As we are aware, usually installing SSL Certificate requires Dedicated IP . The cost of this address is typically being passed down to the end user. Also the IPv4 address will be filled completely if every domain require a dedicated IP. So administrators decided to use multiple SSL installation on a single IP. Thus SNI (Server Name Identification) is established. >> What is SNI : —————— Server Name Indication (SNI) is an extension to the TLS protocol that indicates what hostname the client is attempting to connect. SNI is an extension of the TLS protocol, which allows browsers and servers to map multiple SSL-secured domain names to one IP address and gate, without this making any difference to the site …
Category:
General Topics
By default Postfix run on port 25 and 587(TLS). However some ISPs block port 25. In that case you can configure the postfix mail server to listen on additional ports too, for example port 26 or some random 5125. This configuration is done in the master.cf configuration file. Edit it in your editor of choice. This file is in the following format: # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ==========================================================================
Monitoring a web server alone does not always guarantee that a website is functioning correctly. A service like Apache may appear online while the website itself displays errors, malicious content, or broken pages. Nagios URL monitoring solves this issue by checking the actual webpage content instead of simply verifying whether the web service is running. Nagios URL Monitoring Capabilities Nagios provides advanced monitoring features for web services, including: Benefits of URL Monitoring with Nagios Implementing URL monitoring helps administrators: Monitoring a Website URL Using check_http Nagios includes the check_http plugin, which allows monitoring of a specific webpage instead of just checking whether Apache is running. This method is useful when: You can configure Nagios to verify whether a specific keyword …
cPanel’s Site Software disables WordPress auto updates option. We can easily enable this option, for that we need to modify the following files and note that these files were only changed on WordPress sites that were installed using cPanel’s Site Software addon. Ensure to take a backup of these files before making any changes. => wp-admin/includes/update.php => wp-admin/update-core.php => wp-admin/includes/class-wp-upgrader.php
One of the main issues with hosting a WordPress website is that often it takes more than desirable time to load the home page. Below, a few tips and tricks are being discussed to improve the performance of a WordPress website. How to Speed up a WordPress website? ————————————- Fixing the page load speed of a WordPress website depends on the cause of the issue. This article only discusses the load time from the website’s point of view. The DNS or ISP aspects are not being discussed. * As a first step, always go for online speed testing services such as Pingdom who will provide a detailed report of the home page loading activity. The speed testing wizard of Pingdom …
If you are getting the below error while updating the Plesk versions or installing the microupdates , have a try with the mentioned solution : —- ERROR: Unable to download the MD5 sum for the new Parallels Installer binary. Not all packages were installed. Please, contact product technical support. —- Solution : —– Remove cache from /var/cache/parallels_installer/ and start auto-installer again. —– If you require help, contact SupportPRO Server Admin
If you are getting following error while directory listing, follow the solution provided below : ———- ftp> ls 227 Entering Passive Mode (108,61,169,245,167,161). ftp: connect: No route to host ———- Solution : 1. Edit /etc/sysconfig/iptables-config and add this line: IPTABLES_MODULES=”ip_conntrack_ftp” 2. Save it and restart iptables. That’s because passive mode use non standard ports to communicate, so you need to keep track of the ftp connections and iptables will allow them when necessary. Another solution is specify the passive ports that will be used on FTP server configuration, then open those specific ports on firewall. If you require help, contact SupportPRO Server Admin
The SSLv3 POODLE vulnerability, disclosed on October 14, 2014, is a protocol-level security flaw affecting the SSL 3.0 encryption standard. POODLE, which stands for Padding Oracle On Downgraded Legacy Encryption, exploits weaknesses in how SSLv3 handles padding during encryption. This vulnerability arises when plaintext is converted into ciphertext. To match cryptographic requirements, extra padding is added, and during decryption, this padding can leak sensitive information. Attackers can take advantage of this flaw through a man-in-the-middle (MITM) attack, gradually decrypting secure communications. How to Check if Your WHM/cPanel Server is Vulnerable To verify whether SSLv3 is enabled on your server, log in via SSH as the root user and run the following command: Example: A typical secure response will show: Advanced …
Many new features are implemented in the latest version, which includes but are not limited to :. In this article, let’s see more about synchronizing Calendar & Contacts using CalDAV and CardDAV. Calendaring Extensions to WebDAV, or CalDAV, is an Internet standard allowing a client to access scheduling information on a remote server. It is a calendaring and scheduling client/server protocol designed to allow users to access calendar data on a server and to schedule meetings with other users on that server or other servers. vCard Extensions to WebDAV (CardDAV) is an address book client/server protocol designed to allow users to access and share contact data on a server. In order to ensure that CardDAV and CalDAV are enabled in …
CentOS has introduced a free Web Hosting control panel (CWP: Centos Web Panel) which is designed for easy management of servers including both Dedicated & VPS without the help of ssh console. During the installation procedure, CWP installs full LAMP stack (Apache, PHP, phpMyAdmin, webmail, mail server etc.) on your server. List of softwares installed and configured during CWP installation are as below: =========== Apache Web Server PHP 5.4 MySQL + phpMyAdmin Postfix + Dovecot + roundcube webmail CSF Firewall Backups; AutoFixer for server configuration Varnish Cache server suPHP & suExec Mod Security + OWASP rules Monitor services eg. top, apache stats, mysql etc. =========== In this article, let’s have a check with the server requirements and features of CWP in Linux …