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- Cisco IOS patch day covers multiple vulnerabilities
- Cisco has shipped a batch of patches to cover multiple vulnerabilities affecting IOS, the software that powers the vast majority of Cisco's routers and switches. In all, the company released 8 separate advisories with warnings for information disclosure, privilege escalation, denial-of-service vulnerabilities. The...
- Blog posts 2009-03-25
- Cisco IOS Software Embedded Event Manager Harnesses Network Intelligence to Increase Availability
- Organizations are increasingly reliant on advanced information systems to build products, serve customers, and achieve goals. IT departments are under pressure to ensure continuous access and Cisco customers frequently cite the availability of critical systems as a high priority. Because today's systems, data stores, and user communities are often highly...
- White papers 2007-12-24
- Discussion of Conceptual Difference Between Cisco IOS Classic and Zone-Based Firewalls
- Cisco IOS has supported stateful inspection firewall capability since before Cisco IOS Software Version 12.0. Stateful Inspection Firewall features are supported through the Classic Firewall (formerly known as Context-Based Access Control, or CBAC). Cisco IOS Software introduced an additional configuration model for stateful inspection with the Zone-Based Policy Firewall ZFW...
- White papers 2007-10-01
- Comparison of the Cisco Catalyst and Cisco IOS Software Operating Systems for Cisco Catalyst 6500 Series Switches
- This paper primarily compares the two software operating system models available for the Cisco Catalyst 6500 Series Switches, which are the Cisco Catalyst OS with optional Cisco IOS Software running on the multilayer switch feature card MSFC; this model is commonly referred to as "Hybrid." and the Cisco IOS Software...
- White papers 2007-08-01
- Control Plane Security Overview in Cisco IOS Software
- In nowadays competitive business climate, connecting to the Internet is imperative; however, this also exposes network elements and infrastructure to myriad threats. Cisco IOS Software provides a rich set of security features that address this complexity of attacks and help ensure the availability of network elements under any circumstances. Cisco...
- White papers 2007-03-01
- Cisco IOS Software In-Service Software Upgrade on the Cisco Catalyst 4500 Series
- This paper describes the In-Service Software Upgrade ISSU process and functionality implemented on the Cisco Catalyst 4500 Series. It examines step-by-step instructions for performing in-service software version changes or maintenance on the Cisco Catalyst 4500 redundant series. This paper is not meant to be a complete introduction to high availability,...
- White papers 2007-02-01
- Denial of Service Tuning for Cisco IOS Software Firewall and Intrusion Prevention System
- Cisco IOS Stateful Packet Inspection maintains counters of the number of "Half-open" TCP connections, as well as the total connection rate through the firewall and intrusion prevention software. These half-open connections are TCP connections that have not completed the SYN - SYN/ACK - ACK handshake that is always used by...
- White papers 2006-07-01
- Infrastructure Protection on Cisco IOS Software-Based Platforms
- This paper describes currently available tools that one can use to protect Cisco IOS software-based infrastructure elements, such as routers and switches, from direct attacks. The same tools can help prevent accidental misconfiguration that may present a risk to the infrastructure. This paper also provides deployment guidelines to help facilitate...
- White papers 2006-05-22
- Cisco IOS Software Modularity on Cisco Catalyst 6500 Series Switches
- The Cisco Catalyst 6500 Series with Cisco IOS Software Modularity minimizes downtime and boosts operational efficiency through evolutionary software infrastructure advancements. By enabling modular Cisco IOS Software subsystems to run as independent processes, this innovation minimizes unplanned downtime through self-healing processes; simplifies software changes through subsystem In-Service Software Upgrades ISSU;...
- White papers 2006-02-01
- Blocking Instant Messaging and Peer-to-Peer File Sharing Applications With Cisco IOS Software Release 12.3(14)T
- Most organizations view instant messaging and Peer-to-Peer file sharing (P2P) applications as frivolous consumers of expensive resources - employee time and network bandwidth. Furthermore, some P2P networks can act as a conduit for malicious software such as worms, offering an easy path around firewalls into an organization to compromise desktop...
