May
25
2009
CiscoWorks TFTP Directory Traversal Vulnerability

CiscoWorks Common Services contains a vulnerability that could allow an unauthenticated remote attacker to access application and host operating system files. Cisco has released free software updates that address this vulnerability. A workaround that mitigates this vulnerability is available. Vulnerable Products Products that have TFTP services enabled and that run CiscoWorks Common Services versions 3.0.x, 3.1.x, and 3.2.x are vulnerable. Only CiscoWorks Common Services systems running on Microsoft Windows operating systems are affected.

May
19
2009
BGP best path selection

The Border Gateway Protocol (BGP) is an interautonomous system routing protocol. An autonomous system is a network or group of networks under a common administration and with common routing policies. BGP is used to exchange routing information for the Internet and is the protocol used between Internet service providers (ISP). BGP is used between autonomous systems (AS), the protocol is referred to as External BGP (EBGP). If a service provider is using BGP to exchange routes within an AS, then the protocol is referred to as Interior BGP (IBGP). BGP is a very robust and scalable routing protocol, as evidenced […]

May
5
2009
New CCIE R&S: v4.0

Cisco has revised the certification requirements for CCIE Routing & Switching (CCIE R&S)-the expert level certification for network engineers. The new certification standards reflect the job skills employers look for at the expert level and are outlined on the Cisco Learning Network at CCIE R&S v4.0 written exam topics and CCIE R&S v4.0 lab exam topics. The revised CCIE R&S v4.0 exams are scheduled for release on October 18, 2009 and will immediately replace the currently available v3.0 exams. “To reflect current job tasks, CCIE R&S certification expectations will include planning for network enhancements, implementing MPLS, Layer 3 VPNs, IPv6 […]

Apr
29
2009
Mexico Global Talent Acceleration Program

Cisco announced that its Global Talent Acceleration Program (GTAP) will be available in Latin America for the first time. The Mexico GTAP provides learning and development opportunities for Cisco engineers, recent graduates and established professionals in the industry. Recognizing that a strong pool of talented network engineering skills is critical to increasing a country’s overall productivity, Cisco is making an initial investment of more than $1 million in training programs in the first six months alone. The first GTAP courses in Mexico City are scheduled to begin in May 2009. Initially, the GTAP Academy in Mexico City will focus on […]

Apr
26
2009
Cisco ASA WebVPN Cross Site Scripting Vulnerability

Cisco ASA is prone to a cross-site scripting vulnerability. An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site and to steal cookie-based authentication credentials. Cisco ASA software versions 8.0.4(2B) and prior running on ASA 5500 Series Adaptive Security Appliances are vulnerable.

Apr
16
2009
Tips for securing Cisco administrative access

In this article I would explain some tips for securing Cisco administrative access. When creating passwords, keep these rules in mind: Make passwords lengthy Passwords should combine letters, numbers, and symbols. Passwords should not use dictionary words Change passwords as often as possible Strong passwords are the primary defense against unauthorized access to your router. The best way to manage passwords is to maintain them on an AAA server, but not all people can have/manage a AAA server. Cisco provides a number of enhanced features that allow you to increase the security of your passwords. For the basic configuration read […]

Apr
14
2009
Cisco to acquire Tidal Software

Cisco announced its intent to acquire privately held Tidal Software, Inc.  Based in Palo Alto, Calif., and Houston, Tidal Software is the creator of intelligent application management and automation solutions that will advance Cisco’s data center strategy by enhancing product and service delivery offerings.  

Apr
13
2009
Multiple Vulnerabilities in Cisco ASA / PIX security

Multiple vulnerabilities exist in the Cisco ASA 5500 Series Adaptive Security Appliances and Cisco PIX Security Appliances. Vulnerable Products The following is a list of the products affected by each vulnerability as described in detail within this advisory. VPN Authentication Bypass Vulnerability Cisco ASA or Cisco PIX security appliances that are configured for IPsec or SSL-based remote access VPN and have the Override Account Disabled feature enabled are affected by this vulnerability. Note:  The Override Account Disabled feature was introduced in Cisco ASA software version 7.1(1). Cisco ASA and PIX software versions 7.1, 7.2, 8.0, and 8.1 are affected by […]

Apr
6
2009
Banner, what is that?

One of the things that usually are not implemented by the network administrator is the banner; but what and why use it? The banner is a feature used not only on Cisco systems but also in other systems like Unix, Linux and so on. It permits to define a text that it is displayed in some cases, for example when you log in a router via SSH. There are two main reasons to implement banner on our router/switch: Banner messages should be used to warn would-be intruders that they are not welcome on your network. Banner are useful to quickly […]

Mar
29
2009
Cisco live! 09 – 20 Years of Networkers

Cisco Live is Cisco’s annual IT and communications conference and this year is the 20th Anniversary of the Cisco Networkers program. “This year marks the 20th anniversary of Networkers, which has grown into Cisco Live, our annual IT and communications conference. Much has changed since that first conference in 1989. But one thing remains as true today as it was then: knowledge is power. That simple phrase is the perfect theme for Cisco Live 2009. Innovative, creative, and knowledgeable people and businesses will always have a powerful competitive edge. In a challenging economy, it’s even more vital to hone the […]

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