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• Securing a Windows Server 2008 R2 Public Web Server

  - by Denny Ferrassoli

  I'm setting up a public web server: Windows Server 2008 R2, IIS7.5. Does anyone have a tutorial / walkthrough / tips on properly securing a public web server? I've seen a few tutorials but mostly focused on Windows Server 2003. What I've done so far: Created a specific user account for the website / app pool, Renamed Admin account, Installed FTPS, Configured firewall to block any non-public service (web / https), Configured firewall to allow access to management interfaces only from specific IP addresses (rdp, IIS management, ftp) Maybe a few other things but can't remember at the moment... ICMP is allowed... Should I disable all except ping? Port scan reveals only web and https ports. Any other suggestions? Thanks

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• Can't resolve localhost on Mac OS X Server

  - by iainbeeston

  I have a server running OS X Server 10.5 and it can't resolve localhost to 127.0.0.1. When I try ping this is what happens: ping localhost ping: cannot resolve localhost: Unknown host SSH and web browsers get similar results (uknown host). If I try using 127.0.0.1 or the ip address assigned on the LAN all of the above work. Here's the contents of my /etc/hosts file: cat /etc/hosts ## # Host Database # # localhost is used to configure the loopback interface # when the system is booting. Do not change this entry. ## 127.0.0.1 localhost 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost I have no local DNS service running. Does anyone have any idea why this might be happening or how I can fix it?

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• Streamline Active Directory account creation via automated web site

  - by SteveM82

  In my company we have high employee turnover, and hence our helpdesk receives about a dozen requests per week for new Active Directory accounts. Currently, we receive these requests simply via e-mail or voice-mail, and rarely do we have all of the information necessary to create the account. I would like to find a web application that can be used by a manager or supervisor to formalize the requests they make for AD accounts for new employees under their command. Ideally, the application would prompt for all of necessary information, and allow the helpdesk to review the requests and approve or deny each one. If approved, the application would take care of creating the account and send an e-mail to the manager. I have found several application on the Internet that handle self-service account management (i.e., password resets or update contact info), which is also nice to have, but nothing that streamlines the new account request and creation part. Can anyone make suggestions on such an application? Thanks.

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• Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError

  - by e0594cn

  We recently installed an Exchange 2010 Server and we are having some problems sending emails to certain domains. Email is stuck in the queue with 421 4.2.2 Connection dropped due to SocketError. Any Suggestion? The below is the message when using telnet command: EHLO etla.com.cn 250-aa6061.com Hello [58.215.221.50] 250-TURN 250-SIZE 15360000 250-ETRN 250-PIPELINING 250-DSN 250-ENHANCEDSTATUSCODES 250-8bitmime 250-BINARYMIME 250-CHUNKING 250-VRFY 250-X-EXPS GSSAPI NTLM LOGIN 250-X-EXPS=LOGIN 250-AUTH GSSAPI NTLM LOGIN 250-AUTH=LOGIN 250-X-LINK2STATE 250-XEXCH50 250 OK MAIL FROM:[email protected] 250 2.1.0 [email protected] OK RCPT TO:[email protected] NOTIFY=success,failure **550 5.7.1 Your email messages have been blocked by the recipient OR by Trend Mic ro Email Reputation Service. Contact the recipient or his/her administrator usin g alternate means to resolve the issue.**

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• AT&T’s new prepaid plan for smartphones –$65 for 1 GB data and unlimited calls, text

  - by Gopinath

  AT&T is stepping up competition in prepaid mobile plans offering and trying to attract more smartphone customers who are not interested to lock in with expensive contracts. Today AT&T announced a new prepaid plan for smartphone customers which offers 1 GB of , unlimited calls and text for $65 a month. Compared to existing plans that offers same , the new plan saves $10 per month and rates are comparable to T-Mobile prepaid service. The new plan will be available to all prepaid customers from October 7, 2012. I’m using AT&T prepaid plan for the past 3 months and paying $75 for 1 GB data, unlimited calls. Few days ago I did some analysis on prepaid plans offered by various network providers and found T-Mobile has cheapest plans that suits my needs – $60 for 2 GB data,  unlimited calls and texts. Even though T Mobile’s network coverage is not as great as AT&T in the area where I live, I planned to switch to save $15 per month. After reading today’s announcement, I don’t think that I’ll switch to T Mobile for saving $5 + 1 GB of extra data.  Thanks AT&T for the new plan, I’ll stay with you for now. via engadget

