Network Management Strategies for the CIO
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What causes packet loss across the WAN?
Learn what causes packet loss across the WAN in this expert response. Ask the Expert
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OSI -- Securing the stack
Secure your network with our OSI model reference that links to all the tips in our "OSI -- securing the stack" series by security expert and author Michael Gregg. The series is based on his book, "Hack the Stack." Tip series
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Reduce branch office threats in 10 steps
Many organizations host business-critical applications in branch offices, but doing so exposes them to many new threats. Here we examine the potential threats to your branch offices and discuss 10 surefire ways to reduce or mitigate them. Tip
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Are there any architectures of IPsec VPN apart from lookaside and flow-through?
In an IPsec VPN, learn what architectures exist apart from lookaside and flow-through, in this expert response from Sampath Ramaswami. Ask the Expert
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Why has the terminal server ended my connection?
Find out reasons a terminal server might end a connection, in this Q&A with Chris Partsenidis. Ask the Expert
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dynamic packet filter
A dynamic packet filter is a firewall facility that can monitor the state of active connections and use this information to determine which network packets to allow through the firewall. Definition
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rule base
In the context of a computer server acting as a firewall, a rule base is a set of rules that govern what is and what is not allowed through the firewall. Definition
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What's the difference between patches and service packs?
In this Q&A with Amy Kucharik, learn what the difference is between a patch and a service pack. Ask the Expert
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What intrusion prevention systems (IPS) alogrithms are used and what has been the success of these s
Learn what intrusion prevention systems algorithms are used and what the success has been with these systems, in this Q&A with enterprise security expert Michael Gregg. Ask the Expert
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Is there a command in a Cisco Catalyst that will tell me the IP address of a PC hanging off a port?
Find the IP address of a PC through commands in a Cisco Catalyst in this expert response. Ask the Expert