UPDATED ON April 24, 2026
Below is a list of IPs and Domains used by our platform in order to connect threatER Enforce to the threatER Portal. These need to be allowed for your Enforcer's assigned IP within your firewall rules (they do not need to be allowed for the entire network).
The threatER support and admin IPs are static, however, the IPs for Ubuntu Security updates may change (please confirm with an nslookup for all ubuntu domains in list). You will need to allow these for ports 80 and 443 (see chart for specifics).
Domains
- portal.threater.com
- rms.threater.com
- support.threater.com
- ati-files-prod.s3.amazonaws.com
- s3-w.us-east-1.amazonaws.com
- s3-1-w.amazonaws.com
- archive.ubuntu.com
- changelogs.ubuntu.com
- esm.ubuntu.com
- security.ubuntu.com
- us.archive.ubuntu.com
IP Addresses
| Address | Description | Ports required |
| 44.198.117.145 | threatER support | 443 |
| 52.70.145.122 | threatER support | 443 |
| 52.205.79.226 | threatER support | 443 |
| 52.20.126.79 | threatER portal | 443 |
| 52.45.212.88 | threatER portal | 443 |
| 54.85.96.48 | threatER portal | 443 |
91.189.91.81 | Ubuntu Security updates | 443 and 80 |
91.189.91.82 | Ubuntu Security updates | 443 and 80 |
91.189.91.83 | Ubuntu Security updates | 443 and 80 |
185.125.190.81 | Ubuntu Security updates | 443 and 80 |
| 185.125.190.82 | Ubuntu Security updates | 443 and 80 |
91.189.91.46 | Ubuntu Release updates | 443 and 80 |
91.189.91.47 | Ubuntu Release updates | 443 and 80 |
91.189.91.48 | Ubuntu Release updates | 443 and 80 |
91.189.91.49 | Ubuntu Release updates | 443 and 80 |
| 91.189.92.22 | Ubuntu Security updates | 443 and 80 |
| 91.189.92.23 | Ubuntu Security updates | 443 and 80 |
| 91.189.92.24 | Ubuntu Security updates | 443 and 80 |
185.125.190.17 | Ubuntu Release updates | 443 and 80 |
185.125.190.18 | Ubuntu Release updates | 443 and 80 |
185.125.190.23 | Ubuntu Release updates | 443 and 80 |
185.125.190.24 | Ubuntu Release updates | 443 and 80 |
185.125.190.75 | Ubuntu Release updates | 443 and 80 |
| 185.125.190.83 * | Ubuntu Release updates | 443 and 80 |
216.198.53.6 | threatER Customer Success (Zendesk) | 443 |
216.198.54.6 | threatER Customer Success (Zendesk) | 443 |
* - Added in update on February 10, 2026
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