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• Restarting Hudson - Windows Installation

  - by Toggo

  Whenever I update/install a new plugin or update hudson. Once the new plugin/update has been installed a button appears "Restart when no jobs are running." If I click this button hudson appears to try to restart but then just hangs. Has anyone else experienced this? Can hudson be forced to restart another way? I've tried restarting the service but this has no effect. I've asked this question over at stack overflow, so will update this if I get an answer from there. Thanks Tom

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• IKE2 VPN Server Certificate expired. How do I issue a new one

  - by Preet Sangha

  This is a completely new area for me. We are getting "13801: IKE Auth Credentials are unacceptable" messages when connecting to our VPN service on a small Windows 2008R2 domain. Doing a google search has lead me to investigate the Certificate Authority. I've looked in the Certificate Authority | Issued Certificates And the one for the VPN Reconnect is marked as expired since a couple of hours a ago. Can some one tell me what the step I need to take to regen/reissue a simillar cert please? FYI:The client certs are not expiring for a number of years so they are fine.

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• Best of OTN - Week of August 10th

  - by CassandraClark-OTN

  Brief pubic service announcement before we get into the OTN community best of content for the week.... Four Bands. Three Epic Nights. Join Oracle for three evenings of entertainment and fun, all during Oracle OpenWorld and JavaOne, September 28-October 2, San Francisco. Learn More Architect Community Any discussion of the best of OTN must include the OTN ArchBeat Podcast. Consistently among the top 3 most popular Oracle podcasts, Archbeat focuses on real conversations with community members. Normally I pick the topics and the guest panelists for each program, but now you have a chance to take over that role and become a Guest Producer. In that role you'll pick the discussion topic and the panelists, while I do the all of the grunt work, allowing you to bask in the glory Want to know how to become an OTN ArchBeat Podcast Guest Producer? You'll find the details here: Yes, you can take over the OTN ArchBeat Podcast! And here are two examples of OTN ArchBeat Podcasts produced by community members: Data Warehousing and Oracle Data Integrator, from July 2013, was produced by Oracle ACE Director Gurcan Orhan, and features panelists Uli Bethke , Cameron Lackpour , and Michael Rainey . DevOps, Cloud, and Role Creep, from June 2013, was produced by Oracle ACE Director Ron Batra and features panelists Basheer Khan and Cary Millsap -- OTN Architect Community Manager Bob Rhubart Database Community OTN DBA/DEV Watercooler Blog - Did You Say "JSON Support" in Oracle 12.1.0.2?. -- OTN Database Community Manager Laura Ramsey Java Community The Java Source Blog - walkmod : A Tool to Apply Coding Conventions . Friday Funny: I was worried the #NSA might be spying on me Thanks, @pacohope. -- OTN Java Community Manager Tori Weildt Systems Community The OTN Systems Community HomePage- Find Great Resources for System Admins and Developers. -- OTN Systems Community Manager Rick Ramsey

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• unable to connect gmail and hotmail via telnet

  - by codeomnitrix

  Hey all i am try to connect to gmail and hotmail server via telnet. As: $: telnet smtp.gmail.com 25 Trying 74.125.127.109... Connected to gmail-smtp-msa.l.google.com. Escape character is '^]'. 220 mx.google.com ESMTP j3sm3044317ybe.11 helo 250 mx.google.com at your service 220 2.0.0 Ready to start TLS mail from: [email protected] Connection closed by foreign host. Here codeomnitrix is a user of smtp.localhost.com. And i am running postfix at my system with sitename being smtp.localhost.com. And i am able to sent mail locally from one user to another user but can't send to any other user who is not local. Thanks in advance:)

