因應電子發票服務優化，綠界將於2021/8/24(二)調整系統架構，調整後主機 IP 將會不固定。
To enhance ECPay’s E-invoice services, from 2021/08/24th (Tue.) ECPay will change the server IP from static to dynamic.
Please notice:
1.如您是使用綠界廠商管理後台開立發票，請忽略本通知。
If you are using ECPay’s admin portal to issue/create the e-invoice, please ignore this notification.
2.如貴司原本防火牆沒有鎖定綠界 IP，也請忽略本通知。
If your firewall never set the ECPay’s IP in the access list of firewall policy, please ignore this notification as well.
3.如貴司防火牆需設定開通綠界 IP，請改以 FQDN(Fully Qualified Domain Name)方式鎖定
If your firewall needs to set ECPay’s IP into the access list of firewall policy, please set it in the way of FQDN (fully qualified domain name.)
允許連出(Allow outbound connection)：
einvoice.ecpay.com.tw TCP 443、einvoice-stage.ecpay.com.tw TCP 443
允許連入(Allow inbound connection)：
postgate.ecpay.com.tw TCP 443、postgate-stage.ecpay.com.tw TCP 443
若您的主機是使用托管方式，請將此訊息轉知主機商。