UNTIL 12:01 AM on November 1, 2023:
FROM TEXTPOWER TO YOU:
TextPower POSTS to the following IP addresses on ports 80 (Standard) and 443 (Secure) so firewalls must be open to inbound traffic for them:
64.37.202.6
209.67.98.180
FROM YOU TO TEXTPOWER:
Customers access TextPower URLs that have the following IP addresses (firewalls must be open to outbound traffic on these addresses):
64.37.202.247 (http://www.textpower.com/services/)
64.37.202.249 (https://secure.textpower.com/)
AFTER 12:01 on November 1, 2023:
FROM TEXTPOWER TO YOU:
TextPower POSTS from the following IP addresses to ports 80 (Standard) and 443 (Secure). Firewalls must be open to inbound traffic for those that receive POSTs and/or API call-backs from TextPower: 167.94.209.130-138 inclusive
FROM YOU TO TEXTPOWER:
Customers make API calls or POST to these TextPower IP addresses. Firewalls must be open to outbound traffic on these addresses):
167.94.209.133 (http://www.textpower.com/services/)
167.94.209.135 (https://secure.textpower.com/)