Browsing articles from "May, 2009"
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 [...]