)
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Diagnostics (Intermediate to Advanced)
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Repair (Intermediate to Advanced)
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Configuration/Change Management (Intermediate to Advanced)
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Ansible (Intermediate to Advanced)
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SaltStack (Advanced)
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Networking Concepts (Intermediate to Advanced)
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VPN (Intermediate to Advanced)
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IPsec (both IKEv1 and IKEv2) (Intermediate to Advanced)
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StrongSwan (Advanced)
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OpenVPN (Advanced)
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PPTP (Intermediate)
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IPv4 (Intermediate to Advanced)
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RFC 1918 subnetting/CIDR allocation (Advanced)
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DHCP (Intermediate to Advanced)
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ICMP (Intermediate)
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IPv6 (Intermediate)
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ICMPv6 (Intermediate)
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SLAAC (Intermediate to Advanced)
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DHCPv6 (Intermediate to Advanced)
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PXE (Advanced)
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iPXE (Intermediate to Advanced)
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QoS (Quality of Service) (Beginner to Intermediate)
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IEEE 802.1X (Intemediate)
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"Smart"/managed switching (Intermediate to Advanced)
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VLAN tagging (Intermediate to Advanced)
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Port Mirroring (Intermediate)
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PoE Device Management (Intermediate)
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Firewalling (Intermediate to Advanced)
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Traffic flow, policies, other concepts (Advanced)
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netfilter/iptables (Intermediate)
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netfilter/ip6tables (Intermediate)
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