本文适用于 php7.4+NGINX环境，适用于运行 wordpress 环境
一、更新服务器
sudo apt update二、命令快捷缩写设置
通过ssh登录服务器，在用户目次下执行以下命令
sudo nano .bashrcalias ngt='sudo nginx -t'alias ngr='sudo systemctl reload nginx'alias fpmr='sudo systemctl reload php7.4-fpm'alias rr='sudo systemctl restart redis'alias mdr='sudo systemctl restart mariadb'alias rb='sudo reboot'alias fup='sudo apt-get -y update;sudo apt-get -y full-upgrade;sudo apt-get -y autoremove; sudo apt-get -y autoclean'按CTRL+S生存, CTRL+X退出
执行
source .bashrc重启服务器使简化命令见效
后面要重启 nginx 或者 重载 nginx 只需要执行 ngt 或者 ngr 即可！
三、设置 nginx.conf
通常位于 /etc/nginx 目次下
# HTTP Header Server Delete for information leakload_module modules/ngx_http_headers_more_filter_module.so;# Run as a unique, less privileged user for security reasons.# Default: nobody nobodyuser www-data www-data;# Sets the worker threads to the number of CPU cores available in the system for best performance.# Should be > the number of CPU cores.# Maximum number of connections = worker_processes * worker_connections# Default: 1worker_processes auto;# Maximum number of open files per worker process.# Should be > worker_connections.# Default: no limitworker_rlimit_nofile 15000;events { # If you need more connections than this, you start optimizing your OS. # That's probably the point at which you hire people who are smarter than you as this is *a lot* of requests. # Should be < worker_rlimit_nofile. # Default: 512 worker_connections 4096; multi_accept on; use epoll;}# Log errors to this file# This is only used when you don't override it on a server{} level# Default: logs/error.log errorerror_log /var/log/nginx/error.log error;# The file storing the process ID of the main process# Default: nginx.pidpid /var/run/nginx.pid;http { # Basic Settings server_tokens off; more_clear_headers 'Server'; server_names_hash_bucket_size 64; # Webp Map Directives map $http_accept $webp_suffix { default ""; "~*webp" ".webp"; } # Specify MIME types for files. include mime.types; # Rate Limit limit_req_zone $binary_remote_addr zone=one:10m rate=30r/m; # Default: text/plain default_type application/octet-stream; # Update charset_types to match updated mime.types. # text/html is always included by charset module. # Default: text/html text/xml text/plain text/vnd.wap.wml application/javascript application/rss+xml charset_types text/css text/plain text/vnd.wap.wml application/javascript application/json application/rss+xml application/xml; # Include $http_x_forwarded_for within default format used in log files log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; # Log access to this file # This is only used when you don't override it on a server{} level # Default: logs/access.log combined # access_log /var/log/nginx/access.log main; access_log none; # 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: 75s keepalive_timeout 100s; keepalive_requests 1000; # Timeout for reading client request body. # Default: 60s client_body_timeout 3m; # Timeout for reading client request header. # Default: 60s client_header_timeout 3m; # Timeout for transmitting reponse to client. # Default: 60s send_timeout 3m; # Set the maximum allowed size of client request body. This should be set # to the value of files sizes you wish to upload to the server. # You may also need to change the values `upload_max_filesize` and `post_max_size` within # your php.ini for the changes to apply. # Default: 1mB client_max_body_size 64m; client_body_buffer_size 10k; client_header_buffer_size 1k; large_client_header_buffers 4 32k; # Some WP plugins that push large amounts of data via cookies # can cause 500 HTTP erros if these values aren't increased. # Default: 8 4k|8k; fastcgi_buffers 16 16k; # Default: 4k|8k fastcgi_buffer_size 32k; # Some other Fastcgi configs fastcgi_busy_buffers_size 64k; fastcgi_temp_file_write_size 64k; fastcgi_read_timeout 300; # File Handler Cache open_file_cache max=1500 inactive=30s; open_file_cache_valid 30s; open_file_cache_min_uses 5; open_file_cache_errors off; # Speed up file transfers by using sendfile() to copy directly # between descriptors rather than using read()/write(). # For performance reasons, on FreeBSD systems w/ ZFS # this option should be disabled as ZFS's ARC caches # frequently used files in RAM by default. # Default: off sendfile on; # Don't send out partial frames; this increases throughput # since TCP frames are filled up before being sent out. # Default: off tcp_nopush on; # Enable gzip compression. # Default: off gzip on; gzip_disable "msie6"; gzip_buffers 16 8k; gzip_http_version 1.1; # 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). # Default: 1 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). # Default: 20 gzip_min_length 256; # Compress