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• PCRE limits exceeded, but triggering rules are SQL related

  - by Wolfe

  [Mon Oct 15 17:12:13 2012] [error] [client xx.xx.xx.xx] ModSecurity: Rule 1d4ad30 [id "300014"][file "/usr/local/apache/conf/modsec2.user.conf"][line "349"] - Execution error - PCRE limits exceeded (-8): (null). [hostname "domain.com"] [uri "/admin.php"] [unique_id "UHx8LEUQwYEAAGutKkUAAAEQ"] And similar are spamming my error log for apache. It's only the admin side.. and only these two lines in the config: line 349: #Generic SQL sigs SecRule ARGS "(or.+1[[:space:]]*=[[:space:]]1|(or 1=1|'.+)--')" "id:300014,rev:1,severity:2,msg:'Generic SQL injection protection'" And line 356: SecRule ARGS "(insert[[:space:]]+into.+values|select.*from.+[a-z|A-Z|0-9]|select.+from|bulk[[:space:]]+insert|union.+select|convert.+\(.*from)" Is there a way to fix this problem? Can someone explain what is going on or if these rules are even valid to cause this error? I know it's supposedly a recursion protection.. but these protect against SQL injection so I'm confused.

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• Software management for 2 programmers

  - by kajo

  me and my very good friend do a small bussiness. We have company and we develop web apps using Scala. We have started 3 months ago and we have a lot of work now. We cannot afford to employ another programmer because we can't pay him now. Until now we try to manage entire developing process very simply. We use excel sheets for simple bug tracking and we work on client requests on the fly. We have no plan for next week or something similar. But now I find it very inefficient and useless. I am trying to find some rules or some methodology for small team or for only two guys. For example Scrum is, imo, unadapted for us. There are a lot of roles (ScrumMaster, Product Owner, Team...) and it seems overkill. Can you something advise me? Have you any experiences with software management in small teams? Is any methodology of current agile development fitten for pair of programmers? Is there any software management for simple bug tracking, maybe wiki or time management for two coders? thanks a lot for sharing.

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• Why are network printers not available in the Add Printer Wizard...when run over a network?

  - by Kev

  From a Windows 2003 server machine I browsed the network to an XP client (\computername in Explorer) then double-clicked Printers and Faxes and then Add Printer. In the wizard, normally the second screen asks if you want to install a local printer or a network printer. Well, in this case, it seems to assume I want a local printer, because the second screen is what would normally be the third screen if you chose local printer and clicked Next. I want to install a network printer on a remote machine for its local users. Is this not possible? If not, why not?

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• Using SSLv3 - Enabling Strong Ciphers Server 2008

  - by Igor K

  I've disabled SSLv2 and SSLv3 is on. However I cannot connect to a remote server which fails with The client and server cannot communicate, because they do not possess a common algorithm Ran an SSL check (http://www.serversniff.net/sslcheck.php) on the remote server and ours, and noticed none of the ciphers they accept we have on our server. How can this be configured? (Windows Web Server 2008) Remote Server Accepted SSL ciphers: DHE-RSA-AES256-SHA AES256-SHA EDH-RSA-DES-CBC3-SHA DES-CBC3-SHA DHE-RSA-AES128-SHA AES128-SHA Our server by default accepts: DES-CBC3-SHA RC4-SHA RC4-MD5

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• NginX & PHP-FPM, random 502.

  - by pestaa

  2010/09/19 14:52:07 [error] 1419#0: *10220 recv() failed (104: Connection reset by peer) while reading response header from upstream, client: [...], server: [...], request: "POST /[...] HTTP/1.1", upstream: "fastcgi://unix:/server/php-fpm.sock:", host: "[...]", referrer: "[...]" This is the error I'm receiving randomly. 95% of the time my setup works perfectly, but once in a while I'm getting 502 for 3-4 subsequent requests. I'm using Unix socket between the server and the PHP process as you can see, also have set up FastCGI params (SCRIPT_FILENAME), etc. correctly. What can I do about it to strengthen the connection between these services? Thank you very much in advance.

