Posix Systems

Posix Systems was established in 1992 as one of the original Internet Service Providers in South Africa. It has since grown into a unique niche player in South African market place and was one of the first to be exclusively open source based. The founder and Managing director Mark Elkins became a Cisco CCIE twelve years ago and is the technical director of Uniforum SA, that currently manages the CO.ZA system. The entire registration and ticket system was developed by Mark.


Internet access services
Leased line access (dedicated 64k+)
DSL access
Dial-up or ISDN access

Hosting services
Web site hosting (site hosted on ISP's server)
Server hosting (hosting of client's server on ISP's network)

Miscellaneous services
VoIP services
Domain name services
Virtual private network (VPN) services
Virtual ISP services
Network management

Hardware provision
Routers (sales)
Servers (sales)
Wireless equipment
PCs and other consumer electronics

Security services
Software firewalls
Hardware firewalls
Security audits

Contact Details

Tel: 010 500 1200 or 087 550 1200
Fax: +27 (0) 87 606 4066
Email: queries [at] ispa.org.za