There are websites and services that Zedmed uses, both internal and external to your site. Firewall and anti-virus software can block access to ports and websites.
The tables below show the services, servers and port numbers used by Zedmed.
| Server (accessible from client computers) | ||
| Function | IP/Web Address | Port | 
| Zedmed Clinical | Server | 9878 | 
| Zedmed Office (HI Service) | Server | 9801 - Depreciated on Ver 36.6 – Will use API Port | 
| Zedmed Clinical Service | Server | 9802 – Depreciated on Ver 36.6 – Will use API Port | 
| Zedmed API | Server | 9821 | 
| Firebird Server | Server | 3050, 3306 | 
| eRx | Server | 3440 | 
| Zedmed (accessible by server and client computers) | ||
| Function | IP/Web Address | Port | 
| Zedmed Website | Zedmed.com.au | Standard Web Port 80/8080 | 
| Zedmed FTP Site | Sftp.zedmed.com.au | Standard FTP port 21 | 
| Zedmed Endpoint Server and Sophia Used for: 
 | endpoint.zedmed.com.au (Please use this rather than the IP address as this may move servers) | HTTPS port 443 | 
| Other | ||
| Function | IP/Web Address | Port | 
|  eRx |  *.erx.com.au | 3440 (internal) 80 (external)  | 
| ZedSMS | https://apiv2.cellcast.com.au/v6/ | HTTPS port 443 | 
| My Health Record | services.ehealth.gov.au | HTTPS port 443 | 
| Claims | api.claiming.com.au | HTTPS port 443 | 
