Cloudflare settings:
If the site is behind Cloudlflare, please add a rule to allow all INICIS IP address and requests, you can do this by adding a rule for KG INICIS ASN.
ASN: AS9571 – ALLOW ALL
“clientASNDescription”: “INICIS-AS INICIS Co., Ltd”,
“clientAsn”: “9571”,
“clientCountryName”: “KR”,
“clientIP”: “118.129.210.25”,
More information on INICIS IP addresses for can be found here https://manual.inicis.com/stdpay/std-info.php
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Magento Cloud – Fastly WAF
When making a payment request you find a 403 page as below, this usually means Magento Web Application Firewall rule needs updating to allow
the INICIS return url request, please see below from magneto doc, and submit a ticket to Magneto support.
The error is related to fastly WAF and the return URL needs to be allowed which is: /inipay/order/pay
Or simply allow /inipay/* requests back to the domain.
The IP addresses of KG INICIS payment gateway can be found here:
https://manual.inicis.com/stdpay/std-info.php#firewall
https://devdocs.magento.com/cloud/cdn/fastly-waf-service.html