Effective June 2004, TELUS implemented security measures on the High Speed Internet Access network called the HSIA Security Policy, which mainly consists of blocking certain network ports on the network in an effort to reduce the exploitation of customer PCs, and to reduce the levels of spam entering and leaving the network.
The purpose of the HSIA Security Policy is to protect the TELUS HSIA network from viruses. Note: TELUS Port Blocking will only affect customers on Dynamic IP packages. Customers on Static IP packages will still have access to all Ports.