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IPv6 reverse DNS configuration – How to configure IPV6 RDNS in cPanel/WHM Linux servers
On July 1st, ARIN (American Registry for Internet Numbers) sent out a notification that it may not be able to give out IPv4 blocks of larger than 512 addresses. This officially makes the decade old prediction of IPv4 running out a reality, and makes it necessary for...
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...
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