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• MySQL on Windows - how do I set the wait_timeout for connections using named pipes?

  - by gustafc

  I use a MySQL database running on a Windows box, and for performance reasons I'm connecting to it using named pipes. The (Java) application using the database (through Hibernate) can let the connection lie idle for quite a long time, which causes the connection to fail with the following message: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 33 558 297 milliseconds ago. The last packet sent successfully to the server was 33 558 297 milliseconds ago. is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem. autoReconnect unfortunately has no effect (and neither does autoReconnectForPools), but the wait_timeout docs state that wait_timeout only applies "to TCP/IP and Unix socket file connections, not to connections made via named pipes, or shared memory". How can I change the wait_timeout for named pipes?

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• Need decent undelete utility for Windows

  - by Michael Chermside

  So I get the phone call from a friend or relative or client: "Looks like I accidentally deleted 4 years worth of accounting data. Oh, and I don't have any backups. Can you help?" What I need is a good Windows tool (for NTFS I think) that scans blocks marked as deleted and attempts to recover the file. And I need one that can be run from a thumb drive or since installing new software has a decent chance of overwriting the data before it can be recovered. Googling for such tools turns up mostly carefully-crafted advertisements for moderately expensive products with a "Free! Demo! Version!" which is not exactly reassuring. Any recommendations for a good tool?

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• CodePlex Daily Summary for Tuesday, December 18, 2012