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• Event ID 8021 The browser was unable to retrieve a list of servers from the browser master

  - by Ash

  We have a LAN where workstations are randomly losing network connectivity for brief moments of time. The workstations can also take a long time to login to the domain. During our troubleshooting we have found an error log on a few Windows 7 workstations: Warning BROWSER 8021 The browser was unable to retrieve a list of servers from the browser master \\random-pc on the network \Device\NetBT_Tcpip_{BBABCDE9-D8A0-4399-93F2-492FE0848B12}. The data is the error code. What do these errors mean? What computers should have the Computer Browser service enabled, workstations and/or servers? The environment is a mix of Windows 7 & Windows XP workstations on a Windows Server SBS 2011 SP1 domain.

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• Citrix Secure Gateway not redirecting to login URL

  - by Dave

  We have an older setup for XenApp - users log in through Citrix Secure Gateway running on a windows box. (We hope to start using a NetScaler soon.) Earlier today, connections to https://citrix.company.com/ starting throwing up a 503 error page, instead of redirecting to https://citrix.company.com/Citrix/XenApp/ If you go directly to the /Citrix/Xenapp/ URL, the user is properly directed to the login page, and can launch apps. We've restarted the service, and rebooted the server. We haven't yet tried uninstalling and reinstalling the software. Before we do this, I'm looking for ideas as to how we can get the redirect working again without a fairly major outage window. To make things more interesting, many of our users have Citrix Receiver installed, also pointed at https://citrix.company.com/. Receiver makes itself the default launcher for ICA files, and gives a connection error when it tries to load apps - probably because of the same non-functional rediect?

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• Nginx user subdomains, should I proxy_pass?

  - by Kevin L.

  I am trying to setup user subdomains, serving content from specific folders: www.example.com/username served from username.example.com (just like github pages). I've looked at Nginx rewrites, but I don't want the browser to redirect--I want the domain to be username.example.com. Anyway, a comment on this question says that I cannot rewrite host, only proxy to it. I tried to setup a proxy_pass, but all of the documentation and examples show it being used to (obviously) proxy to a service on another host or port, but in my case I want to just proxy to another location on the same host and port. Is this the appropriate way to tackle this problem, and if so, what is the right Nginx config syntax?

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• UDP packets to IP addresses other than specific ones not arriving and not shown in Wireshark

  - by Max

  I'm writing a service using UDP, but I can't manage to reply to the client. When sending to the client via the DHCP-assigned IP (192.168.1.143) Wireshark shows no sent packets. The server receives and Wireshark shows any packet sent by the client (broadcasted). If I send to a random, unassigned IP Wireshark doesn't show it. I thought the NIC would happily send it, since there is a router in the way - shouldn't Wireshark show it, even though it cannot possibly be received by a remote endpoint? If I send to either the router IP or another (specific, there is only one other) computer, the packet is shown in Wireshark. I am running Windows 7, the firewall is turned off using the control panel. Does the fact that wireshark doesn't show these packets mean that they aren't sent? What reason could there be for showing packets to one IP, but not another, on the same subnet?

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• Lucene and .NET Part I

  - by javarg

  I’ve playing around with Lucene.NET and trying to get a feeling of what was required to develop and implement a full business application using it. As you would imagine, many things are required for you to implement a robust solution for indexing content and searching it afterwards. Lucene is a great and robust solution for indexing content. It offers fast and performance enhanced search engine library available in Java and .NET. You will want to use this library in many particular scenarios: In Windows Azure, to support Full Text Search (a functionality not currently supported by SQL Azure) When storing files outside or not managed by your database (like in large document storage solutions that uses File System) When Full Text Search is not really what you need Lucene is more than a Full Text Search solution. It has several analyzers that let you process and search content in different ways (decomposing sentences, deriving words, removing articles, etc.). When deciding to implement indexing using Lucene, you will need to take into account the following: How content is to be indexed by Lucene and when. Using a service that runs after a specific interval Immediately when content changes When content is to available for searching / Availability of indexed content (as in real time content search) Immediately when content changes = near real time searching After a few minutes.. Ease of maintainability and development Some Technical Concerns.. When indexing content, indexes are locked for writing operations by the Index Writer. This means that Lucene is best designed to index content using single writer approach. When searching, Index Readers take a snapshot of indexes. This has the following implications: Setting up an index reader is a costly task. Your are not supposed to create one for each query or search. A good practice is to create readers and reuse them for several searches. The latter means that even when the content gets updated, you wont be able to see the changes. You will need to recycle the reader. In the second part of this post we will review some alternatives and design considerations.

