The Morse code watch from Tokyo telling time with three modes, either by using the built in speaker which sounds the time out with Mores code! or by pressing a button to see the Morse code on the LED , there is another button that enable you to see the time in regular. this watch is useful for those who are interested on Mores code and want to practise their brain.
Wednesday, January 23, 2008
Virtual Private Networks VPNs are an important technology that turns the Internet into a significant business, VPNs set up a secure connections between remote user and other networks by encrypting the packets sent through the Internet. VPNs based on IPsec (Internet Protocol Security). Early VPNs use the multi protocol label switching MPLS VPNs but do not encrypt data, however it adds labels to packets to assign their network path. but later VPNs became secured by using an encrypted packets with cryptographic keys that is exchanged between the sender and the receiver over the Internet. The VPN can be created using the IPsec either with the transport mode (end to end) or with the tunnel mode (portal to portal), the security implication is quite different between these modes. while using the transport mode the payload (the data that transferred) in the IP packet is only encrypted, but the IP header in the transport mode is not encrypted. in the tunnel mode the entire IP packet wich include the payload (data) and the message headers is encrypted. IP sec operate on the network layer 3 on the OSI model, it is implemented a set of cryptographic protocols. Later on the SSL (secure sockets layer) VPNs introduced on 2003 by Netscreen, the technology that offers the same encryption strengths as IPsec except that in SSL VPNs the users log in to dedicated web site that checks for the user and passwords, and use network optimization & data compression to improve performance.
Monday, January 21, 2008
There are two views behind the curtains, one from the inside and the other from the outside.. when I am in my room I am totally away from the outside world! who knows what's going on behind those windows! sometimes we need to be alone specially when it comes for taking a serious decision! I need a calm place away from people to concentrate and have a second thought! sometime it may take us one hour to make a decision and other times it could take a couple of days depending on the situation itself!
Sunday, January 13, 2008
The weather in Kuwait is getting colder and colder! I'd never thought of putting a heater in my room, Until I received a message from one of my friend mentioning that it will be freezing outside withing the upcoming days!! I know it sounds crazy, but I thought of preparing my self and get a small heater that turn it self around the room, it is pretty cool, which gave me the feeling of comfy while my window is still open!