  CodePlex Daily Summary for Tuesday, December 18, 2012Popular Releasessb0t v.5: sb0t 5 Template for Visual Studio: This is the official sb0t 5 template for Visual Studio 2010 and Visual Studio 2012 for C# programmers. Use this template to create your own sb0t 5 extensions.F# PowerPack with F# Compiler Source Drops: PowerPack for FSharp 3.0 + .NET 4.x + VS2010: This is a release of the old FSharp Power Pack binaries recompiled for F# 3.0, .NET 4.0/4.5 and Silveright 5. NOTE: This is for F# 3.0 & .NET 4.0 or F# 3.0 & Silverlight 5 NOTE: The assemblies are no longer strong named NOTE: The assemblies are not added to the GAC NOTE: In some cases functionality overlaps with F# 3.0, e.g. SI Units of measurecodeSHOW: codeSHOW AppPackage Release 16: This release is a package file built out of Visual Studio that you can side load onto your machine if for some reason you don't have access to the Windows Store. To install it, just unzip and run the .ps1 file using PowerShell (right click | run with PowerShell). Attention: if you want to download the source code for codeSHOW, you're in the wrong place. You need to go to the SOURCE CODE tab.Move Mouse: Move Mouse 2.5.3: FIXED - Issue where it errors on load if the screen saver interval is over 333 minutes.LINUX????????: LINUX????????: LINUX????????cnbeta: cnbeta: cnbetaCSDN ??: CSDN??????: CSDN??????PowerShell Community Extensions: 2.1.1 Production: PowerShell Community Extensions 2.1.1 Release NotesDec 16, 2012 This version of PSCX supports both Windows PowerShell 2.0 and 3.0. Bug fix for HelpUri error with the Get-Help proxy command. See the ReleaseNotes.txt download above for more information.VidCoder: 1.4.11 Beta: Added Hungarian translation, thanks to Brechler Zsolt. Update HandBrake core to SVN 5098. This update should fix crashes on some files. Updated the enqueue split button to fit in better with the active Windows theme. Updated presets to use x264 preset/profile/level.BarbaTunnel: BarbaTunnel 6.0: Check Version History for more information about this release.???: Cnblogs: CNBLOGSSandcastle Help File Builder: SHFB v1.9.6.0 with Visual Studio Package: General InformationIMPORTANT: On some systems, the content of the ZIP file is blocked and the installer may fail to run. Before extracting it, right click on the ZIP file, select Properties, and click on the Unblock button if it is present in the lower right corner of the General tab in the properties dialog. This new release contains bug fixes and feature enhancements. There are some potential breaking changes in this release as some features of the Help File Builder have been moved into...Electricity, Gas and Temperature Monitoring with Netduino Plus: V1.0.1 Netduino Plus Monitoring: This is the first stable release from the Netduino Plus Monitoring program. Bugfixing The code is enhanced at some places in respect to the V0.6.1 version There is a possibility to add multiple S0 meters Website for realtime display of data Website for configuring the Netduino Comments are welcome! Additions will not be made to this version. This is the first and last major Netduino Plus V1 release. The new development will take place with the Netduino Plus V2 development board in mi...CRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.8): [FIX] Fixed issue not displaying CRM system button images correctly (incorrect path in file VisualRibbonEditor.exe.config)My Expenses Windows Store LOB App Demo: My Expenses Version 1: This is version 1 of the MyExpenses Windows 8 line of business demo app. The app is written in XAML and C#. It calls a WCF service that works with a SQL Server database. The app uses the Callisto toolkit. You can get it at https://github.com/timheuer/callisto. The Expenses.sql file contains the SQL to create the Expenses database. The ExpensesWCFService.zip file contains the WCF service, also written in C#. You should create a WCF service. Create an Entity Framework model and point it to...BlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releaseLayered Architecture Solution Guidance (LASG): LASG 1.0.0.8 for Visual Studio 2012: PRE-REQUISITES Open GAX (Please install Oct 4, 2012 version) Microsoft® System CLR Types for Microsoft® SQL Server® 2012 Microsoft® SQL Server® 2012 Shared Management Objects Microsoft Enterprise Library 5.0 (for the generated code) Windows Azure SDK (for layered cloud applications) Silverlight 5 SDK (for Silverlight applications) THE RELEASE This release only works on Visual Studio 2012. Known Issue If you choose the Database project, the solution unfolding time will be slow....Fiskalizacija za developere: FiskalizacijaDev 2.0: Prva prava produkcijska verzija - Zakon je tu, ova je verzija uskladena sa trenutno važecom Tehnickom specifikacijom (v1.2. od 04.12.2012.) i spremna je za produkcijsko korištenje. Verzije iza ove ce ovisiti o naknadnim izmjenama Zakona i/ili Tehnicke specifikacije, odnosno, o eventualnim greškama u radu/zahtjevima community-a za novim feature-ima. Novosti u v2.0 su: - That assembly does not allow partially trusted callers (http://fiskalizacija.codeplex.com/workitem/699) - scheme IznosType...Bootstrap Helpers: Version 1: First releaseNew ProjectsAsh Launcher: The ash launcher is a launcher for the ash modpack for minecraftAsynchronous PowerShell Module: psasync is a PowerShell module containing simple helper functions to allow for multi-threaded operations using Runspaces. ClearVss: ClearVss clear any reference of Visual SourceSafe in yours solution. You'll no longer have to delete and modify solution files by hand. It's developed in C#dewitcher Framework: A rly cool Framework, made for use with COSMOS. - Console-class that supports colored, horizontal- and vertical- centered text printing - more =PGTD Pad: Notepad for GTD TechniqueHTML/JavaScript Rendering Web Part: HTML/JavaScript Render Web Part - replaces the SharePoint Content Editor Web Part (CEWP). Permits flying in script, HTML, etc. to a SharePoint Page.Kracken Generator and Architecture Tool for Visual Studio 2012: Welcome to Kracken a suite of tools for creating code from Architecture models. This program is the pet project of Tracy Rooks.Logica101: Aplicación para visualización de procesos algebraicosManaged DismApi Wrapper: This is a managed wrapper for the native Deployment Image Servicing and Management (DISM) API. This allows .NET developers to call into the native API instead Mvc web-ajax: A Javascript library for displaying lists and editing objects N2F Yverdon InfoBoxes: A simple extension (plus some resources) for managing information boxes on a given page.N2F Yverdon Solar Flare Reflector: The solar flare reflector provides minimal base-range protection for your N2F Yverdon installation against solar flare interference.newplay: goodPhnyx: The project is under re-structuring - look backPigeonCms: Cms made with c# (using NET framework 3.5, SqlServer2005 or Express edition) with many Joomla-like features. Poppæa: Very early version of a c# library for cassandra nosql database. For now it adds support for the new CQL3 protocol in cassandra 1.2+. Proximity Tapper: Proximity Tapper is a developer tool for working with NFC on both Windows Phone and Windows, and allows you to build NFC apps in the Windows Phone emulator.SharePoint 2010 SpellCheck: SharePoint 2010 SpellCheck Project will let you enable spelling check functionality in SharePoint 2010 using SpellCheck.asmxShift8Read Community Credit Tool (DotNetNuke Module): A simple DotNetNuke Module I created for submitting content to Community-Credit.comTempistGamer Client: The tempistgamers game client manager. Includes a cross-platform, cross-game UI to allow for player interactivity. While the program itself manages the games.testtom12122012tfs02: fdstesttom12172012tfs02: uioTEviewer: The Transient Event Viewer is an application designed for visualization and analysis of transient events.trucho-JCI: summaryTypeSharp: TypeSharp is a C# to TypeScript code generatorWeiboWPSdk: To make wp applications about sina weibo more easily.XNA Games Core: XNA Core Game Programming library. Uses interfaces and delegates, in tune with the .NET way, with inheritence used for implementation reuse.

