Archive for August, 2008

Quagga Tutorial

This Quagga Tutorial just I write to complete Quagga Tutorial post before. Quagga is an open source routing software based on Zebra router. It’s supports the main routing protocols such as RIP, OSPF or BGP

Also in this Quagga Tutorial I will tell you that Quagga can be installed on any Linux system with a 2.4 or higher kernel. Quagga is composed of several daemons, one per routing protocol and another one called Zebra acting as the kernel routing manager. Each daemon has its own configuration file and terminal interface which can be accessed by telnet. The vtysh tool is provided to configure the Quagga router from the localhost, in a unique interface. See the Quagga tutorial for instructions on configuring the router.

Quagga works independently from the operational system (OS) over which it is installed. It must be emphasised in this Quagga Tutorial, that Quagga owns only routing capabililies and functionalities associated with it, such as access lists or route maps. It does not provide “non-routing” functionalities such as DHCP server, NTP server/client or ssh access but it is often possible to enable them on the operating system supporting your Quagga router. Read the rest of this entry »

Sarah Palin and McCain

Sarah Palin and McCain, it’s hot news In America after Democratic National Convention over. Sarah Palin the Alaska’s governor has been chosen by McCain as Candidate Couple from Republican in this 2008 U.S Elections.

"Sarah Palin and McCain in one moment”
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Port Knocking ?

Definiton

Portknocking is one method in network security used to open a closed port or open access to firewall and permit knocker enter into port by passing selected packet to selected server/firewall.

The Methode

  • use the key coats combination to protect a communications port.
  • Key of knocking port system is itself communications ports. The way to open the key is by accessing designedly some communications ports that truely closed.
  • When some communications ports accessed with selected combination, will open a new communications port and you are free to enter.
  • For example, to open the port 22 ( communications port for remote login application SSH ), you must “knock” port of 450, 360, 270, 180. When you enter correct combination in a selected time, port 22 will open like you wish

The advantages

Portknocking good for computer user often work outside or network and server administrator to managing server 24 hour everywhere. Port Knocking is remarkable method as a road access to peripherals of their computer.

Port knocking suited for the them that still wish to strengthen the computer security system and peripheral of his network, while still have personal communication into the system and can be done from everywhere.

Personal communications means connection the unopenness generally like SMTP or HTTP. Usually this personal communications have the administrative character and use the services like telnet, SSH, FTP, TFTP, and etc. This Personal communications will be dangerous if done by the others people with no previllege. By using Port knocking, the services will fixed closed to be accessed by public, but can opening by whom which have the combination knock of his port. Read the rest of this entry »

Some that implemetation IPv6

Following, vendor list which have done implementation IPv6

Apple Computer
Apple Computer have released development kit with IPv6 and IPSEC to MAC. See more..

IBM
IBM IBM have many implementations IPv6 at host like RS6000: AIX 4.3 have integrate IPv6 at the software distribution.

Microsoft
Microsoft Corporation have made the early implementation of IPv6 which available free download in website Microsoft Software Developers Network (MSDN). Code and information related to IPv6 available here..

Sun Microsystems
Sun Microsystems Inc. have developed/ the implementation IPv6 at Solaris 8.8. This implementation will walk at SPARC machine and x86. Developer Tools used to develop or porting application also available

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Fitur protocol in IPv6

IPV6 have fitures and the advantages is not had by IPv4.Some fitur is:

Multicast : more flexible than broadcast, give ability to deliver a group of host. One of the application is to broadcasting video to a group of user able to be distributed passing some site.

Anycast : give ability to deliver to a group accepting is member (node) one of the group proximate, if failure will be delivered to other node which is his distance relative close to before node and so on.

Path MTU Discovery : make host to study the maximum package measureable to be delivered without existence of fragmentation so that will improve the transmission efficiency.

eMail Scam-Dell Award Notification

You may have received the email below. If so you unfortunately are not the winner of a Dell Award, rather you are the target of a scam often referred to as a Nigerian scam.

Following is the text of the scam email:

-----Original Message-----
From: Dell Award Team [mailto:yerambooee@bigpond.com]
Sent: 08/25/2008 12:28 PM
Subject: Dell Award Notification
Dell Award Notification
We are delighted to inform you that you are one of the THREE LUCKY
WINNERS whose e-mail address won the sum payout of 1,000,000.00
pounds.(One Milion Pounds Sterlings Only) in the DELL
ELECTRONICS SEASONAL AWARD 2008.
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All Digital Guide

I was looking for DVD Copy Software online retailers until my friend told me about AllDigitalGuide. All Digital Guide provides a wide selection of software such as VSO ConvertXtoDVD, DVD Ripper Software, and many more. Beside that they also provide some review products for those who enjoying with photography or animation software like Ulead Photo Impact X3 and Morphing Software.

You can navigate the website easily using the sidebar. Or you can use the search feature to find a product faster. If you order from them, you will get some discount in every items. So, what are you waiting for? Complete your software with find at All DigitalGuide list product.

Quality of Service (QoS) approach in IPv6

In this time Internet put hand to the bases best efforts and quality of service (QoS) most outside conducting user. But User commercial from Internet take example company, will improve requirement of guarantee of quality of service (QoS) for all their traffic or at parts of selected traffic.

Without existence of improvement and election of quality, service like Internet Telephony and the video that require minimize selected quality of service (QoS) will cannot is possibly executed. Requirement of the quality of service like our desire that everyone can access our webpage swiftly, desire that our internet telephony work by way of having the maximum warranty delay transit. Other requirement take an example you wish to guarantee the existence of priority to traffic mail or other when your network is the network have the big files and user access from FTP. Or you wish to do Broadcast Video (VoD) but this traffic do not want to be disturb by other traffic.

IETF specification of approach (service integrated and separate service) to provide the warranty and election of service quality (QoS) traffic through Internet. Like IPSEC, this approach can also implementation at IPv4, but the implementation at IPv4 product don’t be like when implementation at IPv6 product. Don’t be like IPSEC, implementation QoS to IPv4 will get functions from QoS slimmer compared to the implementation at IPv6. This matter because IPv6 enter the flow lable field accurately permiting flow of traffic distinguishable, which make possibility to identify presisily traffic requiring selected quality of service (QoS).

Do Follow Search Engine

If you’re blogger and in process to look for a lot of backlink , usually you require to search do follow blog. Following is some situs that have a function like search engine for do-follow blog

linkbuildingbible

commenthunt

googlepages

backlinkspot

What is IPv6?

IPv6 is abbreviation of Internet Protocol Version 6 ( IP version 6, number of 6 here related the version number given, that is version of 6). IPv6 sometime also referred with Next Generation Internet Protocol (IPng). Ipv6 this have been recommended by director Area IPng from Internet Engineering Task Force ( IETF) when IETF meeting at 25 July 1994 like written in RFC 1752, with entitle The Recommendation for the IP Next Generation Protocol. This recommendation have been agreed by Internet Engineering Steering Group and made standart proposal at 17 November 1994.

IPv6 which design by IETF used to change the version IP (Internet Protocol) in this time that is IP version of 4 ( IPv4). Most of all or can be told all user Internet in this time use Ipv4. Ipv4 have proven delay during the time, but there are problem to Ipv4 this, especially at allocation IP.. Referring to on the wane of address Ipv4 the availableness, hence required the new mechanism to be added to Internet.

IPv6 have address length 128bit is while address length of IPv4 is only 32bit. IPv6 improve;repair a number of internal issues IPv4, like limitation of address allocation IP which be available in IPv4. IPv6 also add a number of growths from IPv4 like routing and autokonfigurati on network. Ipv6 expected step by step replace IPv4.