SMTP Auth testing via CLI
Just a quick note to describe the procedure for SMTP auth testing via the command-line. At first you need to encode username and password in Base64. This can be done in several ways. The easiest way would be via https://www.base64encode.org/. Next you can use the following commando’s via telnet to test SMTP AUTH. I always use … Read More
ArubaOS 6.5.0.0
The Early Deployment release software from ArubaOS 6.5.0.0 has been released. I looked into the release notes and found some interesting new features. Cellular Handoff Assist is Configurable Per Virtual AP: The cellular handoff assist feature can help a dual-mode, 3G/4G-capable Wi-Fi device such as an iPhone, iPad, or Android client at the edge of … Read More
Aruba Networks, ClearPass, Configuration Example, Wireless
ClearPass – concurrent session limit
I tried to configure a restriction to the concurrent number of active sessions a user can have on the wireless network. I found a great article on AirHeads Community “How to deny access for authentication requests based on session limit?” In short the article tells you to: Edit the Insight Repository Add more Filiters on … Read More
Configuration Example, Fortinet
FortiGate – IPSec with dynamic IP
Site-to-site VPN connections are a common way to connect a branch office to the corporate network. In the Netherlands it is still common to have a internet connection at a branch office with a dynamic IP address. The usage of dynamic IP address is not ideal when configuring a site-to-site VPN connection, because the configuration almost always … Read More
Cisco ASA: multiple context and capture
Packet captures are very useful for troubleshooting purposes. The Cisco ASA supports packet captures even in multiple context mode. I normally configure packet captures on CLI level. This can be done by configuring an access-list to match the specific traffic you would like to capture. Add the access-list and the specific interface in a capture command. … Read More
Cisco IOS-XE 16.x
Cisco has release new IOS-XE software, called IOS-XE Denali 16.x. This software is available for Cisco ASR routers and Cisco Catalyst 3850/3650 switches. In the end IOS-XE Denali should be available for all switches. A good overview of Cisco Catalyst IOS XE Denali is explained in this Youtube video from Tech Field Day. Below you … Read More