IOS Adventures

There are currently two licensing models for Cisco Secure Client, that is until Cisco decides to change or rename them once again! * Cisco S...

Here are my notes on STP protection methods. Root Guard Port never becomes Root Port. Guards against receiving an unwanted/unexpected Superi...

I do a lot of Switch/VLAN migration these days because of the ongoing Data Center migration, so a Spanning Tree refreshment was necessary, h...

Altı sonra doldurulacak. https://integratingit.wordpress.com/2018/06/09/configuring-a-vti-tunnel-between-asa-firewall-and-ios-router/ https:...

sysstat  is a great set of tools that you can use to collect statistics for I/O, CPU, memory, network and processes for troubleshooting and ...

Lots of stuff going on here. We have two sites for our company named Central-Office and Branch-33. The CO is connected to our ISP w/ two edg...

Sometimes a switch/router won't let you connect to it. Coming back as telnet/shh connection refused. If the hardware is otherwise functi...

 One of the first things I configure in a newly installed Wireshark is the color for the  active/inactive selected item. Normally this item ...

When logging into Fortigate, certain operations are checked and a reminder window has to be passed before you get to the dashboard. For exam...

Cisco ASA has a different way setting up Phase1/Phase2 parameters for an IPsec tunnel. Where other vendors have specific menu/commands to en...

You can receive the following error message when trying to import a PKCS12 (.p12 or .pfx) file into the FortiAuthenticator to use as a certi...

Starting with version 12.3, Cisco introduced a new IOS packaging system for routers and switches. Here are some links from cisco for detaile...

Building a Security Operations Center (SOC): Sharing Experiences from the Front Lines  Link The link above will take you to a very informati...

Here's how I go about to capture packets in a Fortigate Firewall which does not have a disk. 1. Use a good SSH Client that can log the s...

Let's see how we Export Netflow from Cisco Switches to Solarwinds Netflow: Create Flow Record Create Flow Exporter Create Flow Monitor A...

Between 1998 and 2002, I studied Computer Science in Graceland College (now called Graceland University) My programming teacher was Gary Has...

I read a good article about red teaming:  https://medium.com/@dmchell/what-ive-learned-in-over-a-decade-of-red-teaming-5c0b685c67a2 Here a...

Cisco Firepower A Brief History Evolution of Firepower Sourcefire founder Martin Roesch shares lessons from building a $2.7 billion b...

https://ccienotes.blogspot.com/2007/08/ip-prefix-list.html

14.4k baud connecting.... History01 Article01 ekşi entry Türkiye'nin ilk internet mesaj ağında yaşananları anlattılar! wikipedia entry H...

Links:  http://internet.org.tr/ https://www.linux.org.tr/2020/04/23-internet-haftasi-bildirgesi-turkiyede-internetin-27-yasi-kutlu-olsun-int...

The virtual desktops feature is pretty useful in Windows 10. Here are a few useful keyboard shortcuts to really utilize this feature for fas...

Search for detailed wireless specifications of most devices here: Wi-Fi.org FCC

There two types of Logging Syslog SNMP First of all  I set the NTP/timezone and also timestamp my logs.  #ntp server x.x.x.x This ...