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• Missing X-Spam-Status header

  - by Walt Stoneburner

  I recently upgraded to Ubuntu 14.04.1 LTS (trusty) and have followed the directions in https://help.ubuntu.com/14.04/serverguide/mail-filtering.html and am sending and receiving mail just fine. While I do see X-Virus-Scanned headers in my messages, which suggests mail is indeed being processed, I do not see any X-Spam-Level or X-Spam-Score headers being added to messages. This makes downstream procmailrc and client-side filtering ...more difficult. While having $final_spam_destiny = D_DISCARD in /etc/amavis/conf.d/20-debian_defaults does greatly reduce spam to my inbox, I had concerns of false-positives prior to tuning and didn't know were there going, so have set it to D_PASS for the time being. This exposed the problem. I'm not sure where to look to start diagnosing the problem (otherwise I'd post a suspect configuration file). /etc/amavis/conf.d/15-content_filter_mode has the lines uncommented to enable virus and spam checks, and virus checking appears to be working according to the headers. Spam Assassin certainly seems to be starting just fine, too. SpamAssassin debug facilities: info SA info: zoom: able to use 360/360 'body_0' compiled rules (100%) SpamAssassin loaded plugins: AskDNS, AutoLearnThreshold, Bayes, BodyEval, Check, DKIM, DNSEval, FreeMail, HTMLEval, HTTPSMismatch, Hashcash, HeaderEval, ImageInfo, MIMEEval, MIMEHeader, Pyzor, Razor2, RelayEval, ReplaceTags, Rule2XSBody, SPF, SpamCop, URIDNSBL, URIDetail, URIEval, VBounce, WLBLEval, WhiteListSubject SpamControl: init_pre_fork on SpamAssassin done I've also set $log_level = 2; in /etc/amavis/conf.d/50-user and don't see any obvious errors rolling by in the logs. Q: Any recommendations of what to try next? UPDATE (it appears that I have the right setting already): /etc/amavis/conf.d$ grep sa_tag_level_deflt * 20-debian_defaults:# $sa_tag_level_deflt = 2.0; # add spam info headers if at, or above that level 20-debian_defaults:$sa_tag_level_deflt = -999; # add spam info headers if at, or above that level

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• courier-imap w mysql : share a folder between 2 virtual users on debian

  - by Michael

  Hi I have a working courier-imap server on my Debian Etch private server ; users are virtual, authentificatin goes through mysql. It's been working good for years. I would like to share an imap folder between 2 users. I thought I would just have to do something like this : cd path/to/mailusers/dir ln -s path/to/user1/maildir/.folder_to_be_synched path/to/user2/maildir/ After I entered the command, I found that user2 saw a new folder in its imap client, but the folder appeared empty. It is not a permission problem because all the virtual users have the same permissions on the file system. Any idea what I could do ? thanks

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• How to give virtual machine access to the Internet, but block from LAN?

