Laravel 透過request()->ip拿到的ip不是client real ip，原來是因為前面有一層cloudflare，解決方法如下，改用下面這段script來取ip:
E

可以包成helper function方便使用。
值得一提的是，HTTP_CF_CONNECTING_IP有可能

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<div class="draft-block draft--p left">Laravel 透過request()-&gt;ip拿到的ip不是client real ip，原來是因為前面有一層cloudflare，解決方法如下，改用下面這段script來取ip:</div>
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<div class="draft-block draft--p left">可以包成helper function方便使用。</div>
<div class="draft-block draft--p left">值得一提的是，HTTP_CF_CONNECTING_IP有可能是偽造的，可以從$_SERVER['REMOTE_ADDR'] 檢查裡面是否有從cloudflare來的ip，詳請可參考: <a href="https://thisinterestsme.com/php-ip-address-cloudflare/" target="_blank" class="draft--a">https://thisinterestsme.com/php-ip-address-cloudflare/</a></div>
<div class="draft-block draft--p left"></div>
<div class="draft-block draft--p left">本筆記參考: 1. <a href="https://panjeh.medium.com/laravel-cloudflare-logging-real-visitor-ip-address-server-solution-1e9739e89654" target="_blank" class="draft--a">https://panjeh.medium.com/laravel-cloudflare-logging-real-visitor-ip-address-server-solution-1e9739e89654</a> 2. <a href="https://laracasts.com/discuss/channels/laravel/cloudflare-and-user-ip" target="_blank" class="draft--a">https://laracasts.com/discuss/channels/laravel/cloudflare-and-user-ip</a> 3. <a href="https://qiita.com/ziming/items/575355bdf383b1ec4d92" target="_blank" class="draft--a">https://qiita.com/ziming/items/575355bdf383b1ec4d92</a> 4. <a href="https://stackoverflow.com/questions/60777969/request-ip-in-laravel-application-not-correct" target="_blank" class="draft--a">https://stackoverflow.com/questions/60777969/request-ip-in-laravel-application-not-correct</a> 5. <a href="https://khalilst.medium.com/get-real-client-ip-behind-cloudflare-in-laravel-189cb89059ff" target="_blank" class="draft--a">https://khalilst.medium.com/get-real-client-ip-behind-cloudflare-in-laravel-189cb89059ff</a> 6. <a href="https://thisinterestsme.com/php-ip-address-cloudflare/" target="_blank" class="draft--a">https://thisinterestsme.com/php-ip-address-cloudflare/</a></div>

Laravel 透過request()-&gt;ip拿到的ip不是client real ip，原來是因為前面有一層cloudflare，解決方法如下，改用下面這段script來取ip:
<figure>E</figure>
 
可以包成helper function方便使用。
值得一提的是，HTTP_CF_CONNECTING_IP有可能是偽造的，可以從$_SERVER['REMOTE_ADDR'] 檢查裡面是否有從cloudflare來的ip，詳請可參考: 
<a href="https://thisinterestsme.com/php-ip-address-cloudflare/">https://thisinterestsme.com/php-ip-address-cloudflare/</a>
 
本筆記參考: 
1. <a href="https://panjeh.medium.com/laravel-cloudflare-logging-real-visitor-ip-address-server-solution-1e9739e89654">https://panjeh.medium.com/laravel-cloudflare-logging-real-visitor-ip-address-server-solution-1e9739e89654</a> 
2. <a href="https://laracasts.com/discuss/channels/laravel/cloudflare-and-user-ip">https://laracasts.com/discuss/channels/laravel/cloudflare-and-user-ip</a> 
3. <a href="https://qiita.com/ziming/items/575355bdf383b1ec4d92">https://qiita.com/ziming/items/575355bdf383b1ec4d92</a> 
4. <a href="https://stackoverflow.com/questions/60777969/request-ip-in-laravel-application-not-correct">https://stackoverflow.com/questions/60777969/request-ip-in-laravel-application-not-correct</a> 
5. <a href="https://khalilst.medium.com/get-real-client-ip-behind-cloudflare-in-laravel-189cb89059ff">https://khalilst.medium.com/get-real-client-ip-behind-cloudflare-in-laravel-189cb89059ff</a> 
6. <a href="https://thisinterestsme.com/php-ip-address-cloudflare/">https://thisinterestsme.com/php-ip-address-cloudflare/</a>

Laravel 透過request()->ip拿到的ip不是client real ip，原來是因為前面有一層cloudflare，解決方法如下，改用下面這段script來取ip:

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get_client_real_ip.php

可以包成helper function方便使用。

值得一提的是，HTTP_CF_CONNECTING_IP有可能是偽造的，可以從$_SERVER['REMOTE_ADDR'] 檢查裡面是否有從cloudflare來的ip，詳請可參考:
https://thisinterestsme.com/php-ip-address-cloudflare/

本筆記參考:
1. https://panjeh.medium.com/laravel-cloudflare-logging-real-visitor-ip-address-server-solution-1e9739e89654
2. https://laracasts.com/discuss/channels/laravel/cloudflare-and-user-ip
3. https://qiita.com/ziming/items/575355bdf383b1ec4d92
4. https://stackoverflow.com/questions/60777969/request-ip-in-laravel-application-not-correct
5. https://khalilst.medium.com/get-real-client-ip-behind-cloudflare-in-laravel-189cb89059ff
6. https://thisinterestsme.com/php-ip-address-cloudflare/

PHP get client real ip behind Cloudflare