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這篇文章主要介紹“nginx 503 Service Temporarily Unavailable錯誤如何解決”,在日常操作中,相信很多人在nginx 503 Service Temporarily Unavailable錯誤如何解決問題上存在疑惑,小編查閱了各式資料,整理出簡單好用的操作方法,希望對大家解答”nginx 503 Service Temporarily Unavailable錯誤如何解決”的疑惑有所幫助!接下來,請跟著小編一起來學習吧!
最近網站刷新后經常出現503 service temporarily unavailable錯誤,有時有可以,聯想到最近在nginx.conf里做了單ip訪問次數限制,(limit_req_zone $binary_remote_addr zone=allips:20m rate=20r/s;) 把這個數量放大后在刷新發現問題解決。(還順便把這個改大了 limit_req zone=allips burst=50 nodelay; )為了證實該問題,反復改動該數量測試發現問題確實在這。這個數量設得太小有問題,通過fiddler發現web頁面刷新一下,因為頁面上引用的js,css,圖片都算一個連接。所以單個頁面刷新下就有可能刷爆這個限制,超過這個限制就會提示503 service temporarily unavailable。
附上nginx.conf
#user nobody; worker_processes 1; #worker_rlimit_nofile 100000; #error_log logs/error.log; #error_log logs/error.log notice; #error_log logs/error.log info; #pid logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; ##cache## proxy_connect_timeout 5; proxy_read_timeout 60; proxy_send_timeout 5; proxy_buffer_size 16k; proxy_buffers 4 64k; proxy_busy_buffers_size 128k; proxy_temp_file_write_size 128k; proxy_temp_path /home/temp_dir; proxy_cache_path /usr/local/nginx/cache levels=1:2 keys_zone=cache_one:200m inactive=1d max_size=30g; ##end## #limit per ip per second access times 10 limit_req_zone $binary_remote_addr zone=allips:20m rate=20r/s; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; upstream myweb80{ ip_hash; server 192.168.3.105:80; server 192.168.3.103:80; } upstream myweb8080{ ip_hash; server 192.168.3.222:10080; #server 192.168.3.103:8080; } upstream myweb10086{ ip_hash; server 192.168.3.102:10086; server 192.168.3.108:10086; } upstream myweb443{ ip_hash; server 192.168.3.105:443; server 192.168.3.103:443; } # another virtual host using mix of ip-, name-, and port-based configuration # server { listen 80; allow 218.17.158.2; allow 127.0.0.0/24; allow 192.168.0.0/16; allow 58.251.130.1; allow 183.239.167.3; allow 61.145.164.1; deny all; server_name myweb.com; location / { proxy_pass http://myweb80; proxy_set_header x-real-ip $remote_addr; limit_req zone=allips burst=50 nodelay; } } server { listen 8080; allow 218.17.158.2; allow 127.0.0.0/24; allow 192.168.0.0/16; allow 58.251.130.1; allow 183.239.167.3; allow 61.145.164.1; deny all; location / { proxy_pass http://myweb8080; proxy_set_header x-real-ip $remote_addr; limit_req zone=allips burst=50 nodelay; } } # https server # server { listen 10086 ssl; server_name localhost; allow 218.17.158.2; allow 127.0.0.0/24; allow 192.168.0.0/16; allow 58.251.130.1; allow 183.239.167.3; allow 61.145.164.1; #deny all; ssl_certificate ssl/1_www.myweb.com_bundle.crt; ssl_certificate_key ssl/2_www.myweb.com.key; # ssl_session_cache shared:ssl:1m; # ssl_session_timeout 5m; # ssl_ciphers high:!anull:!md5; # ssl_prefer_server_ciphers on; location / { proxy_pass https:// myweb10086; #roft html; #index index.html index.htm; } } 服務器{ listen 443 ssl; server_name localhost; ssl_certificate ssl / 1_www.myweb.com_bundle.crt; ssl_certificate_key ssl / 2_www.myweb.com.key; #ssl_session_cache共享:ssl:1m; #ssl_session_timeout 5m; #ssl_ciphers high:!anull:!md5; #ssl_prefer_server_ciphers on; location / { proxy_pass https:// myweb443; #roft html; #roft html; #index index.html index.htm; } } }
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