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Fix for DoS vulnerability in BIND DNS service
On 28th July Internet Systems Consortium announced a critical vulnerability (CVE-2015-5477) in all BIND DNS server versions from 9.1.0 to 9.9.7-P1 and 9.10.2-P2. It allows a remote attacker to exploit an error in handling TKEY queries to launch a Denial of Service...
DoS vulnerability in BIND DNS servers
On 28th July Internet Systems Consortium announced a critical vulnerability (CVE-2015-5477) in all BIND DNS server versions from 9.1.0 to 9.9.7-P1 and 9.10.2-P2. It allows a remote attacker to exploit an error in handling TKEY queries to launch a Denial of Service...
xmlrpc.php causing high load in server – How to recover and prevent this issue in cPanel, Plesk and DirectAdmin Apache servers
In cPanel, Plesk and DirectAdmin servers that have WordPress websites, high server load is sometimes reported with "xmlrpc.php" showing up as the top CPU hog. xmlrpc.php is a file in WordPress websites used for remote publishing and ping-back tracking. Botnets target...
Security fix for libuser root privilege vulnerability
Qualys reported on 23rd July an important root privilege escalation vulnerability (CVE-2015-3246), and DoS attack vulnerability (CVE-2015-3245) for Linux servers using RedHat's libuser package. Here's how you can protect your cPanel, Plesk and DirectAdmin servers...
How to fix libuser root privilege and DoS attack vulnerability
Qualys reported on 23rd July an important root privilege escalation vulnerability (CVE-2015-3246), and DoS attack vulnerability (CVE-2015-3245) for Linux servers using RedHat's libuser package. Here's how you can protect your CentOS and RedHat server from these...
503 Valid RCPT command must precede DATA – How to resolve this Outlook error in cPanel/WHM hosted email accounts
Customers who use Outlook to access email accounts hosted on cPanel/WHM email servers sometimes report the error 503 Valid RCPT command must precede DATA when trying to send their mails. This is often reported for servers in which SMTP authentication is enabled. What...
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