How to open all ports (DMZ) in Zoom X4 DSL modem

Before continuing, you will need to know the IP address of the computer or device you will be setting as the DMZ. Open your web browser and go to . Log in using ‘admin’ as the username and ‘zoomadsl’ as the password. Click on Advanced Setup at the top of the page. Then locateContinue reading “How to open all ports (DMZ) in Zoom X4 DSL modem”

Linux ready for real-time computing in financial services

Is Linux capable of handling the mission-critical, high-volume demands of the world’s biggest financial institutions? Speakers at the recent sixth annual Linux on Wall Street conference offered solid evidence in the affirmative, despite unresolved issues concerning real-time Linux and hypervisor interoperability. Vinod Kutty, the distributed computing R&D head at the Chicago Mercantile Exchange (CME), nowContinue reading “Linux ready for real-time computing in financial services”

Zimbra Starter Edition

The Zimbra Team is releasing a new licensing package targeted towards users who want some of the features of the Network Edition, but fewer users (limit of 15). The package is US $399.00 and includes backup/restore and Connectors (iSync/Outlook). ZCS Network Starter Edition is an annual subscription for software and updates only; it doesn’t includeContinue reading “Zimbra Starter Edition” 2.4 is released

The Community is pleased to announce the release of 2.4, the latest version of the leading open source office productivity suite. 2.4 includes new features, enhancements, and bug fixes to all its core components. 2.4 is available for immediate download from New features: Users will appreciate changes such as usabilityContinue reading “ 2.4 is released”

Award-winning Zend Framework releases version 1.5!

Zend Framework was awarded a “Jolt Productivity Award” at the 18th annual Dr. Dobb’s Jolt Awards, the “Oscars of the software industry.” With over 4.5 million downloads, Zend Framework has become the fastest growing PHP framework on the market. Now the award-winning open source framework has released version 1.5 which supports new services and enhancementsContinue reading “Award-winning Zend Framework releases version 1.5!”

Using smtp_generic_maps to rewrite domain/address for outgoing mails in Postfix/Zimbra

Greetings to everyone. Sometimes, you think it’s so easy to use generic table in Postfix like this to rewrite mail address/domain for outgoing mails. It must be really easy, of course, with only Postfix. However, if you do that with the Postfix running inside a Zimbra server, you should do more work if youContinue reading “Using smtp_generic_maps to rewrite domain/address for outgoing mails in Postfix/Zimbra”

Google thành ‘gã khổng lồ’ nhờ ăn ngon

Cách đây 10 năm, công ty này chưa thành danh nhưng đã áp dụng triết lý của Napoleon “Một quân đội mạnh cần phải diễu binh với cái dạ dày no đủ” để cung cấp đồ ăn, rượu ngon miễn phí cho nhân viên. Đầu bếp Charlie Ayers làm việc tại Google từ năm 1998Continue reading “Google thành ‘gã khổng lồ’ nhờ ăn ngon”

Sendmail’s Greet_Pause

Slamming is a popular spammer tactic in which the spammer quickly fires off SMTP messages without waiting for responses from the receiving server. A poorly behaved MTA will then accept traffic from the spammer, instead of rejecting it as it should. But even well-behaved MTAs are affected because of the sheer volume of traffic withContinue reading “Sendmail’s Greet_Pause”