Ask the Experts

Enterprise network security

Will biometric authentication devices integrate with in-house software?

Biometric devices may provide an added level of security, but how much effort is required to integrate them with existing software and systems, particularly those systems custom made for an organization? Learn more in this expert response from ... Continue Reading
Secure OpenVPN config with PAM

Network security expert Anand Sastry explains the relationship between OpenVPN and TLS, and points out where to learn about using OpenVPN and PAM. Continue Reading
Secure DMZ Web server setup advice

Network security expert Anand Sastry describes how to ensure a secure DMZ Web server setup involving network attached storage (NAS). Continue Reading
Biometric security technology: The safest types of biometric devices

Expert Randall Gamby explains which biometrics devices are most secure, and which could work best in your enterprise. Continue Reading
How to defend against a sync flood attack

Nick Lewis explains how to protect your organization from sync flood attacks. Continue Reading

Proxy server security: Defending against DoS and other attacks

In this expert response, find out how to boost proxy server security in the enterprise. Continue Reading
Is an SMTP TLS certificate the same as an FTP SSL certificate?

Are all security transportation-level certificates (TLSes) the same, or are there different certificates for different protocols? In this expert response, Randall Gamby discusses SMTP and FTP certificates. Continue Reading
Can secure FTP services protect sensitive data from hackers?

Does secure FTP services protect against hackers and attacks? In this expert response, Michael Cobb explains why using a secure FTP service is vital for handling sensitive data transfers. Continue Reading
How do passwordless SSH keys represent an enterprise attack vector?

Passwordless SSH keys represent an attack vector because their safety is determined by the security of the host. Learn how to protect communication between two networked devices. Continue Reading
Will an application usage policy best control network bandwidth?

When it comes to speeding up the network, what works best: policy or technology? Both are important and should be used together, says expert Michael Cobb. Continue Reading
How to set up a split-tunnel VPN in Windows Vista

Setting up a split-tunnel VPN in Vista can help quicken network flow in the enterprise. In this expert response, Mike Chapple explains the steps to create a split-tunnel VPN. Continue Reading

What is the difference between static and dynamic network validation?

Network data analysis is essential to understanding the security configuration of your network. But what is the difference between static data validation and dynamic data validation? Find out in this expert response. Continue Reading
Securing the intranet with remote access VPN security

Connecting remote offices with the main branch can be done many ways, but for those companies looking at tightly securing their intranet, they may need to consider remote access with VPN security. Learn more in this expert response. Continue Reading
How to implement virtual firewalls in a complex network infrastructure

If your enterprise has a complex network infrastructure, it might be necessary to implement virtual firewalls or multiple security contexts. Network security expert Mike Chapple explains the pros and cons of doing so. Continue Reading
How to manage network bandwidth with distributed ISP bandwidth

As enterprises grow, demand for bandwidth can increase exponentially. In this expert answer, Mike Chapple explains different techniques for managing network bandwidth with ISP distribution. Continue Reading