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cPanel Configuration Files and Handy Commands for Shell

Since I use cPanel and CentOS alot now a days, I want to make sure that I have a handy place I can keep and search for anything I might need for configuring or managing the servers.

Without any further ado, I present you the most comprehensive list of cPanel Stuff, I have ever seen 😉

Configurations and Services They Are Tied To

• CPanel

  • Configuration File: cpanel.config
  • Path: /var/cpanel/cpanel.config
  • Service: cpanel

• Apache

  • Default Port: 80
  • Configuration File: httpd.conf
  • Path: /etc/httpd/conf/httpd.conf Or /usr/local/apache/conf/httpd.conf
  • Service: httpd

• Exim

  • Configuration File: exim.conf
  • Path: /etc/exim.conf
  • Service: exim

• Bind

  • Default Port: 53
  • Configuration File: named.conf
  • Path: /etc/named.conf
  • Service: named
  • DB location: /var/named

• FTP server

  • proftp
    • Default Port: 20, 21
    • Configuration File: proftpd.conf
    • Path: /etc/proftpd.conf
    • Service: proftpd
  • pureftp
    • Default Port: 20, 21
    • Configuration File: pure-ftpd.conf
    • Path: /etc/pure-ftpd.conf
    • Service: pure-ftpd

• MySQL

  • Default Port: 3306
  • Configuration File: my.cnf
  • Path: /etc/my.cnf
  • Service: mysql
  • Recommended Configuration

    • query_cache_type=1
      query_cache_size=16M
      query_cache_limit=1M
      sort_buffer_size=4M
      join_buffer_size=4M
      tmp_table_size=4M
      max_heap_table_size=4M
      thread_cache_size=16M
      max_connections=250
      max_allowed_packet=16M
      key_buffer_size=128M
      read_buffer_size=256K

• PHP

  • Configuration File: php.ini
  • Path: /usr/local/lib/php.ini
  • Recommended Configuration

• nGinx

  • Configuration File: nginx.conf
  • Path: /etc/nginx/nginx.conf
  • Service: nginx
  • Recommended Global Configuration

    • user www-data;
      worker_processes 8;
      pid /run/nginx.pid;
      
      events {
       worker_connections 768;
       # multi_accept on;
      }
      
      http {
      
       sendfile on;
       tcp_nopush on;
       tcp_nodelay on;
       keepalive_timeout 10;
       types_hash_max_size 2048;
       server_tokens off;
       fastcgi_read_timeout 3600;
       include /etc/nginx/mime.types;
       default_type application/octet-stream;
       access_log /var/log/nginx/access.log;
       error_log /var/log/nginx/error.log;
       gzip on;
       gzip_disable "msie6";
       gzip_vary on;
       gzip_proxied any;
       gzip_comp_level 9;
       gzip_buffers 16 32k;
       gzip_min_length 50;
       gzip_types 
       text/css
       text/plain
       text/javascript
       application/javascript
       application/json
       application/x-javascript
       application/xml
       application/xml+rss
       application/xhtml+xml
       application/x-font-ttf
       application/x-font-opentype
       application/vnd.ms-fontobject
       image/svg+xml
       image/x-icon
       application/rss+xml
       application/atom_xml;
       
       ignore_invalid_headers on;
       client_max_body_size 1024M;
       client_body_buffer_size 15m;
       client_header_timeout 400;
       client_body_timeout 400;
       send_timeout 400;
       connection_pool_size 256;
       client_header_buffer_size 4k;
       large_client_header_buffers 4 32k;
       request_pool_size 4k;
       output_buffers 4 32k;
       postpone_output 1460;
       open_file_cache max=10000 inactive=10m;
       open_file_cache_valid 2m;
       open_file_cache_min_uses 1;
       open_file_cache_errors on;
       include /etc/nginx/conf.d/*.conf;
       include /etc/nginx/sites-enabled/*;
      }
      

  • Recommended VHost Configuration
    
    • NOTE: Since CPanel needs Apache to run, we have to set nGinx and php-fpm as proxies.  This one is made special for WordPress

    • server {
       listen 80;
       server_name www.yourdomainname.com;
       rewrite ^(.*) http://yourdomainname.com$1 permanent;
      }
      server {
       listen 80;
       server_name yourdomainname.com;
      
       client_max_body_size 5m;
       client_body_timeout 60;
      
       access_log /var/log/nginx/yourdomainname.com.log;
       error_log /var/log/nginx/yourdomainname.com error;
      
       root /home/theaccountname/public_html;
       index index.html index.php;
      
       ### root directory ###
       location / {
       try_files $uri $uri/ /index.php?$args;
       }
      
       ### security ###
       error_page 403 =404;
       location ~ /. { access_log off; log_not_found off; deny all; }
       location ~ ~$ { access_log off; log_not_found off; deny all; }
       location ~* wp-admin/includes { deny all; }
       location ~* wp-includes/theme-compat/ { deny all; }
       location ~* wp-includes/js/tinymce/langs/.*.php { deny all; }
       location /wp-includes/ { internal; }
       #location ~* wp-config.php { deny all; }
       location ~* ^/wp-content/uploads/.*.(html|htm|shtml|php)$ {
       types { }
       default_type text/plain;
       }
      