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• Insulate hosted client domains from server IP address change?

  - by babtek

  I will be hosting web content for many client domains on a single IP address (with a web hosting company, not inhouse machine). Initially, I must give client some information to configure their registrar to point the domain to my server. I want client domains insulated from a potential IP address change, so if I change hosts/IP address they don't have to reconfigure anything with their registrar. Is this reasonably possible without running my own nameserver? If so, what would be the smartest way to make it happen? Instruct clients to make CNAME record? Use some type of DNS management service that clients would use as a nameserver?

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• Cloud-Burst 2012&ndash;Windows Azure Developer Conference in Sweden

  - by Alan Smith

  The Sweden Windows Azure Group (SWAG) will running “Cloud-Burst 2012”, a two-day Windows Azure conference hosted at the Microsoft offices in Akalla, near Stockholm on the 27th and 28th September, with an Azure Hands-on Labs Day at AddSkills on the 29th September. The event is free to attend, and will be featuring presentations on the latest Azure technologies from Microsoft MVPs and evangelists. The following presentations will be delivered on the Thursday (27th) and Friday (29th): · Connecting Devices to Windows Azure - Windows Azure Technical Evangelist Brady Gaster · Grid Computing with 256 Windows Azure Worker Roles - Connected System Developer MVP Alan Smith · ‘Warts and all’. The truth about Windows Azure development - BizTalk MVP Charles Young · Using Azure to Integrate Applications - BizTalk MVP Charles Young · Riding the Windows Azure Service Bus: Cross-‘Anything’ Messaging - Windows Azure MVP & Regional Director Christian Weyer · Windows Azure, Identity & Access - and you - Developer Security MVP Dominick Baier · Brewing Beer with Windows Azure - Windows Azure MVP Maarten Balliauw · Architectural patterns for the cloud - Windows Azure MVP Maarten Balliauw · Windows Azure Web Sites and the Power of Continuous Delivery - Windows Azure MVP Magnus Mårtensson · Advanced SQL Azure - Analyze and Optimize Performance - Windows Azure MVP Nuno Godinho · Architect your SQL Azure Databases - Windows Azure MVP Nuno Godinho   There will be a chance to get your hands on the latest Azure bits and an Azure trial account at the Hands-on Labs Day on Saturday (29th) with Brady Gaster, Magnus Mårtensson and Alan Smith there to provide guidance, and some informal and entertaining presentations. Attendance for the conference and Hands-on Labs Day is free, but please only register if you can make it, (and cancel if you cannot). Cloud-Burst 2012 event details and registration is here: http://www.azureug.se/CloudBurst2012/ Registration for Sweden Windows Azure Group Stockholm is here: swagmembership.eventbrite.com The event has been made possible by kind contributions from our sponsors, Knowit, AddSkills and Microsoft Sweden.

