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SBS & όχι μόνο , Ioannis Zontos


Slow Network Performance on SBS 2011

Posted by Ioannis Zontos , 20 October 2011 - - - - - - · 289 views

Έχει παρατηρηθεί σε αρκετούς πελάτες με εγκαταστάσεις SBS2011 που ειναι  είτε σε virtual περιβάλλον  είτε σε φυσικό μηχάνημα ,αργό network performance
Αυτό παρατηρείτε ειδικά στα site του Small Business Server και ειδικά στο Outlook Web Access στο Remote Web Access ,αλλα και  στο file service and shares printers , αυτες οι υπηρεσίες...


Windows Server Solutions BPA Updated September 2011

Posted by Ioannis Zontos , 18 October 2011 - - - - - - · 508 views

  Το νέο update για το WSSG BPA(windows server solution Best practice ) που δημοσιεύτηκε τον Σεπτέμβριο έχει προσθέσει αρκετά νέα rules για ελέγχους στο δίκτυο μας.Αναλυτικά ο συνολικός αριθμός ελέγχον ανά έκδοση server είναι Small Business Server 2011 Standard Edition 102
Small Business Server 2011 Essentials 78
Windows Storage Ser...


Can’t create a new Receive connector after installing Rollup #1 or #2 for Exchange 2007 SP3

Posted by Ioannis Zontos , 25 September 2011 - - - - - - · 469 views

Μετά την εγκατάσταση του Microsoft Exchange 2007 service pack 3, η rollup #1 η rollup #2 αν προσπαθήσουμε να φτιάξουμε ένα νέο receive connector θα έχουμε το έξης λάθος error: Summary: 1 item(s). 0 succeeded, 1 failed. Elapsed time: 00:00:00 test Failed Error: Active Directory operation failed on SBS01.ks.local. This error is not retriable. Additio...


Adobe Patch Day: Updates for Flash, Shockwave, and Photoshop

Posted by Ioannis Zontos , 12 August 2011 - - - - - - · 425 views

Severity: High Summary: · These vulnerabilities affect: Adobe Shockwave Player, Flash Player, Flash Media Server, and Photoshop · How an attacker exploits them: Multiple vectors of attack, including enticing your users to open malicious files or visit specially crafted web sites · Impact: Various results; in the worst case, an attacker can gain comple...


Three Development Related Microsoft Bulletins

Posted by Ioannis Zontos , 12 August 2011 - - - - - - · 304 views

Among the other security bulletins released during Patch Day, Microsoft also released three updates covering security vulnerabilities in various development related software packages. These security bulletins included: · MS11-066: Microsoft Chart Control ( .NET Framework) Information Disclosure Flaw · MS11-067: Microsoft Report Viewer and Visual Studio...


Microsoft DNS Server NAPTR Code Execution Vulnerability

Posted by Ioannis Zontos , 12 August 2011 - - - - - - · 350 views

Severity: High Summary: · This vulnerability affects: The DNS service that ships with the Server versions of Windows · How an attacker exploits it: By sending specially crafted DNS queries · Impact: In the worst case, an attacker gains complete control of your DNS server · What to do: Deploy the appropriate Windows  update immediately, or let Wi...


Vissio Security Problem , Visio Document Parsing Vulnerabilities

Posted by Ioannis Zontos , 12 August 2011 - - - - - - · 298 views

Severity: Medium Summary: · This vulnerability affects: All current versions of Microsoft Visio · How an attacker exploits it: By enticing one of your users into opening a maliciously crafted Visio document · Impact: An attacker can execute code, potentially gaining complete control of your users' computers · What to do: Deploy the appropriate Visio...


Bulletins Affect TCP/IP Stack, Data Access Components, the Kernel, and More

Posted by Ioannis Zontos , 12 August 2011 - - - - - - · 317 views

   Summary: · These vulnerabilities affect: All current versions of Windows and components that ship with it · How an attacker exploits them: Multiple vectors of attack, including sending specially crafted network packets, enticing your users to open malicious files, or running malicious applications locally · Impact: Various results; in the...


Hackers take aim at prison locks and other real-world targets

Posted by Ioannis Zontos , 09 August 2011 - - - - - - · 404 views

Ένα πολύ καλό άρθρο για τα θέματα ασφαλείας που μπορούν να επηρεάσουν την καθημερινότητα μας , για τους κινδύνους που γεννιούνται καθημερινά , είναι σίγουρα άξιο σχολιασμού , παραθέτω το άρθρο στα αγγλικά Las Vegas (CNN) -- If you've seen the 1983 movie "WarGames," in which a young Matthew Broderick accidentally uses computers to bring the world to th...


Zero-day bug found in WordPress themes

Posted by Ioannis Zontos , 04 August 2011 - - - - - - · 429 views

     A bug in a popular WordPress utility is being misused by attackers to upload and make appear on the targeted site annoying and possibly malicious content.
  The bug was discovered by Mark Maunder, the CEO of Feedjit, when he loaded his blog and an ad that should not have been there popped up.
After digging through the co...

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