  - by Pekka

  I am setting up a virtual machine using Microsoft Virtual PC in Windows 7. The VM will run a Windows XP. I want to set up a public-facing server in it for web pages, subversion and other things, and instruct the router to port forward any requests to that Virtual Machine. I managed to do that - I assigned the VM to the network adapter, and it is now acting as just another DHCP client - but to increase security I would like to block the VM from the rest of the LAN, so it accepts only incoming connections from the Internet. For this to be effective in case of a compromise, it would have to happen on VM level as far as I can see. Can this be done?

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• Why would an IE8 in a desktop has a 'Tablet PC 2.0' in its user-agent string?

  - by ultrajohn

  I am just curious, why would a windows 7 desktop, installed with ie8, have Tablet PC 2.0 in its user agent string. Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; Tablet PC 2.0) Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; Tablet PC 2.0) Is this a feature in Windows 7, how can I turn this off in IE8? Other browsers on the same computer don't have such string in the user-agent string they send. As a result, one of our web application confuses this particular desktop client as a mobile (because of the tablet), hence returns the mobile version of our website to it. Thank you!

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• The effects of Agile Programming can alter the five desirable properties of modeling tools and techniques

  The effects of Agile Programming can alter the five desirable properties of modeling tools and techniques as documented by Pfleeger. The agile methodology does promote human understanding and communication through the use of short iterative software development life cycles which forces stakeholders to review the project and adjust the project for any requirement changes.  Due to the consistent evaluations of a project and requirements, process are continually being refined, upgraded, and compared against other alternatives to ensure the best design delivered to the client. Due to the short repetitive development cycles, increased time is devoted to process management due to the fact that requirements and designs could be constantly changing. This requires additional forecasting, monitoring, and planning for each iteration. Because things can change so rapidly, automated guidance in performing process must be updated for each iteration because the environment and the available reusable process could change. In addition, the original guidance and suggestions for the project also need to be updated to account for these changes as well.   In essence the automation of process execution is supported by the agile methodology because during every iteration all processes must be tested, evaluated to ensure process integrity and compliance with the customer’s requirements. I do not think the agile approach diminishes modeling, in fact I think it increases the modeling because before the start of every development cycle, modeling must be checked for accuracy based on the changed requirements. So in essence the reduced time spent initially designing the models is in fact gained as the project completes every iteration of the project.

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• If I implement a web-service, how do I respond to POST requests with JSON?

  - by Vova Stajilov

  I have to make a rather complex system for my diploma work. Logically it will consist of the following components: Database Web-service Management with web interface Client iOS application that will consume web-service I decided to implement all the first three components under .NET. Firstly I will create a database depending on the information load - this is clear. But then I need a web-service that will return data in JSON format for iOS clients to consume - that's obvious and not that hard to implement. For this I will use WCF technology. Now I have a question, if I implement the web-service, how will I be able to respond to POST requests with JSON? It probably involves WCF JSON or something related? But I also need some web pages as admin part, so will this web-application be able to consume my centralized web-services as well or I should develop it separately? I just want my web service to act like a set of controllers. There is a related question here but this doesn't quite reflect my question.

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• Why is Javascript used in MongoDB and CouchDB instead of other languages such as Java, C++?

  - by startup007

  I asked this question on SO but was suggested to try here. So here it goes: My understanding of Javascript so far has been that it is a client-side language that capture events and makes a web-page dynamic. But on reading the comparison between MongoDB and CouchDB I noticed that both are using Javascript. This makes me wonder the reason behind the choice of JavaScript over other conventional languages. I guess I am trying to understand the role of JavaScript and its advantages over other languages. Update: I am not asking about the languages / drivers supported by the two databases. The comparison says: Both CouchDB and MongoDB make use of Javascript. CouchDB uses Javascript extensively including in the building of views. MongoDB also supports running arbitrary javascript functions server-side and uses javascript for map/reduce operations. My lack of understanding pertains to why is Javascript being used at all for the backend work. Why is it preferred for building views in CouchDB, or for using map/reduce operations? Why C/C++ or Java were not used? What are the advantages in using Javascript for such back-end work?

