server-configs-nginx/nginx/nginx.conf

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Nginx Configuration File
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# nginx Configuration File
# http://wiki.nginx.org/Configuration
# Run as a less privileged user for security reasons.
user www www;
# How many worker threads to run;
# "auto" sets it to the number of CPU cores available in the system, and
# offers the best performance. Don't set it higher than the number of CPU
# cores if changing this parameter.
# The maximum number of connections for Nginx is calculated by:
# max_clients = worker_processes * worker_connections
worker_processes auto;
# Maximum open file descriptors per process;
# should be > worker_connections.
worker_rlimit_nofile 8192;
events {
# When you need > 8000 * cpu_cores connections, you start optimizing your OS,
# and this is probably the point at where you hire people who are smarter than
# you, as this is *a lot* of requests.
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worker_connections 8000;
}
# Default error log file
# (this is only used when you don't override error_log on a server{} level)
error_log logs/error.log warn;
pid /var/run/nginx.pid;
http {
# Hide nginx version information.
server_tokens off;
# Define the MIME types for files.
include /etc/nginx/mime.types;
default_type application/octet-stream;
# Format to use in log files
log_format main '$remote_addr - $remote_user [$time_local] "$request" '
'$status $body_bytes_sent "$http_referer" '
'"$http_user_agent" "$http_x_forwarded_for"';
# Default log file
# (this is only used when you don't override access_log on a server{} level)
access_log logs/access.log main;
# How long to allow each connection to stay idle; longer values are better
# for each individual client, particularly for SSL, but means that worker
# connections are tied up longer. (Default: 65)
keepalive_timeout 20;
# Speed up file transfers by using sendfile() to copy directly
# between descriptors rather than using read()/write().
sendfile on;
# Tell Nginx not to send out partial frames; this increases throughput
# since TCP frames are filled up before being sent out. (adds TCP_CORK)
tcp_nopush on;
# Tell Nginx to enable the Nagle buffering algorithm for TCP packets, which
# collates several smaller packets together into one larger packet, thus saving
# bandwidth at the cost of a nearly imperceptible increase to latency. (removes TCP_NODELAY)
tcp_nodelay off;
# Compression
# Enable Gzip compressed.
gzip on;
# Enable compression both for HTTP/1.0 and HTTP/1.1 (required for CloudFront).
gzip_http_version 1.0;
# Compression level (1-9).
# 5 is a perfect compromise between size and cpu usage, offering about
# 75% reduction for most ascii files (almost identical to level 9).
gzip_comp_level 5;
# Don't compress anything that's already small and unlikely to shrink much
# if at all (the default is 20 bytes, which is bad as that usually leads to
# larger files after gzipping).
gzip_min_length 256;
# Compress data even for clients that are connecting to us via proxies,
# identified by the "Via" header (required for CloudFront).
gzip_proxied any;
# Tell proxies to cache both the gzipped and regular version of a resource
# whenever the client's Accept-Encoding capabilities header varies;
# Avoids the issue where a non-gzip capable client (which is extremely rare
# today) would display gibberish if their proxy gave them the gzipped version.
gzip_vary on;
# Compress all output labeled with one of the following MIME-types.
gzip_types
application/atom+xml
application/javascript
application/json
application/rss+xml
application/vnd.ms-fontobject
application/x-font-ttf
application/x-web-app-manifest+json
application/xhtml+xml
application/xml
font/opentype
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image/svg+xml
image/x-icon
text/css
text/plain
text/x-component;
# text/html is always compressed by HttpGzipModule
# This should be turned on if you are going to have pre-compressed copies (.gz) of
# static files available. If not it should be left off as it will cause extra I/O
# for the check. It is best if you enable this in a location{} block for
# a specific directory, or on an individual server{} level.
# gzip_static on;
# Protect against the BEAST attack by preferring RC4-SHA when using SSLv3 and TLS protocols.
# Note that TLSv1.1 and TLSv1.2 are immune to the beast attack but only work with OpenSSL v1.0.1 and higher and has limited client support.
ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers RC4:HIGH:!aNULL:!MD5;
ssl_prefer_server_ciphers on;
# Optimize SSL by caching session parameters for 10 minutes. This cuts down on the number of expensive SSL handshakes.
# The handshake is the most CPU-intensive operation, and by default it is re-negotiated on every new/parallel connection.
# By enabling a cache (of type "shared between all Nginx workers"), we tell the client to re-use the already negotiated state.
# Further optimization can be achieved by raising keepalive_timeout, but that shouldn't be done unless you serve primarily HTTPS.
ssl_session_cache shared:SSL:10m; # a 1mb cache can hold about 4000 sessions, so we can hold 40000 sessions
ssl_session_timeout 10m;
# This default SSL certificate will be served whenever the client lacks support for SNI (Server Name Indication).
# Make it a symlink to the most important certificate you have, so that users of IE 8 and below on WinXP can see your main site without SSL errors.
#ssl_certificate /etc/nginx/default_ssl.crt;
#ssl_certificate_key /etc/nginx/default_ssl.key;
include sites-enabled/*;
}