これは罠。PHPでiPhone端末にPUSH通知を送る際の落とし穴 | 株式会社LIG(リグ)｜コンサルティング・システム開発・Web制作
iPhoneアプリでプッシュ通知（push notification）を実装する - とりあえず何でも書く
objective c - iOS 10 push notification working for gateway.sandbox.push. apple.com but not for gateway.push.apple.com - Stack Overflow
iOS : Unable to connect to ssl://gateway.sandbox.push.apple.com:2195 (Connection refused) - YouTube
iOS push notification partially works - iOS - Backendless Support
objective c - iOS 10 push notification working for gateway.sandbox.push. apple.com but not for gateway.push.apple.com - Stack Overflow
ios - Push notifications only works in development gateway - Stack Overflow
PHP Push Notification - CodeFlu
C#でAPNS Sandboxに接続できない - ゆれくるコール開発日誌
How to test push notifications in simulator and production iOS apps | by Khoa Pham | Fantageek | Medium
iPhoneアプリでプッシュ通知（push notification）を実装する - とりあえず何でも書く
gateway.push.apple.com 2195
ios - Sending Apple Push Notification via PHP: unable to connect to ssl:// gateway.sandbox.push.apple.com:2195 (Connection timed out) - Stack Overflow
Shared Memory Dump
Enabling iOS push notifications for the Chat SDK | Zendesk Developer Docs
objective c - iOS 10 push notification working for gateway.sandbox.push. apple.com but not for gateway.push.apple.com - Stack Overflow
gateway.push.apple.com 2195
Local and Remote Notification Programming Guide: Binary Provider API
iOS + PHPでPush Notificationを実装する - モンテカットの開発日記
Unable to connect to 'ssl://gateway.sandbox.push.apple.com:2195' · Issue #29 · immobiliare/ApnsPHP · GitHub
ios - generate push notification ssl certificate and provision using new apple panel for development? - Stack Overflow
Unable to connect: tls://gateway.push.apple.com:2195 · Issue #174 · davibennun/laravel-push-notification · GitHub
Unable to connect: tls://gateway.sandbox.push.apple.com:2195: 2 (stream_socket_client(): SSL operation failed with code 1. OpenSSL Error messages: error:1409442E:SSL routines:ssl3_read_bytes:tlsv1 alert protocol version) · Issue #201 · davibennun ...
Send Apple Push Notifications (APN) from PHP Web Application – Hiren's Technical Blog
Unable to connect to 'ssl://gateway.push.apple.com:2195' · Issue #24 · immobiliare/ApnsPHP · GitHub
APNS Push Notification with error response using PHP | Journey With Me
KB218841: Common Troubleshooting steps for Apple Push Notifications with MicroStrategy Mobile 9.4.1 and later
How to build an Apple Push Notification provider server (tutorial) | Server Density Blog
