Author: René Jorissen
AutoQos error while generating commands
First of all, the post isn’t about explaining QoS. Configuring AutoQos on Cisco switches should be very easy. At least, that is what all the Cisco documentation tells you. I always thought that the statements about configuration AutoQos were true, but a few days ago I would disagree. I was configuring multiple switches, Cisco Catalyst … Read More
Configuration Example, IPSec / SSL VPN
OpenVPN ALS
A few days ago I installed and configured the SSL VPN solution OpenVPN ALS, which is a direct descendant of Adito, which has a fork of SSL-Explorer. OpenVPN ALS is a simple to use SSL VPN solution to publish multiple services via browser-based portal. OpenVPN uses Java to publish multiple services. OpenVPN ALS isn’t an … Read More
TrendMicro IWSVA – Built-in groups and policies
While configuring a TrendMicro IMSVA appliance I tried to configure different URL filtering policies using built-in Windows Active Directory groups, like “Domain Users” in conjunction with user/group name authentication. Configuring policies with built-in groups weren’t functioning properly. The policies just weren’t matched, while I knew for sure that the user is a member of the … Read More
Cisco CSC-SSM-20 notes
The Cisco CSC-SSM-20 modules provide advanced scanning technologies within the Cisco ASA firewall. During installations of these modules I created some quick notes, which I would like to share with you. Initial configuration After inserting the Cisco CSC-SSM modules into the Cisco ASA firewall, you have two ways to configure the initial configuration. The first … Read More
Anti-virus / Anti-SPAM, Configuration Example, Proxy
TrendMicro IMSVA – reject unknown recipients via LDAP
With the configuration and implementation of an anti-virus, anti-spam solution, I always check if the security appliance has the option to block unknown recipients via LDAP. This prevents unnecessary e-mail from being sent to the backend servers. While configuring a TrendMicro IMSVA 8.0 I noticed that the LDAP option was available, as shown below. The … Read More
Configuration Example, Routing
Policy-based routing in a nutshell
Lately I received some questions about routing decisions and how to influence the routing decisions via access control lists. The following example shows a simple configuration for policy-based routing. The example uses the following logical setup: I configured two routers and connected each router to two PVC’s on the same ATM interface. I configured one … Read More