- White papers 2005-07-01
- Cisco - How to Choose a Cisco IOS Software Release
- This paper provides guidelines to help you choose the most appropriate Cisco IOS Software release to meet your needs, and provides suggestions and tools to aid you in your choice. The most important factors to take into account are: Hardware Support, Feature Support, Cisco IOS Software Release Version, and Memory...
- White papers 2004-09-12
- Configuring Cisco IOS Software Easy VPN IPSec Functionality With Digital Certificates
- This paper discusses three options for resolving vulnerabilities, with an in-depth discussion of the unique, integrated solution, offering Cisco IOS Software based EasyVPN IPsec remote-access, secured by the Cisco IOS Software Certification Authority Server. This functionality is not matched by any competing products in the remote access VPN arena and...
- White papers 2004-06-01
- Configuring Cisco IOS Software Easy VPN IPsec Functionality With Digital
- This paper discusses three options for resolving the vulnerabilities of the Cisco VPN Client for Windows and Linux, with an in-depth discussion of the unique, integrated solution, offering Cisco IOS Software based EasyVPN IPsec remote-access, secured by the Cisco IOS Software Certification Authority Server. This functionality is not matched by...
- White papers 2004-06-01
- The ABCs of Cisco IOS Software Release
- Optimized for today's IP-based networks and offering fast convergence, Cisco IOS Software provides extraordinary resiliency and advanced networking services by separating control, forwarding, and management planes in order to yield innovative services and high performance. In order to select and deploy the most appropriate Cisco IOS Software release, customers must...
- White papers 2004-02-01
- IPsec Features in Cisco IOS Software Releases 12.3T, 12.3, 12.2T
- This paper briefly describes IPsec features in Cisco IOS Software Releases 12.3T, 12.3, 12.2T. Cisco IOS Software provides many IPsec features such as Real-time Resolution for IPsec Tunnel Peer, Easy VPN Server, which provides RADIUS Support for User Profiles and Session Limiting of VPN Group Access, and Easy VPN Remote,...
- White papers 2004-01-01
- Sprint—Layer 2/Layer 3 Services Converged Over Common IP Backbone Via L2TPv3 in Cisco IOS Software
- A network convergence strategy expected to get top attention from service providers in the next few years is the ability to offer traditional Layer 2 transport protocols over a Layer 3 native Internet Protocol IP core. Sprint is among the first companies to test ...
- Case studies 2003-03-01
- BT Group - MPLS-Based IP VPNs Built on Cisco IOS Software Enable Streamlined and "Applications-Aware" Enterprise Network Services
- BT Group is recognized as one of the leading providers of data networking services in Europe. Companies with branch offices in different regions and countries had to create multiple, expensive network solutions to interconnect and extend there corporate networks. BT Global Services worked closely with Cisco Systems to become the...
- Case studies
- Basics of a Successful Cisco IOS Software Migration
- This paper documents a successful four-phase release migration process implemented by a large retail customer working closely with its Cisco Advanced Services team. It can be used by any Cisco customer to simplify network operations and management. Well-planned migrations of Cisco IOS Software keep a network healthy during and after...
- White papers
Additional Resources
- Cisco drops patches for serious IOS vulnerabilities
- Not another....patch blog. No one expects quality the first time out of the chute anyway. Just as long as we patch, patch, patch.well considering this is a security blog...patching IS related to security. You are using the wrong metric to gauge it by. Patching isnt a bad thing. I...
- Discussion threads 2009-09-24
- PCI Compliance for Small Business: Using Router-Based Security to Protect Cardholder Data
- The Payment Card Industry PCI Data Security Standard DSS was developed from an earlier regulatory program from VISA called the Cardholder Information Security Program CISP. Any organization that accepts, processes, or stores credit card information must comply with the standards set by the Payment Card Industry Security Standards Council. Cisco...
- White papers 2009-05-01
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