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• ArchBeat Link-o-Rama for 2012-06-27

  - by Bob Rhubart

  Resource Kit: Oracle Exadata for the Communications industry In addition to several customer case studies, in video and white paper formats, this resource kit also includes a technical overview of Oracle Exadata Database Machine and a product datasheet. Registration is required for those who don't already have a free Oracle.com membership account. Call for Nominations: Oracle Fusion Middleware Innovation Awards 2012 - Win a free pass to #OOW12 These awards honor customers for their cutting-edge solutions using Oracle Fusion Middleware. Either a customer, their partner, or an Oracle representative can submit the nomination form on behalf of the customer. Submission deadline: July 17. Winners receive a free pass to Oracle OpenWorld 2012 in San Francisco. BPM – Disable DBMS job to refresh B2B Materialized View | Mark Nelson "If you are running BPM and you are not using B2B, you might want to disable the DBMS job that refreshes the B2B materialized view," says Fusion Middleware A-Team blogger Mark Nelson. Learn how in his short post. A Universal JMX Client for Weblogic –Part 1: Monitoring BPEL Thread Pools in SOA 11g | Stefan Koser A concise how-to from Oracle Fusion Middleware A-Team blogger Stefan Koser. Thought for the Day "There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult." — C. A. R. Hoare Source: SoftwareQuotes.com/

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• JAX-WS SOAP over JMS by Edwin Biemond

  - by JuergenKress

  With WebLogic 12.1.2 Oracle now also supports JAX-WS SOAP over JMS. Before 12.1.2 we had to use JAX-RPC and without any JDeveloper support. We need to use ANT to generate all the web service code. See this blogpost for all the details. In this blogpost I will show you all the necessary JDeveloper steps to create a SOAP over JMS JAX-WS Web Service (Bottom up approach) and generate a Web Service Proxy client to invoke this service, plus let you know what works and what not. We start with a simple HelloService class with a sayHello method. Read the full article here. SOA & BPM Partner Community For regular information on Oracle SOA Suite become a member in the SOA & BPM Partner Community for registration please visit www.oracle.com/goto/emea/soa (OPN account required) If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Facebook Wiki Mix Forum Technorati Tags: Edwin Biemond,SOAP,SOA Community,Oracle SOA,Oracle BPM,Community,OPN,Jürgen Kress

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• Microsoft Outlook 2007 Plain Text/HTML message behaviour?

  - by goldenmean

  I use MS Outlook as email client. When I receive email from certain email addresses(sender within my company/domain itself), and I use the reply button option to reply it, all the menus like - Font type, Font size, Text color, Bold, Italics, Text indentation, Bullets, numbering, are disabled. It doesn't allow me to use any of the above features. This happens only for some email id's where I receive mail from. Not all. Then when I checked in the message properties, it was Plain Text , rather than HTML. But shouldn't outlook allow me the formatting of the messages I reply/compose based on My settings which are HTML? How can I enable to have Rich text formatting enabled while I reply to a text mail?

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• Switches with 802.1x "supplicant timeout" feature?

  - by chris

  I'm looking for a complete list of switches which will allow 802.1x and normal (non-supplicant) enabled hosts to connect to the same ports on a switch. This is useful for areas where there are semi-open ports such as a lobby area or a library where corporate and guest users may use the same ports but you want them to have different access profiles and where it isn't expected that guests would have 802.1x configured on their system. For instance, Enterasys and Extreme Networks both have a feature where if the switch doesn't see an EAPOL packet from the client in a certain amount of time, it puts the port into a "guest" VLAN; if it sees an 802.1x supplicant, it tries to authenticate the user via 802.1x and if they succeed, it does what the radius server tells it to do with that port (IE put the port into a certain VLAN, apply certain ACLs, etc) Do other vendors have this sort of feature, or is it expected that a switch will do both 802.1x and MAC authentication, and the "supplicant timeout" feature is implemented with a blanket allow on the MAC authentication?

