nginx 小白， nginx 启动后 80 端口无法访问

user  root;

worker_processes        auto;
# worker_cpu_affinity     auto;

error_log   /home/admin/kaoshixing/nginx/logs/error.log;
pid         /home/admin/kaoshixing/nginx/logs/nginx.pid;

worker_rlimit_nofile 65535;

events {
    use epoll;
    worker_connections  20480;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    fastcgi_intercept_errors on;

    log_format milog '$server_addr\t$hostname\t$remote_addr\t$http_x_forwarded_for\t$time_local\t$request_uri\t$request_length\t$bytes_sent\t$request_time\t$status\t$upstream_addr\t$upstream_cache_status\t$upstream_response_time\t$http_user_agent\t';

    ####full-format log for debug
    log_format debug_log '$remote_addr\t$server_addr\t$hostname\t$time_local\t$host\t$request\t$status\t$body_bytes_sent\t$http_referer\t$http_user_agent\t$http_x_forwarded_for\t$request_uri\t$request_length\t$bytes_sent\t$request_body\t$request_time\t$upstream_response_time\t$upstream_addr\t$upstream_cache_status';

    access_log  /home/admin/kaoshixing/log/nginx/access.log  milog;

    sendfile        on;
    keepalive_timeout  65;

    client_max_body_size 120m;
    server_names_hash_bucket_size 128;

    proxy_headers_hash_bucket_size 128;
    proxy_headers_hash_max_size 8192;

    proxy_connect_timeout    10;
    proxy_read_timeout       120;
    proxy_send_timeout       120;
    proxy_buffer_size        16k;
    proxy_buffers            4 64k;
    proxy_busy_buffers_size 128k;
    proxy_temp_file_write_size 128k;

    gzip on;
    gzip_types application/json application/x-json text/plain application/x-javascript text/css text/javascript application/xml text/xml  image/jpeg image/gif image/png;
    gzip_proxied     expired no-cache no-store private auth;
    gzip_min_length 1k;
    gzip_buffers 16 64k;
    gzip_http_version 1.1;
    gzip_comp_level 6;
    gzip_vary on;

    limit_req_zone $server_port zone=tp:500m rate=1700r/s;
    limit_req_zone $server_port zone=tps:500m rate=1100r/s;
    limit_req_zone $binary_remote_addr zone=tip:500m rate=100r/s;

    include /home/admin/kaoshixing/nginx/site-enable/*.conf;
}

upstream kaoshixing.com_backend{
       server 0.0.0.0:8888 weight=1 max_fails=2 fail_timeout=30s;
}


server {
   listen 80;
   server_name  www.kaoshixing.com;

   access_log /home/admin/kaoshixing/nginx/logs/ksxing.com.log milog;

   location / {
       proxy_set_header Host $host;
       proxy_set_header X-Forwarded-For $remote_addr;
       proxy_pass http://kaoshixing.com_backend;
   }

}

server {
       listen 443 ssl;
       server_name www.kaoshixing.com;
       access_log /home/admin/kaoshixing/nginx/logs/ksxing.com.log milog;

       ssl on;
       ssl_certificate         ssl/kaoshixing.com.crt;
       ssl_certificate_key     ssl/kaoshixing.com.key;

       ssl_session_cache  shared:SSL:80m;
       ssl_session_timeout  5m;
       ssl_protocols  SSLv2 SSLv3 TLSv1;
       ssl_ciphers RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP;
       ssl_prefer_server_ciphers   on;

       location / {
               proxy_set_header Host $host;
               proxy_set_header X-Forwarded-For $remote_addr;
               proxy_pass http://kaoshixing.com_backend;
               proxy_redirect http://www.kaoshixing.com https://www.kaoshixing.com;
       }

}

server {
   listen 80;
   server_name  kaoshixing.com;

   access_log /home/admin/kaoshixing/nginx/logs/ksxing.com.log milog;

   location / {
       rewrite ^(.*) http://www.$host$1 redirect;
   }

}

第 1 条附言 · 2017-03-08 13:59:07 +08:00

确认了一下， 80 端口的确是不通，现在可以通过 8888 端口访问，那么问题来了：我还需要配置 nginx 吗？ gunicorn 运行通过 8888 端口访问能满足需求。

第 2 条附言 · 2017-03-11 17:30:00 +08:00

搞明白了：
现在是我用 gunicorn 启动 8888 端口，但是访问多了就访问不了了，应该是 gunicorn ，多少了进程，就支持多少个人访问，超了就访问不了了
现在加上 nginx 反向代理了，那么就支持高并发了
但是因为没有备案所以 80 端口是关闭的，我配置的是 2017 端口，配置文件如下：
```
upstream kaoshixing.com_backend{
server 127.0.0.1:8888 weight=1 max_fails=2 fail_timeout=30s;
}

server {
listen 2017 default_server;
server_name shb.kohixg.com;

access_log /home/admin/kosixg/nginx/logs/ksxing.com.log milog;

location / {
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $remote_addr;
proxy_pass http://kaoshixing.com_backend;
}
}
```
这样的话就可以访问 2017 端口了。
但是新的问题又来了：我用 2017 端口访问网站，有时候点击别的链接，会跳到 80 端口上（访问不了），这是为什么呢？

19 条回复 • 2017-03-21 16:57:49 +08:00