by Visakh S | Jan 23, 2015 | DDoS, Server Administration
“This definitely is a problem with your monitoring system! I never used this bandwidth. I was on holiday!” The accounts department of the data center we managed referred this customer concern to us. His un-managed dedicated server showed a bandwidth spike...
by Visakh S | Jan 21, 2015 | Server Administration
The mood was upbeat. It was our weekly business review with a web host we support. Server improvements had resulted in zero service downtimes, and zero customer complaints on service reliability. It was time to figure out how to improve the infrastructure even...
by Visakh S | Nov 28, 2014 | cPanel, DirectAdmin, Drupal, Plesk, Server Administration, WordPress
CryptoPHP is a well developed backdoor malware that is spread through themes for popular CMS like WordPress, Joomla and Drupal, etc. It runs a bot in your server, and allows remote control for the attacker controlling the botnet. The attacker can then use your server...
by Visakh S | Oct 17, 2014 | Apache, DirectAdmin, FTP, Nginx, Server Administration
UPDATE 17th Oct – Some browsers like Firefox and IE 6 are reporting issues when SSLv3 is disabled. Fortunately, SSLv3 fix is available from OpenSSL, and major distros would soon be putting it to their repos. SSLv3 disabling can soon be done in a phased manner....
by Visakh S | Oct 10, 2014 | Server Administration
The mail user reports the error: Task user@domain.com – Sending reported error (0x800CCC78): ‘Cannot send the message. Verify the email address in your account properties. The server responded: 550 Access denied – Invalid HELO name (See RFC2821 4.1.1.1) Corresponding...
by Visakh S | Oct 10, 2014 | Server Administration
The mail user reports the error: Task user@domain.com – Sending reported error (0x800CCC78): ‘Cannot send the message. Verify the email address in your account properties. The server responded: 550 Access denied – Invalid HELO name (See RFC2821 4.1.1.1) Corresponding...