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• windows 7 crash during hibernation

  - by Andrew Fforts

  At times, when I hibernate my Dell Latitude e6400 with Windows 7 (64 bit), the laptop screen goes black as it should, but then it takes several minutes before it powers down. Then, when I attempt to "resume," Windows boots up from a fresh startup, with all my work lost, and tells me that it's recovered from a serious error. What can I do to resolve this problem? Other background info: -I got a new hard drive with plenty of space about a year ago; I only use a small fraction of that space. This sometimes happens when I don't have any programs running at all. If it's relevant, I do have Dropbox and OneDrive running in the background, though. -The problem usually occurs when I hibernate just after I unplug from an external monitor to bring my laptop home, but I believe it happens at other times, too. Problem signature: Problem Event Name: BlueScreen OS Version: 6.1.7601.2.1.0.256.4 Locale ID: 1033 Additional information about the problem: BCCode: 1000009f BCP1: 0000000000000004 BCP2: 0000000000000258 BCP3: FFFFFA80036DEB50 BCP4: FFFFF80000B9C510 OS Version: 6_1_7601 Service Pack: 1_0 Product: 256_1

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• How to use router QoS?

  - by Nathaniel

  N00b question. How exactly does one use router quality of service settings? I've read up on it a bit but I'm still not exactly sure how to use it. So, my real questions are these: Generally, how does QoS work? How would one use it, say, to guarantee smooth performance in latency sensitive application (cough online gaming cough)? Performance for that sort of stuff bombs out on our connection when somebody is uploading files. I apologize if this is kind of sprawling. Suggestions to clean it up / edits welcome.

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• How to enable services Discovery API in GoogleCL?

  - by Marcos

  There are bits and pieces of information all over the place but I'm trying to put it all together so that GoogleCL finally accesses more than the initial 7 services. Does anyone know of a step-by-step? Right now any attempt outside these result in the error message: google tasks list Did you specify the service correctly? Must be one of 'picasa', 'blogger', 'youtube', 'docs', 'contacts', 'calendar', 'finance' I installed GoogleCL from the Ubuntu repos, authenticated a few bundled services like contacts, docs etc. and those work great, giving me access to do certain operations like upload from the command line. I would really like to get it going to support tasks and all the other elegible Google services shown at https://code.google.com/apis/explorer/#_s=tasks Here are some guides/partial steps I've found: http://code.google.com/p/googlecl/wiki/DiscoveryManual (indicates needing to check it out updated GoogleCL from the subversion repository.) http://code.google.com/p/google-api-python-client/wiki/Installation easy_install --upgrade google-api-python-client http://code.google.com/p/googlecl/wiki/Install http://code.google.com/p/googlecl/source/checkout sudo -i cd /usr/local/src/ svn checkout http://googlecl.googlecode.com/svn/trunk/ googlecl-read-only cat googlecl-read-only/INSTALL.txt cd /usr/local/src/googlecl-read-only/ python setup.py install Result: $ google discovery list Traceback (most recent call last): File "/usr/bin/google", line 488, in run_interactive run_once(options, args) File "/usr/bin/google", line 540, in run_once options.config) File "/usr/bin/google", line 364, in import_service force_gdata_v1 = config.lazy_get(package.SECTION_HEADER, AttributeError: 'module' object has no attribute 'SECTION_HEADER'

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• Welcome to the Weblog on Oracle ADF Mobile!

  - by joe.huang

  Welcome to ADF Mobile team's weblog.  My name is Joe Huang - I am the product manager for ADF Mobile.  Oracle ADF Mobile is a part of Oracle's Application Development Framework (ADF) that support the development of enterprise/business applications that run on mobile devices.  The development tool for this framework is of course Oracle JDeveloper.  As some of you may know, we currently support the development of mobile browser-based application - this part of product is called ADF Mobile Browser.  Additionally, we are close to release a technology preview of ADF Mobile Client, which supports development of on-device, disconnect capable mobile applications.  What's truly unique about ADF Mobile development process is that it's a very visual and declarative experience, while still allow power Java developers to completely extend the framework to their liking.  The framework also provides a rich set of services needed by an enterprise-grade mobile application - these services would literally take years to implement if they are to be built from the ground up.  However, by using JDeveloper and ADF Mobile, you get the entire framework at your service!In the coming entries, the ADF Mobile product development team will publish any news, best practices, our observation on mobile technology trends, or just our experiences in playing with "gadgets".  Be sure to check back on this page!Sincerely,Joe HuangOracle

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• BizTalk 2009 - BizTalk Server Best Practice Analyser

