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Server Security

How to disable redirection to SSL while accessing WHM,cPanel,Webmail

by SupportPRO Admin April 27, 2011
written by SupportPRO Admin

If you want to disable redirection to SSL connection while accessing WHM, cPanel, Webmail, please follows these steps. Login to WHM >> Tweak Setting >> Uncheck the following options under Redirection. Always redirect users to the ssl/tls ports when visiting /cpanel, /webmail, etc. Also you have to uncheck the following option under Security in Tweak Settings. Require SSL for all remote logins to cPanel, WHM and Webmail. This setting is recommended. Also you can disable those options from the shell. SSH to the server as root. Open /var/cpanel/cpanel.config and set …

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How to Fix “Argument List Too Long” Error While Moving Files in Linux
Server Tweaking

How to Fix “Argument List Too Long” Error While Moving Files in Linux

by SupportPRO Admin April 27, 2011
written by SupportPRO Admin

When managing Linux servers, administrators often need to move thousands of files from one directory to another. However, attempting to move a large number of files using the standard mv command may result in an error. This guide explains why the “Argument list too long” error occurs and how to safely move large numbers of files without issues. Why the Error Occurs If you try to move a huge number of files (for example, more than 50,000 files) using: you may see the following error: Reason Linux shells expand * …

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Server Tweaking

How to enable IP rotation in exim

by SupportPRO Admin April 25, 2011
written by SupportPRO Admin

If your server are having multiple IP address and you want to send each emails in different IP, then please follow the steps. This is used to maintain the ip reputation. Also, please make sure that this is not used for spamming. 1. vi /etc/exim.conf 2. Search for the line : interface = 3. Replace this line with interface = xxx.xxx.x.1${eval:${substr{-2}{1}{$tod_zulu}}%9+1} 4. If your server is having ip’s from xxx.xxx.x.11 to xxx.xxx.x.20 , you can use above line. +1 is is the starting ip ie xxx.xxx.x.1’1′ and %9 is the …

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Server Security

Server Level PCI Compliance & Procedures

by SupportPRO Admin April 5, 2011
written by SupportPRO Admin

PCI DSS (Payment Card Industry Data Security Standards) are the official security standards created by the PCI Security Standard Council to reduce payment card frauds. It provides elaborate and comprehensive standards to enhance payment card data security. The core purpose of PCI DSS this is to create as secure of an environment as possible for users to process their credit cards. To adhere by PCI DSS, service providers and merchants who sell products over the web are required to have a periodic PCI Security Scans that are usually defined by …

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Linux Basics

To find ports opened on the server

by SupportPRO Admin March 29, 2011
written by SupportPRO Admin

Login to the server: telnet localhost “portnumber” netstat command to find open ports ———————————- netstat –listen To display open ports and established TCP connections, enter —————————————————————- netstat -vatn To display only open UDP ports try the following command: ———————————————————— netstat -vaun To display the list of open ports, enter: ——————————————— lsof -i If you require help, contact SupportPRO Server Admin

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Technical Articles

Command to check the performance of the hard disk

by SupportPRO Admin March 29, 2011
written by SupportPRO Admin

You can use the command given below to check the hard disk performance. hdparm /dev/sda /dev/sda: IO_support = 0 (default 16-bit) readonly = 0 (off) readahead = 256 (on) geometry = 30401/255/63, sectors = 488397168, start = 0 If you require help, contact SupportPRO Server Admin

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Disable Root Login on a cPanel Server
Server Security

How to Disable Root Login on a cPanel Server (Secure SSH Access ) ?

by SupportPRO Admin March 29, 2011
written by SupportPRO Admin

Disabling direct root login over SSH is an important security practice for any cPanel server. Allowing remote root access increases the risk of brute-force attacks and unauthorized logins. By disabling root login, administrators must first log in using a normal user account and then switch to root privileges securely. This approach also allows administrators to access WHM/cPanel without the root password, improving security while maintaining full administrative control over the server. This guide explains how to disable root SSH login on a cPanel server safely without locking yourself out. Why …

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General Topics

Using Social Medias to bring in more Hosting Business

by SupportPRO Admin March 22, 2011
written by SupportPRO Admin

Marketing and brand promotion have always been critical focus areas for growing businesses. Many companies have grown and flourished on the foundation of effective marketing strategies. Over time, the concept of marketing has evolved significantly, driven largely by advancements in technology. To remain relevant and competitive, businesses must adapt to these changing marketing strategies. One of the most impactful changes in recent years is social media marketing. Businesses of all sizes have embraced it as a low-cost yet highly effective promotional tool capable of driving large volumes of targeted traffic. …

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Server Tweaking

Issue with Rvsitebuilder

by SupportPRO Admin March 18, 2011
written by SupportPRO Admin

If you are getting error while accessing the Rvsitebuilder from cpanel ==================== Fatal error: The encoded file /var/cpanel/rvglobalsoft/rvsitebuilder/www/ionctestlicense.php requires a license file. The license file /var/cpanel/rvglobalsoft/rvsitebuilder/rvsitebuilder.lic has expired. in Unknown on line 0 ===================== Then Please login to the server through root and execute. ======== root@server[#]rm -f /var/cpanel/rvglobalsoft/rvsitebuilder/rvsitebuilder.lic root@server[#] rm -f /var/cpanel/rvglobalsoft/rvsitebuilder/rvsitebuilder-pro.lic root@server[#] perl /usr/local/cpanel/whostmgr/docroot/cgi/rvsitebuilderinstaller/autoinstaller.cgi ======== This will fix the issue If you require help, contact SupportPRO Server Admin

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restrict number of connections per vhost/dir and limit the bandwidth for files
Server SecurityServer TweakingTechnical Articles

How to restrict number of connections per vhost/dir and limit the bandwidth for files

by SupportPRO Admin March 11, 2011
written by SupportPRO Admin

Managing server resources efficiently is essential for maintaining performance and stability. If a particular domain or directory is consuming excessive bandwidth, you can control its usage using the mod_bw module in Apache. The mod_bw (bandwidth module) allows administrators to restrict bandwidth usage and limit the number of simultaneous connections for specific virtual hosts (vhosts) or directories. This is especially useful in shared hosting environments where resource control is critical. When to Use mod_bw You can use mod_bw when: Steps to Install and Configure mod_bw 1. Check Apache Version Run the …

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