Hello, I have an nginx proxy which suddenly adding 2 cache-control headers and the last modified time is always the current time:
curl -I https://example.com/hls/5d15498d3b4e13.57348983/1280_720_3200_5d15498d3b4e13.57348983.m3u8?token=st=1563488654~exp=1563575054~acl=/hls/5d15498d3b4e13.57348983/*~hmac=863d655766652601b77c0ba1fc94a60039c4c800d9ac7097b68edfa77b9c1cdb HTTP/1.1 200 OK Server: nginx/1.17.0 Date: Thu, 18 Jul 2019 22:28:34 GMT Content-Type: application/vnd.apple.mpegurl Last-Modified: Thu, 18 Jul 2019 22:28:34 GMT Connection: keep-alive Expires: Thu, 18 Jul 2019 23:28:34 GMT Cache-Control: private, max-age=3600, max-stale=0 Cache-Control: public max-age=31536000 s-maxage=31536000 Access-Control-Allow-Origin: * Access-Control-Allow-Credentials: true Access-Control-Allow-Headers: DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Origin,X-Auth-Token,Authorization,Accept,Client-Security-Token Access-Control-Allow-Methods: OPTIONS, GET and this is the config: server { listen 443 ssl; server_name example.com; # security for bypass so localhost can empty cache if ($remote_addr ~ "^(127.0.0.1)$") { set $bypass $http_secret_header; } location '/.well-known/acme-challenge' { root /usr/local/www/example.com; allow all; default_type "text/plain"; } if ($arg_token) { set $test_token $arg_token; } if ($cookie_token) { set $test_token $cookie_token; } location / { #Proxy related config proxy_cache s3_cache; proxy_http_version 1.1; proxy_read_timeout 10s; proxy_send_timeout 10s; proxy_connect_timeout 10s; proxy_cache_methods GET HEAD; proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504; proxy_cache_lock on; proxy_cache_revalidate on; proxy_intercept_errors on; proxy_cache_lock_age 10s; proxy_cache_lock_timeout 1h; proxy_cache_background_update on; proxy_cache_valid 200 301 302 30d; proxy_pass https://s3/; proxy_cache_bypass $cookie_nocache $arg_nocache; proxy_cache_key "$scheme$host$request_uri"; #Proxy Buffers proxy_buffering on; proxy_buffer_size 1k; proxy_buffers 24 4k; proxy_busy_buffers_size 8k; proxy_max_temp_file_size 2048m; proxy_temp_file_write_size 32k; #Add Headers add_header Cache-Control 'public max-age=31536000 s-maxage=31536000'; add_header X-Cache-Status $upstream_cache_status always; add_header X-Proxy-Cache $upstream_cache_status; add_header 'Access-Control-Allow-Origin' '*'; add_header 'Access-Control-Allow-Credentials' 'true'; add_header 'Access-Control-Allow-Headers' 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Origin,X-Auth-Token,Authorization,Accept,Client-Security-Token'; add_header 'Access-Control-Allow-Methods' 'OPTIONS, GET'; #Header related config proxy_set_header Connection ""; proxy_set_header Authorization ''; proxy_set_header Host 'xxxxx.s3.amazonaws.com'; proxy_hide_header x-amz-id-2; proxy_hide_header x-amz-request-id; proxy_hide_header x-amz-meta-server-side-encryption; proxy_hide_header x-amz-server-side-encryption; proxy_hide_header Set-Cookie; proxy_hide_header x-amz-storage-class; proxy_ignore_headers Set-Cookie; proxy_ignore_headers Cache-Control; proxy_ignore_headers X-Accel-Expires Expires; # enable thread bool aio threads=default; akamai_token_validate $test_token; akamai_token_validate_key xxxxxxxxxxxxxxx; secure_token $token; secure_token_types text/xml application/vnd.apple.mpegurl; secure_token_content_type_f4m text/xml; secure_token_expires_time 100d; secure_token_query_token_expires_time 1h; secure_token_tokenize_segments on; } } I don't know why is adding this control header: Cache-Control: private, max-age=3600, max-stale=0 I don't have this in the config. Also, I re-installed Nginx but still getting the same issue Thanks Andrew
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