Astiostech – Blog, News and Updates
#TeamOpenSourceMalaysia
Had a client that was subjected to an open relay attack. In mere hours their Exchange 2007 was filled with not less than 100,000 outbound emails, indicating this server is a possible open relay. I though, i should try out the GUI to start cleaning … “Delete ALL SMTP Queues In Exchange 2007 (Quick and Dirty)”
Read MoreThere are two rated high vulnerabilities exist in Microsoft software that’s publicly disclosed and have the patches released! One of them affecting Windows OS is explained in http://www.microsoft.com/technet/security/bulletin/ms07-051.mspx for MS Agent vulnerability which pretty much affects those using Windows 2000 with SP4 (most likely a … “MSN and MS-Agent exploits”
Read MoreWhen you directly open up attachments in Outlook, they launch the application that corresponds to that attachment, e.g. a .xls file will launch Microsoft Excel. So when you start working on this file, remember to save it somewhere else (save as) to where all your … “Outlook Tip: Retrieving “lost” attachments”
Read MoreMany a times you might cross organizations that implement internal DNS for name resolution. This is especially true for those running Microsoft Active Directory, where DNS plays an integral part in it’s directory services lookup. Problems can happen when especially the domain names for both … “Split-brain DNS”
Read MoreA customer from Cambodia (shout out to Whaddanak of CBL) once asked ways in which one can publish a front end Exchange server securely in a DMZ (DeMilitarized Zone). The obvious answer is DEFINITELY YES. Since Exchange 5.5, OWA could easily be isolated from the … “ISA Server 2006 VS Exchange Outlook Web Access”
Read MoreA shout out to my friend Velan Ramalinggam, thanks for your help today 🙂 We just got back from a customer’s site and they had a complain that after enabling ISA server proxy forwarding option through routing, the ISA server became a crawl. Although direct, … “DNS and ISA Server”
Read MoreI start with a disclaimer: I do not advocate piracy nor support it. Whatever you learn from this and how you apply it to your benefit/misfit is completely beyond the purpose of this article. Be responsible for your actions or inactions 😛 OK. Sigh of … “Download MP3s via Google Search”
Read MoreA MERDEKA SHOUT OUT TO ALL MALAYSIAN! LONG LIVE MALAYSIA When purchasing a firewall long time ago, there weren’t many things to consider as it was really the lame ole’ packet and stateful filtering the few vendors boast about. Fine, that was then but these … “Firewall Considerations”
Read MoreHi there, bet most of you are wondering why’s your mom (who’s perhaps computer illiterate btw) sends an e-greeting for an occasion that has nothing to do with you (e.g. Indonesia’s national day, today!). Well, the answer is simple, they’re just SCAMS!. Recently, i’ve received … “PDF and ECard Spam”
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