Cybersecurity - Page 221 of 223

Configuring VPN Access in a Back to Back ISA Server Environment

Cybersecurity / By Tom Shinder / July 16, 2002

VPNs have been a topic of growing interest for the last couple years. However, since the tragic events in New York City in September of 2001, the subject has become red-hot. Why? Business and network managers now have a greater awareness that the weakest link in any design, whether it be a network or a business, is too high a level of centralization. Distributed systems are highly fault tolerant and difficult to bring down, while centralized systems can be brought to their knees with a single blow.

How to Block Dangerous Instant Messengers Using ISA Server

Access Control / By Tom Shinder / July 16, 2002

I get a lot of questions about how can ISA Server be used to block dangerous applications. What is a dangerous application?

Configuring ISA Server For Inbound VPN Calls

Cybersecurity / By Tom Shinder / July 16, 2002

You've implemented a ISA/VPN Server to allow secure remote connections to your internal network. While you might have configured your VPN Server in a secure manner, what about your VPN clients? In this article I'll talk about important issues regarding VPN client configuration and how it impacts network security.

Windows XP: Access control via Security

Access Control / By Johannes Helmig / July 15, 2002

Windows XP Professional offers (in addition to the User Access control in Network Sharing) also the possibility to control access to file via Security:

Windows XP Professional Edition: Local Security Policies

Windows Client Security / By Johannes Helmig / July 15, 2002

Windows XP Professional Edition allows full User Management and Security. The permissions assigned to the Usergroups (assigned in User Management to users) are defined in the Local Security Policies:

Security concerns on Internet connections (Dialup-Connection to the Internet)

Windows Client Security / By Johannes Helmig / July 15, 2002

Please be aware of a serious security issue, in case your system is connected to a local network and is also configured to use Dialup-networking for connection to the Internet.

Enforcing Network Login via POLEDIT

Access Control / By Johannes Helmig / July 15, 2002

This procedure is more detailed than actually required, because I use it also as an example on usage of the "System Policy Editor" ( POLEDIT ) on the local Registry and on downloading a profile from the Network server.

Mail Relay Scenario Using GFI Mail essentials 6 for SMTP Gateways

Articles, Cybersecurity, ISA Server / By Tom Shinder / July 7, 2002

Are you looking for a fault tolerant and secure SMTP server solution? Need something useful to do with that DMZ segment you created? How about an SMTP mail relay! Check out this article to see how we put together an SMTP mail relay solution in a back to back DMZ environment.

VPN Client Security Part 1: Split Tunneling Issues

Articles, Cybersecurity, ISA Server / By Tom Shinder / June 15, 2002

Protect Your Network with GFI MailSecurity

Articles, Cybersecurity, ISA Server / By Tom Shinder / June 11, 2002

Looking for a good mail filtering solution? Sure you could use the SMTP Message Screener, but if you're serious about mail security, you've got to check this product out!