直到最近我一直在使用vanilla apache安装，没有任何重大问题。
今天我安装了Nginx Admin（cpanel nginx插件），它作为Apache的反向代理来提供静态文件。
这一切都运作良好，并且我很满意地提升了性能。
然而，我的网站托管了大量的MP3文件，在使用Nginx之前，所有这些文件都会被浏览器缓存，这意味着用户只需要下载一次并且后续的监听是暂时的。
现在，安装了Nginx Admin后，浏览器每次都会从服务器请求文件。
我尝试将以下内容添加到我的nginx配置文件中： -
location ~* \.(mp3)$ {
expires max;
}
但即使这样也没有效果。可能导致这种情况的原因以及我可以尝试解决这个问题还有什么呢？
奇怪的是在apache下我的标题看起来像这样： -
Server Apache
Connection Keep-Alive
Keep-Alive timeout=5, max=98
Vary Accept-Encoding,User-Agent
缓存后返回304 Not Modified响应
并且安装了nginx管理员标题如下： -
Server nginx admin
Date Thu, 24 Nov 2011 12:46:27 GMT
Content-Type audio/mpeg
Content-Length 5263187
Last-Modified Mon, 26 Sep 2011 18:29:39 GMT
Connection keep-alive
Expires Thu, 01 Dec 2011 12:46:27 GMT
Cache-Control max-age=604800
X-Cache HIT from Backend
Accept-Ranges bytes
无论什么总是返回200 OK。
我的nginx配置文件如下： -
user nobody;
# no need for more workers in the proxy mode
worker_processes 4;
error_log /var/log/nginx/error.log info;
worker_rlimit_nofile 20480;
events {
worker_connections 5120; # increase for busier servers
use epoll; # you should use epoll here for Linux kernels 2.6.x
}
http {
server_name_in_redirect off;
server_names_hash_max_size 10240;
server_names_hash_bucket_size 1024;
include mime.types;
default_type application/octet-stream;
server_tokens off;
sendfile on;
tcp_nopush on;
tcp_nodelay on;
keepalive_timeout 5;
gzip on;
gzip_vary on;
gzip_disable "MSIE [1-6]\.";
gzip_proxied any;
gzip_http_version 1.1;
gzip_min_length 1000;
gzip_comp_level 6;
gzip_buffers 16 8k;
# You can remove image/png image/x-icon image/gif image/jpeg if you have slow CPU
gzip_types text/plain text/xml text/css application/x-javascript application/xml image/png image/x-icon image/gif image/jpeg application/xml+rss text/javascript application/atom+xml;
ignore_invalid_headers on;
client_header_timeout 3m;
client_body_timeout 3m;
send_timeout 3m;
reset_timedout_connection on;
connection_pool_size 256;
client_header_buffer_size 256k;
large_client_header_buffers 4 256k;
client_max_body_size 200M;
client_body_buffer_size 128k;
request_pool_size 32k;
output_buffers 4 32k;
postpone_output 1460;
proxy_temp_path /tmp/nginx_proxy/;
client_body_in_file_only on;
log_format bytes_log "$msec $bytes_sent .";
include "/etc/nginx/vhosts/*";
}
包含此特定于域的文件： -
server {
error_log /var/log/nginx/vhost-error_log warn;
listen x.x.x.x:x;
server_name songbanc.com www.songbanc.com;
access_log /usr/local/apache/domlogs/mydomain.com-bytes_log bytes_log;
access_log /usr/local/apache/domlogs/mydomain.com combined;
root /home/mydomain/public_html;
location / {
location ~.*\.(3gp|gif|jpg|jpeg|png|ico|wmv|avi|asf|asx|mpg|mpeg|mp4|pls|mp3|mid|wav|swf|flv|html|htm|txt|js|css|exe|zip|tar|rar|gz|tgz|bz2|uha|7z|doc|docx|xls|xlsx|pdf|iso)$ {
expires 7d;
try_files $uri @backend;
}
error_page 405 = @backend;
add_header X-Cache "HIT from Backend";
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location @backend {
internal;
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location ~ .*\.(php|jsp|cgi|pl|py)?$ {
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location ~ /\.ht {
deny all;
}
location ~* \.(mp3)$ {
expires max;
}
}
答案 0 :(得分：3)
我认为原因可能是因为你的conf文件不必要地复杂，错误开始蔓延到这样的配置中。
location ~ .*\.(php|jsp|cgi|pl|py)?$应为location ~ .*\.(php|jsp|cgi|pl|py)$。
同样不需要位于/下的长嵌套if块。
add_header X-Cache指令应该在proxy.inc。
诸如“@backend”之类的命名位置不需要“内部”指令。
无论如何，在删除之后，我们留下了：
server {
error_log /var/log/nginx/vhost-error_log warn;
listen x.x.x.x:x;
server_name songbanc.com www.songbanc.com;
access_log /usr/local/apache/domlogs/mydomain.com-bytes_log bytes_log;
access_log /usr/local/apache/domlogs/mydomain.com combined;
root /home/mydomain/public_html;
index index.html index.php;
error_page 418 = @backend;
location / {
expires 7d;
add_header Cache-Control "public";
try_files $uri $uri/ @backend;
}
location ~* \.mp3$ {
# Add rewrite rules to handle these requests here
add_header Cache-Control "public";
expires max;
}
location ~ .*\.(php|jsp|cgi|pl|py)$ {
return 418;
}
location @backend {
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location ~ /\.ht {
deny all;
}
}
这应该缓存静态文件而不缓存动态文件。要求从后端翻译mp3块的重写规则。
或者，您可以将mp3请求传递给后端。
server {
error_log /var/log/nginx/vhost-error_log warn;
listen x.x.x.x:x;
server_name songbanc.com www.songbanc.com;
access_log /usr/local/apache/domlogs/mydomain.com-bytes_log bytes_log;
access_log /usr/local/apache/domlogs/mydomain.com combined;
root /home/mydomain/public_html;
index index.html index.php;
error_page 418 = @backend;
location / {
expires 7d;
add_header Cache-Control "public";
try_files $uri $uri/ @backend;
}
location ~* \.mp3$ {
add_header Cache-Control "public";
expires max;
return 418;
}
location ~ .*\.(php|jsp|cgi|pl|py)$ {
return 418;
}
location @backend {
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location ~ /\.ht {
deny all;
}
}
如果在触发重定向时没有清除诸如“expires”和“add_header”之类的指令，我不能100％确定。如果你发现你没有使用上面的配置获得你的标题，那么稍微长一点就应该这样做。
server {
error_log /var/log/nginx/vhost-error_log warn;
listen x.x.x.x:x;
server_name songbanc.com www.songbanc.com;
access_log /usr/local/apache/domlogs/mydomain.com-bytes_log bytes_log;
access_log /usr/local/apache/domlogs/mydomain.com combined;
root /home/mydomain/public_html;
index index.html index.php;
error_page 418 = @backend;
location / {
expires 7d;
add_header Cache-Control "public";
try_files $uri $uri/ @backend;
}
location ~* \.mp3$ {
error_page 418 = @backend_alt;
return 418;
}
location ~ .*\.(php|jsp|cgi|pl|py)$ {
return 418;
}
location @backend {
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
}
location @backend_alt {
proxy_pass http://x.x.x.x:8081;
include proxy.inc;
add_header Cache-Control "public";
expires max;
}
location ~ /\.ht {
deny all;
}
}