Posts:

Cisco VoIP Phones – A Hackers Perspective

Introduction

In the world of VoIP phones, each person may look at them differently. For some, an annoyance that sit on their desk, or maybe for some it is simply a part of their job either deploying them or Read more
Read More

Script to backup Cisco switches via telnet / tftp

A couple of days ago, I have released a small perl script to back up Cisco IOS based switches via telnet.

I know there are a couple of similar scripts available on the internet, but most of them either Read more

Read More

Free Tool – Cisco Ironport C350 Safelist / Blocklist merge utility

If you have multiple Cisco Ironport C350 devices, you may have noticed that safelist / blocklist entries are bound to an individual device. So if your Ironport devices are both installed to handle incoming mails, end users need to Read more

Read More

Cisco switch IOS cheat sheet

Reset to factory defaults :

  • connect console (9600/8/None/1, no flow control)
  • take out power cable
  • press mode button (at the front), hold it,  and put power cable back
  • switch will go into recovery mode
  • run :
    • flash_init
    • load_helper
  • rename Read more
Read More