data even for clients that are connecting to us via proxies, # identified by the "Via" header (required for CloudFront). # Default: off 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. # Default: off gzip_vary on; # Compress all output labeled with one of the following MIME-types. # text/html is always compressed by gzip module. # Default: text/html gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy; # 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; # Include files in the sites-enabled folder. server{} configuration files should be # placed in the sites-available folder, and then the configuration should be enabled # by creating a symlink to it in the sites-enabled folder. # See doc/sites-enabled.md for more info. include sites-enabled/*;}四、设置站点nginx设置 [防止攻击]
位置通常位于 /etc/nginx/sites-available/{{domain}}/server
1、新建 block-agent.conf
sudo nano block-agent.conf#### BLOCK USER AGENTS###set $block_user_agents 0;if ($http_user_agent ~ "Screaming Frog SEO Spider") { set $block_user_agents 1;}if ($http_user_agent ~ "Indy Library") { set $block_user_agents 1;}if ($http_user_agent ~ "libwww-perl") { set $block_user_agents 1;}if ($http_user_agent ~ "GetRight") { set $block_user_agents 1;}if ($http_user_agent ~ "GetWeb!") { set $block_user_agents 1;}if ($http_user_agent ~ "Go!Zilla") { set $block_user_agents 1;}if ($http_user_agent ~ "Download Demon") { set $block_user_agents 1;}if ($http_user_agent ~ "Go-Ahead-Got-It") { set $block_user_agents 1;}if ($http_user_agent ~ "TurnitinBot") { set $block_user_agents 1;}if ($http_user_agent ~ "GrabNet") { set $block_user_agents 1;}if ($http_user_agent ~ "dirbuster") { set $block_user_agents 1;}if ($http_user_agent ~ "nikto") { set $block_user_agents 1;}if ($http_user_agent ~ "SF") { set $block_user_agents 1;}if ($http_user_agent ~ "sqlmap") { set $block_user_agents 1;}if ($http_user_agent ~ "fimap") { set $block_user_agents 1;}if ($http_user_agent ~ "nessus") { set $block_user_agents 1;}if ($http_user_agent ~ "whatweb") { set $block_user_agents 1;}if ($http_user_agent ~ "Openvas") { set $block_user_agents 1;}if ($http_user_agent ~ "jbrofuzz") { set $block_user_agents 1;}if ($http_user_agent ~ "libwhisker") { set $block_user_agents 1;}if ($http_user_agent ~ "webshag") { set $block_user_agents 1;}if ($http_user_agent ~ "Acunetix-Product") { set $block_user_agents 1;}if ($http_user_agent ~ "Acunetix") { set $block_user_agents 1;}if ($block_user_agents = 1) { return 403;}2.新建 protext-sql-exploit-spam.conf
sudo nano protext-sql-exploit-spam.conf#### SQL INJECTIONS###set $block_sql_injections 0;if ($query_string ~ "union.*select.*\(") { set $block_sql_injections 1;}if ($query_string ~ "union.*all.*select.*") { set $block_sql_injections 1;}if ($query_string ~ "concat.*\(") { set $block_sql_injections 1;}if ($block_sql_injections = 1) { return 403;}#### COMMON EXPLOITS###set $block_common_exploits 0;if ($query_string ~ "(|%3E)") { set $block_common_exploits 1;}if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") { set $block_common_exploits 1;}if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") { set $block_common_exploits 1;}if ($query_string ~ "proc/self/environ") { set $block_common_exploits 1;}if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") { set $block_common_exploits 1;}if ($query_string ~ "base64_(en|de)code\(.*\)") { set $block_common_exploits 1;}if ($block_common_exploits = 1) { return 403;}#### BLOCK SPAM###set $block_spam 0;if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") { set $block_spam 1;}if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") { set $block_spam 1;}if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") { set $block_spam 1;}if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") { set $block_spam 1;}if ($block_spam = 1) { return 403;}3、新建 rate-limit.conf
#### Rate Limit for wp-login.php#### domain1不带.com后缀# domain2 完备域名location = /wp-login.php {limit_req zone=one burst=2 nodelay;limit_req_status 444;include fastcgi.conf;fastcgi_pass unix:/run/php/php7.4-{{domain1}}.sock;include sites-available/{{domain2}}/location/*;}五、设置 redis
通常位于 /etc/redis/redis.conf
maxmemory 1024mb maxmemory-policy allkeys-lru六、设置 wp-config.php
/* Memory */define( 'WP_MEMORY_LIMIT', '1024M' );/* Undertstand which query */define('SAVEQUERIES', true);/* Disable WP Cron */define( 'DISABLE_WP_CRON', true );/* Auto Update */define( 'WP_AUTO_UPDATE_CORE', false );/* Debuging */define( 'WP_DEBUG', true );define( 'WP_DEBUG_DISPLAY', false );define( 'WP_DEBUG_LOG', true );/* Dont Allow File Edit */define( 'DISALLOW_FILE_EDIT', true );
关于PHP设置，由于代码太长，不方便贴出来。下一遍我们将会把以上代码做成sh文件，一键自动执行优化。
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