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• Can Apache 2 be configured to start sending gzipped data early?

  - by rikh

  We have Apache set up to gzip compress html pages before they are sent to the client browser. However, some of our pages are slowish to generate and it seems that Apache is holding on until it has the complete page, compressing it, then sending it to the browser. There are big chunks of the page (the main important bits) that are actually generated and output fairly quickly. Is it possible to configure Apache to start compressing and send data for the page as soon as the script starts outputting something? Is it is, can you offer any help is how to do this? If not, can you suggest any other way to get gzip compression working for the server? The scripts that generate the pages are written in PHP. We are using Apache 2.0 on Linux.

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• NIC bonding with two uplinks

  - by Karolis T.

  Is bonding the preferred way of implementing ISP redundancy? In the texts I've seen, bond device has a netmask, gateway of it's own. How can this be obtained if there are two different gateways from two uplinks, which one to choose? Do I need any special routing rules to go with it or does simply configuring separate interfaces (using Debian, /etc/network/interfaces), i.e eth1, eth2 for their corresponding uplinks and bonding them to bond0 handle routing automatically? If I want to NAT client machines, do they use bond device's IP as a gateway? Does the bond0 device is the device that goes into iptables nat rules? Thanks

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• Modify HTML Content with Squid

  - by user38400

  We have setup our network as per the tutorial here: https://help.ubuntu.com/community/Upside-Down-TernetHowTo. Basically, we have a squid proxy that inverts images for pages that clients request. We're trying to modify the script so that we can edit the contents of the webpage before the webpage is sent to the client. We are not having any luck. I'm wondering if there is something different about .html files that makes this not possible. What is happening is that we do a wget on the URI that is requested, save it locally, modify it and then echo back the new URI. The page that the user gets is the unmodified page and not the one that we just changed.

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• periodically overridding NTP for simulation purposes

  - by Gerard

  I have this situation: NTP is used to sync time on a set of Windows 7 and Server 2008 machines. Nothing out of the ordinary about this. periodically on this system, the time needs to be changed for testing/training purposes (it is a training simulation system that has a lot of time-dependent operations). My question: As NTP in general does not really like big time jumps or changes AFAIK, is there a standard way this could be set up to allow the clock to be changed at the root NTP server in the system and have it propagate through the system in a reasonable amount of time (a minute or two?) It is not acceptable to disable and/or restart all NTP client services to achieve this. Any ideas? It would be nice to do this without writing some kind of custom script to disable services and update clocks all over the place. Thanks in advance.

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• Join domain in windows 7 [on hold]

  - by Hassan Ali Khan

  I have created a domain on server machine and when i am trying to join a domain through another machine of windows 7 through the following steps: Goto MY Computer Properties - Change settings - ComputerName - click on change button - click on radio button "Domain" and enter domain name. After that when i click on OK button and enter the username and password credentials. It show me the following error: An attempt to resolve the DNS name of a domain controller in the domain being joined has failed. Please verify this client is configured to reach a DNS server that can resolve DNS names in the target domain

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• decrypting AES files in an apache module?

  - by Tom H

  I have a client with a security policy compliance requirement to encrypt certain files on disk. The obvious way to do this is with Device-mapper and an AES crypto module However the current system is setup to generate individual files that are encrypted. What are my options for decrypting files on-the-fly in apache? I see that mod_ssl and mod_session_crypto do encryption/decryption or something similar but not exactly what I am after. I could imagine that a PerlSetOutputFilter would work with a suitable Perl script configured, and I also see mod_ext_filter so I could just fork a unix command and decrypt the file, but they both feel like a hack. I am kind of surprised that there is no mod_crypto available...or am I missing something obvious here? Presumably resource-wise the perl filter is the way to go?

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