Your Linux Today Security Letter for February 17, 2011

Thursday February 17, 2011

Linux Today Security

REMOTE BUG FOUND IN UBUNTU KERBEROS
"There's a vulnerability in the Kerberos implementation in several versions of Ubuntu, which could allow an attacker to cause a denial-of-service on vulnerable servers. The bug is in Ubuntu 8.04, Ubuntu 9.10, Ubuntu 10.04 and Ubuntu 10.10."

LINUX IPTABLES: HOW TO ADD FIREWALL RULES (WITH ALLOW SSH EXAMPLE)
"This article explains how to add iptables firewall rules using the ?iptables -A? (append) command."

IBM ROLLS 20GBPS IPS NETWORK APPLIANCE (YES IT'S LINUX POWERED)
"The IBM Network Intrusion Protection System (IPS) GX7800 has an underlying Linux operating system and provides up to 20 gigabits per second (Gbps) of performance and includes both traditional IPS as well as web application security features"

RSA: JAVA IS THE MOST VULNERABLE BROWSER PLUG-IN
"According to Qualys' data, 42 percent of users were running vulnerable out-of-date Java plug-ins. Adobe's Reader was in second at 32 percent followed by Apple QuickTime at 25 percent. Adobe Flash came in fourth at 24 percent."

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