Tag Archives: Bulletproof

Mac OS X L2TP VPN to Cisco IOS

Just spent a couple of hours trying to get a Mac OS X laptop connected to a Cisco IOS IPSEC/L2TP server. The existing configuration worked fine for windows and linux servers but the Mac just refused to establish a connection. The Cisco logs contained the usual cryptic message. Dec 16 16:53:47.955: IPSEC(validate_proposal_request): proposal part #1, [...]

Melbourne Cup Dip2

To quote Justaan: This is what we call the Melbourne Cup Network Effect It seems it really is the race that stops the nation. This is a graph of Bulletproof’s outbound web traffic for today. That’s a 37% drop in outbound traffic just after 3pm. Make sure you take note of my l33t gimp skills!

SFD2006 – Return to sender

Pia posting about Software freedom day, software freedom day online shop is up, reminded me about something I’ve been meaning to post for a while. When you send in the address to get your team’s t-shirts and goodies, make sure you get it right! Last year I helped pack all the goodies that we sent [...]

linux.conf.au brings about another change

Being Technical Guru for linux.conf.au 2007 was one of the most amazing experiences I’ve had in recent years. It was a lot of hard work but it was totally worth it. Having a room burst into applause at the penguin dinner when you say your the network guy is pretty unbelievable. I went up to [...]

iptables evilness

Matt came to me with an interesting problem at Bulletproof this week. We have a dedicated hosting customer who talks to an external application for e-commerce. The IP for this was going to change but they needed to do to some testing before the switch. As usual with most enterprise applications, the hostname was hard [...]

ThinkingLinux ’06

ThinkingLinux ’06 was held in Melbourne a few days ago. It was organised by Synergy Plus with sponsorship by RedHat. Novel and a few others. I gave a talk on Open Source in the Data Centre. Luckily this talk was after lunch so I got to do some editing in the morning sessions to tweak [...]

Open Source in the Data Centre

Next Tuesday (17th Oct) I’ll be giving a presentation at Thinking Linux ’06 in Melbourne. The talk is entitled Open Source in the Data Centre and I’ll be covering things like Load Balancing “Stuff” (IPVS, keepalived, heartbeat) Monitoring using Nagios and MRTG/rrdtool Authentication with OpenLDAP anf FreeRADIUS and a whole lot of other random things [...]