14

Jan/12

Pay & Go Sim For Tablets

Filed Under Mobile Phone, Networking at 14th January 2012 8:54 by

I was on a hunt for a regular sim card for a tablet and had different experiences with each shop: T-Mobile Store – Closet store on arrival. Staff was helpful in helping us and offered a regular pay and go … Continue reading →

8

Nov/11

namebench – DNS Tester

Filed Under Networking at 8th November 2011 0:01 by

There’s a really good DNS benchmark tester called namebench. It’s free (beer and source) and runs on Windows and Mac OSX. The software tests the current DNS as well as popular DNS servers like OpenDNS and Google. It also has … Continue reading →

27

Oct/11

DD-WRT On D-Link DIR-615

Filed Under Networking at 27th October 2011 0:01 by

I had a spare Netgear DG834N router lying around and thought about flashing it with a different firmware such as Tomato or xWRT but the router was not compatible with any 3rd part firmware. This lead me to replacing the … Continue reading →

21

Sep/11

Security Holes & Backdoors In FreePBX

Filed Under Linux, Networking, PBX, Security at 21st September 2011 17:20 by

I found a chilling article by chance the consequence was extremely bad! It seems security was not high on the agenda when FreePBX was initially developed and the developers had built some default and backdoors into a system for easy … Continue reading →

28

Aug/11

WiTopia VPN Abroad

Filed Under Mobile Phone, Networking at 28th August 2011 19:01 by

Overview I recently went abroad to Cyprus and got a chance to try using a VPN service “on the road”. I had my Android and Linux devices with mixed results. Please continue reading to find out more. Ubuntu 11.04 I … Continue reading →

20

Jul/11

Linux – List Open Ports

Filed Under Linux, Networking at 20th July 2011 21:11 by
Tags: ,

Command to list all the ports that are open / listening for incoming traffic: $netstat -a | egrep ‘Proto|LISTEN’

3

Jul/11

Ubuntu 10.04 Firewall (UFW) Basics

Filed Under Linux, Networking, Security at 3rd July 2011 0:01 by

Overview UFW or Uncomplicated FireWall is a basic software solution for protecting against network intrusions. It’s basic in the form that it’s a wrapper around the more powerful and complex iptables and therefore makes some assumptions such as rate limits. … Continue reading →

25

May/11

WiTopia VPN Service Review

Filed Under Networking, Security at 25th May 2011 0:01 by

I have always wanted to get a VPN server running at home so that I can tunnel back into the network remotely and also to protect myself on public hot spots. The former was more complicated than I thought and … Continue reading →