Cisco ASA No Debug Output?
KB ID 0001477 Problem I see this get asked in forums A LOT, typically the poster has another problem they are trying to fix, someone has asked them to debug the problem and they cant see any debug output. Solution Firstly you need to understand what logging is, and how debugging fits within it. (Bear with me, this is good knowledge to have). The firewall saves logs in syslog format, and there are 8 Levels of logs, the one with the...
Connecting to and Managing Cisco Firewalls
Also see “Allow Remote Management” KB ID 0000075 Problem To connect to and manage a Cisco firewall you need three things, To be in possession of a password, (and in some cases a username). Have the ‘Method of Access granted to you’ (or have physical access to the firewall). Know a ‘Method of Access’ to the firewall for management. Cisco Firewall Passwords Unless your firewall is brand new (in which...
Mac High Sierra – Telnet and FTP Missing?
KB ID 0001364 Problem Why have Apple removed Telnet and FTP, yes they are old, yes they are insecure. For remote management you should be using SSH and for file transfers you should be using SFTP or FTPS. However what if I want to telnet to a mail server on port 25 and test email flow? What if I need to connect to a Cisco switch that does not have a K9 operating system, and only supports Telnet? -bash: telnet: command not found...
Ubuntu: Allow SSH access for ‘root’ user
KB ID 0001317 Problem First of all not being able to connect to your Ubuntu server via SSH as root is ‘by design’, and it’s a perfectly good security measure. I do find it interesting that every hosting company I ever used, spin up a new machine and then email me the root password and they’ve enabled it anyway? I needed to enable this recently and the internet is full of posts saying ‘just edit the...
ESX 4/5 – Grant Root User SSH Access
for ESXi click here KB ID 0000278 Problem ESX is built on Linux – and in the Linux environment, to root user is denied SSH access, there are valid security reasons for this, and you can SSH to the ESX box as a normal user and then issue the “su -” command to switch to root access. However, some of us still want to SSH in as root, here’s how to do it. Solution 1. Create a user on your ESX Server (Ensure the...