Problem with users of site from facebook
Only users who click to site link from facebook get 520 error.
All work normally if I copy this link to mobile browser. Othe user dont have problems.
And strange record in server log
"141.101.105.63 - - [28/Mar/2024:15:45:48 +0000] "-" 000 0 "http://m.facebook.com/" "Mozilla/5.0 (Linux; Android 13; 2209116AG Build/TKQ1.221114.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/122.0.6261.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/456.0.0.39.90;] "
when i click link in Facebook application
Ray ID 86b8d79ebfc15b83
The istructions about facebook from documentation was applied.
with disabled cloudflare proxi I have in log record like this
"x.x.x.x - - [28/Mar/2024:16:36:55 +0000] "GET /?fbclid=IwAR2rkGF9GzVV_cU8UXlYijTFTq1hf5j5jzhUSOPrcII-Z2rx9XR5xFQ32k8 HTTP/2.0" 200 44185 "https://l.facebook.com/" "Mozilla/5.0 (Linux; Android 13; 2209116AG Build/TKQ1.221114.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/123.0.6312.77 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/457.0.0.54.84;] [FB_IAB/FB4A;FBAV/457.0.0.54.84;]""
All work normally if I copy this link to mobile browser. Othe user dont have problems.
And strange record in server log
"141.101.105.63 - - [28/Mar/2024:15:45:48 +0000] "-" 000 0 "http://m.facebook.com/" "Mozilla/5.0 (Linux; Android 13; 2209116AG Build/TKQ1.221114.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/122.0.6261.136 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/456.0.0.39.90;] "
when i click link in Facebook application
Ray ID 86b8d79ebfc15b83
The istructions about facebook from documentation was applied.
with disabled cloudflare proxi I have in log record like this
"x.x.x.x - - [28/Mar/2024:16:36:55 +0000] "GET /?fbclid=IwAR2rkGF9GzVV_cU8UXlYijTFTq1hf5j5jzhUSOPrcII-Z2rx9XR5xFQ32k8 HTTP/2.0" 200 44185 "https://l.facebook.com/" "Mozilla/5.0 (Linux; Android 13; 2209116AG Build/TKQ1.221114.001; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/123.0.6312.77 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/457.0.0.54.84;] [FB_IAB/FB4A;FBAV/457.0.0.54.84;]""
Facebook
Log into Facebook to start sharing and connecting with your friends, family, and people you know.
See posts, photos and more on Facebook.