  - by StuartBrierley

  The BizTalk Server Best Practices Analyser  allows you to carry out a configuration level verification of your BizTalk installation, evaluating the deployed configuration but not modifying or tuning anything that it finds. The Best Practices Analyser uses "reading and reporting" to gather data from different sources, such as: Windows Management Instrumentation (WMI) classes SQL Server databases Registry entries When I first ran the analyser I got a number of errors, if you get any errors these should all be acted upon to resolve them, you should then run the scan again and see if any thing else is reported that needs acting upon. As you can see in the image above, the initial issue that jumped out to me was that the SQL Server Agent was not started. The reasons for this was absent mindedness - this run was against my development PC and I don't have SQL/BizTalk actively running unless I am using them.  Starting the agent service and running the scan again gave me the following results: This resolved most of the issues for me, but next major issue to look at was that there was no tracking host running.  You can also see that I was still getting an error with two of the SQL jobs.  The problem here was that I had not yet configured these two SQL jobs.  Configuring the backup and purge jobs and then starting the tracking host before running the scan again gave: This had cleared all the critical issues, but I did stil have a number of warnings.  For example on this report I was warned that the BizTalk Message box is hosted on the BizTalk Server.  While this is known to be less than ideal, it is as I expected on my development environment where I have installed Visual Studio, SQL and BizTalk on my laptop and I was happy to ignore this and other similar warnings. In your case you should take a look at any warnings you receive and decide what you want to do about each of them in turn.

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• MySQL Database Replication and Server Load

  - by Willy

  Hi Everyone, I have an online service with around 5000 MySQL databases. Now, I am interested in building a development area of the exactly same environment in my office, therefore, I am about to setup MySQL replication between my live MySQL server and development MySQL server. But my concern is the load which will occur on my live MySQL server once replication is started. Do you have any experience? Will this process cause extra load on my production server? Thanks, have a nice weekend.

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• Connecting to Exchange Server 2003 over POP using openssl s_client

  - by Andreas Jansson

  Hi, I'm trying to fetch emails programmatically from Exchange 2003 over POP. As a proof of concept I'm trying to connect using openssl s_client. I've started the POP service on my Exchange server. Trying to connect using openssl s_client -connect MYEXCHANGESERVER:995 returns 20303:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:s23_lib.c:188: Trying openssl s_client -connect MYEXCHANGESERVER:995 -starttls pop3 returns CONNECTED(00000003) write:errno=32 Forgive a newb - I'm basically shooting wildly in the dark with no idea on what I'm supposed to be doing. In the past I've read my GMail over openssl s_client, and setting up those certificates was easy and well documented. I would imagine I need to set up some sort of certificate here as well, and I've looked a bit at using a .pfx file. But like I said, I'm completely lost here. Thankful for any advice, Andreas

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• Remotely turn on a device that is powered off?

  - by njboot

  Verbatim from the interview between Brian Williams and Edward Snowden last night: Snowden: Any intelligence service in the world that has significant funding and a real technological research team can own that phone [refering to Williams' iPhone] as soon as it connects to a network; it can be theirs. Williams: Can anyone turn it on remotely if it's off? Snowden: They can absolutely turn it on with the power turned off on the device. I concede Snowden's first point, fine. But the last? Does Snowden's last claim, that a powered off mobile device can be remotely turned, have any merit? It seems highly improbable and seemingly impossible.

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• IBM Tivoli Network Manager IP Edition - Job does not run

  - by Thorsten Niehues

  Since our network discovery takes too long I tried to split the biggest job into two parts. The two parts use the same Perl script but have a different scope. I copied a Job (Agent) doing the following: Copied the .agnt file Copied the associated perl script The problem is that one or the other job (changes randomly) does not run. The Disco Process will fail eventually. In the log of the job which does not run I see the following error message: Wed Jul 18 08:48:54 2012 Warning: Failed to send on transport layer found in file CRivObjSockClient.cc at line 1293 - Client My_MacTable_Cis is not connected to service Helper How do I fix this problem?

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