Apologies for assuming the information I left out was irrelevant. These are the logs:
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{"level":"error","ts":1694118272.9798982,"logger":"http.log.access.log3","msg":"handled request","request":{"remote_ip":"10.100.100.20","remote_port":"59649","client_ip":"10.100.100.20","proto":"HTTP/3.0","method":"GET","host":"site.example.com","uri":"/author","headers":{"User-Agent":["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15"],"Sec-Fetch-Dest":["document"],"Accept-Encoding":["gzip, deflate, br"],"Priority":["u=0, i"],"Sec-Fetch-Mode":["navigate"],"Accept-Language":["en-GB,en;q=0.9"],"Accept":["text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],"Sec-Fetch-Site":["none"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h3","server_name":"site.example.com"}},"bytes_read":0,"user_id":"","duration":0.000099731,"size":0,"status":401,"resp_headers":{"Date":["Thu, 07 Sep 2023 20:24:32 GMT"],"Server":["Caddy"],"Strict-Transport-Security":["max-age=31536000"],"X-Xss-Protection":["1; mode=block"],"X-Content-Type-Options":["nosniff"],"X-Frame-Options":["DENY"],"Www-Authenticate":["Basic realm=\"restricted\""]}}
{"level":"error","ts":1694118273.0411742,"logger":"http.log.access.log3","msg":"handled request","request":{"remote_ip":"10.100.100.20","remote_port":"59649","client_ip":"10.100.100.20","proto":"HTTP/3.0","method":"GET","host":"site.example.com","uri":"/author","headers":{"Accept":["text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],"Priority":["u=0, i"],"Sec-Fetch-Mode":["navigate"],"Sec-Fetch-Dest":["document"],"Accept-Encoding":["gzip, deflate, br"],"Sec-Fetch-Site":["none"],"User-Agent":["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15"],"Accept-Language":["en-GB,en;q=0.9"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h3","server_name":"site.example.com"}},"bytes_read":0,"user_id":"","duration":0.00012497,"size":0,"status":401,"resp_headers":{"X-Xss-Protection":["1; mode=block"],"X-Content-Type-Options":["nosniff"],"X-Frame-Options":["DENY"],"Www-Authenticate":["Basic realm=\"restricted\""],"Date":["Thu, 07 Sep 2023 20:24:33 GMT"],"Server":["Caddy"],"Strict-Transport-Security":["max-age=31536000"]}}
{"level":"error","ts":1694118288.446701,"logger":"http.log.access.log3","msg":"handled request","request":{"remote_ip":"10.100.100.20","remote_port":"59649","client_ip":"10.100.100.20","proto":"HTTP/3.0","method":"GET","host":"site.example.com","uri":"/author","headers":{"Accept":["text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"],"Sec-Fetch-Mode":["navigate"],"Sec-Fetch-Dest":["document"],"Accept-Encoding":["gzip, deflate, br"],"Sec-Fetch-Site":["none"],"Priority":["u=0, i"],"User-Agent":["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15"],"Accept-Language":["en-GB,en;q=0.9"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h3","server_name":"site.example.com"}},"bytes_read":0,"user_id":"","duration":0.000083178,"size":0,"status":401,"resp_headers":{"Server":["Caddy"],"Strict-Transport-Security":["max-age=31536000"],"X-Xss-Protection":["1; mode=block"],"X-Content-Type-Options":["nosniff"],"X-Frame-Options":["DENY"],"Www-Authenticate":["Basic realm=\"restricted\""],"Date":["Thu, 07 Sep 2023 20:24:48 GMT"]}}