      	# Uncomment this to block access
       # location ~* wp-admin {
       # allow <YOUR_IP>;
       # allow 127.0.0.1;
       # deny all;
       # }
      
       ### disable logging ###
       location = /robots.txt { access_log off; log_not_found off; }
       location = /favicon.ico { access_log off; log_not_found off; }
      
       ### caches ###
       include /etc/nginx/conf.d/caches.conf;
      
       ### php block ###
       location ~ .php?$ {
       try_files $uri =404;
       include fastcgi_params;
       #fastcgi_pass 127.0.0.1:9001;
       fastcgi_pass unix:/var/run/php-main.socket;
       fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
       fastcgi_intercept_errors on;
       fastcgi_split_path_info ^(.+.php)(.*)$;
       #Prevent version info leakage
       fastcgi_hide_header X-Powered-By;
       }
      }

• php-fpm

  • Configuration File: www.conf
  • Path: /etc/php-fpm.d/www.conf
  • Service: php5-fpm
  • Recommended Configuration

    • user = nginx
      group = nginx
      pm = dynamic
      pm.max_children = 16 # 50% Available RAM
      pm.start_servers = 2 # 25% of Total CPU Cores
      pm.min_spare_servers = 1
      pm.max_spare_servers = 8 # Total CPU Cores
      pm.max_children = 10 
      pm.max_requests = 500

• Networking Setup

  • /etc/sysconfig/network
  • /etc/hosts – Host entries
  • /etc/resolv.conf – Resolver Configuration
  • /etc/nameserverips – Nameserver IPs

• clamav

  • Configuration File: clamav.conf
  • Path: /etc/clamav.conf
  • Service: clamd

Contents of /home/user

• etc
• mail
• logs
• public_html
• public_ftp
• hidden directories

Accessing The Control Panel

• https://192.168.0.1:2083
  • This URL allows you to access cPanel over an encrypted connection with your IP address.
• https://example.com:2083
  • This URL allows you to access cPanel over an encrypted connection with your domain name.
• http://192.168.0.1:2082
  • This URL allows you to access cPanel over an unencrypted connection with your IP address.
• http://example.com:2082
  • This URL allows you to access cPanel over an unencrypted connection with your domain name.
• WHM Ports: 2086 and 2087
• WebMail Ports: 2095 and 2096

Scripts & Usage (common first)

1. Change CPanel Password
   1. /scripts/chpass username password
2. Syncronize FTP Password
   1. /scripts/ftpupdate
3. CPHulk Whitelisting
   1. /scripts/cphulkdwhitelist XXX.XXX.XXX.XXX # IP Address
4. CSF/LFD Whitelisting
   1. csf -a XXX.XXX.XXX.XXX #Allow an IP Address
   2. csf -dr XXX.XXX.XXX.XXX #Remove an IP Address from the blacklist
   3. csf -r #Restart
5. Check for Shellshock Bash Hack
   1. env X=”() { :;} ; echo shellshock” /bin/sh -c “echo completed”
   2. env X=”() { :;} ; echo shellshock” `which bash` -c “echo completed”
6. Check for Base64 or Eval Hacks

   1. #!/bin/bash
      
      for filename in /home/* ; do
      
      	ACCT=$(stat -c '%U' "$filename");
      
      	if [ -d "$filename" -a "$ACCT" != "root" ]; then
      		#Possible File Hacks
      		find /home/$ACCT/public_html/ ( -name "*.php" ) -type f -print0 | xargs -0 grep --binary-files=without-match -ir "base64_decodes*(" | awk '{print $1}' | cut -d: -f 1 >> /possible-hacks.txt;
      		find /home/$ACCT/public_html/ ( -name "*.php" ) -type f -print0 | xargs -0 grep --binary-files=without-match -ir "evals*(" | awk '{print $1}' | cut -d: -f 1 >> /possible-hacks.txt;
      		#Possible Image Hacks
      		find /home/$ACCT/public_html/ ( -name "*" ) -type f -print0 | xargs -0 grep --binary-files=without-match -ir "base64_decodes*(" |grep 'jpg|gif|png|bmp' | awk '{print $1}' | cut -d: -f 1 >> /possible-image-hacks.txt;
      		find /home/$ACCT/public_html/ ( -name "*" ) -type f -print0 | xargs -0 grep --binary-files=without-match -ir "evals*(" |grep 'jpg|gif|png|bmp' | awk '{print $1}' | cut -d: -f 1 >> /possible-image-hacks.txt;
      	fi;
      done;

7. Rebuild Httpd Config
   1. /scripts/rebuildhttpdconf
8. Clean Out Old Logs
   1. find /the/path/to/search -type f -name “*.log” -mtime +30 -exec rm -f {} ;
9. Full Account Backup
   1. /scripts/pkgacct ACCOUNTNAME
   2. backup is stored in /home as cpmove-ACCOUNT.tar.gz
10. Full Account Restore
    1. /scripts/restorepkg –force /path/to/cpmove-file.tar.gz
11. Verify CPanel License
    1. /usr/local/cpanel/cpkeyclt
12. Watch an Accounts Traffic
    1. tail -f /usr/local/apache/domlogs/accountname/accountdomain.ext
13. View All Current Connections
    1. netstat -an –inet

Scripts & Usage (alphabetical)

https://documentation.cpanel.net/display/ALD/WHM+Scripts#WHMScripts-Scripts