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  • How to handle security constraints using GWT 2.1's RequestFactory?

    - by Marc
    I am currently developing a GWT 2.1 application that is to be deployed on Google App Engine. I would like to realise the server communication using the new RequestFactory. Now my question is how to handle fine-grained security issues in this context? Some server actions (of those declared in the RequestContext stubs) shall be restricted to certain users (possibly depending on the parameters of the remote call). If a call is unauthorised, I would like the client to show a login page (so that one may log in as a different user, for example). From the Expenses example, I know how to implement an automatic redirection to a login page, but in this example, the security model is quite simple: A client is allowed to access the servlet if and only if a user is logged in. Shall I raise a custom UnAuthorizedException in my server-side service? Where should I intercept this exception? (Can I do this in a servlet filter like the GaeAuthFilter of the Expenses example?)

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  • Where can I learn about security and online privacy?

    - by user278457
    I'd really like to start including shopping cart functionality in my projects. At first im content relying on paypal links, but I really want to be learning about specific security threats and how to combat them. Eventually I want to feel comfortable receiving and sending customer credit card details for ecommerce. Obviously this is a common thing on the net but most tutorials and resources are content to say "it's every web developers responsibility to consider security, but we're not going to cover that here/today/ever." so, my question is, where is a good place to learn? And once I've learned, how do I stay abreast of new vulnerabilities as the web evolves?

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  • How to implement User base security not role base in asp.net?

    - by Gaurav
    Hi, I have to implement User base security in my Web project using .Net3.5. Followings are some we need: Roles can be Admin, Manage, Editor, Member etc User can have multiple roles Every roles has its own dynamic menus and restrictions/resources All menus and interface will populate dynamically from Database I heard some where this kind of i.e user base security can be implemented using HashTable but I dont know how is it? Today I came to know that for this kind of work Java people use Interceptor Design patterns. So, how could I do the same in asp.net C#?

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  • (Fluent) NHibernate Security Exception - ReflectionPermission

    - by PeterEysermans
    I've upgraded an ASP.Net Web application to the latest build of Fluent NHibernate (1.0.0.636) and the newest version of NHibernate (v2.1.2.4000). I've checked a couple of times that the application is running in Full trust. But I keep getting the following error: Security Exception Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file. Exception Details: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [SecurityException: Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.] System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) +0 System.Security.CodeAccessPermission.Demand() +54 System.Reflection.Emit.DynamicMethod.PerformSecurityCheck(Type owner, StackCrawlMark& stackMark, Boolean skipVisibility) +269 System.Reflection.Emit.DynamicMethod..ctor(String name, Type returnType, Type[] parameterTypes, Type owner, Boolean skipVisibility) +81 NHibernate.Bytecode.Lightweight.ReflectionOptimizer.CreateDynamicMethod(Type returnType, Type[] argumentTypes) +165 NHibernate.Bytecode.Lightweight.ReflectionOptimizer.GenerateGetPropertyValuesMethod(IGetter[] getters) +383 NHibernate.Bytecode.Lightweight.ReflectionOptimizer..ctor(Type mappedType, IGetter[] getters, ISetter[] setters) +108 NHibernate.Bytecode.Lightweight.BytecodeProviderImpl.GetReflectionOptimizer(Type mappedClass, IGetter[] getters, ISetter[] setters) +52 NHibernate.Tuple.Component.PocoComponentTuplizer..ctor(Component component) +231 NHibernate.Tuple.Component.ComponentEntityModeToTuplizerMapping..ctor(Component component) +420 NHibernate.Tuple.Component.ComponentMetamodel..ctor(Component component) +402 NHibernate.Mapping.Component.BuildType() +38 NHibernate.Mapping.Component.get_Type() +32 NHibernate.Mapping.SimpleValue.IsValid(IMapping mapping) +39 NHibernate.Mapping.RootClass.Validate(IMapping mapping) +61 NHibernate.Cfg.Configuration.ValidateEntities() +220 NHibernate.Cfg.Configuration.Validate() +16 NHibernate.Cfg.Configuration.BuildSessionFactory() +39 FluentNHibernate.Cfg.FluentConfiguration.BuildSessionFactory() in d:\Builds\FluentNH\src\FluentNHibernate\Cfg\FluentConfiguration.cs:93 Anyone had a similar error? I've seach the web / stackoverflow / NHibernate forums but only found people who had a problem when running in medium trust mode, not full trust. I've been developing for several months on this application on this machine with previous versions of Fluent NHibernate and NHibernate. The machine I'm running this on is 64-bit, you never know that this is relevant.

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  • Mirror using apt-mirror and exclud certain sections/categories

    - by Onitlikesonic
    I'm currently using apt-mirror to create a local mirror of the debian repositories. As the mirrored repositories will be used only by machines destined to be headless servers and as an effort to reduce the current mirroring size (around 75GB), categories like games and possibly others will never be needed. How can I go about specifying (on the mirror.list perhaps?) what sections/categories I want to be excluded from the mirroring? Maybe a bit subjective, but apart from games what other sections/categories could be "safely" ignored from the mirroring for my environment purposes? My mirror.list looks as below since all the machines are using precise. # MAIN deb-amd64 http://archive.ubuntu.com/ubuntu precise main restricted universe multiverse deb-i386 http://archive.ubuntu.com/ubuntu precise main restricted universe multiverse # SECURITY deb-amd64 http://archive.ubuntu.com/ubuntu precise-security main restricted universe multiverse deb-i386 http://archive.ubuntu.com/ubuntu precise-security main restricted universe multiverse Also, what others would you recommend adding to the list to be mirrored for a relatively stable environment? Again I understand this is subjective, just looking for some pointers. Much appreciated in advance

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  • IIS Not Accepting Active Directory Login Credentials

    - by Dale Jay
    I have an ASP.NET web form using Microsoft's boilerplate Active Directory login page, set up exactly as suggested. Windows Authentication is activated on the "Default Website" and "MyWebsite" levels, and Domain\This.User is given "Allow" access to the site. After entering the valid credentials for This.User on the web form, a popup window appears asking me to enter my credentials yet again. Despite entering valid credentials for This.User (after attempting Domain\This.User and This.User formats), it rejects the credentials and returns an unauthorized security headers page (error 401.2). Active Directory user This.User is valid, the IP address of the AD server has been verified and SPN's have been set up for the server. Error Code: 0x80070005 Default Web Site security config: <system.web> <identity impersonate="true" /> <authentication mode="Windows" /> <customErrors mode="Off" /> <compilation debug="true" /> </system.web> Sub web site security <authentication mode="Windows"> <forms loginUrl="~/logon.aspx" timeout="2880" /> </authentication> <authorization> <deny users="?" /> <allow users="*" /> </authorization>

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  • Cost effective way to provide static media content

    - by james
    I'd like to be able to deliver around 50MB of static content, either in about 30 individual files up to 10MB or grouped into 3 compressed files, around 5k to 20k times a day. Ideally I'd like to put some sort of very basic security around providing the data to ensure that a request is from the expected source, but if tossing the security for a big reduction in price is possible then it's an option. Does anyone have any suggestions other than what I've found: Google AppEngine is $0.12/GB & I believe has a file size limit of 10MB so I'd have to break the data up a bit. So a rough calculation would seem to be that this would cost me about $30 to $120 a day. Or I've seen something like what seems to be just public static content delivery with no type of logic capabilities like Usenet.nl at what I think calculates to about $0.025/GB which would cost me about $6 to $25 a day. Any idea if I'm going about these calculations right & if there might be a better option for just static content on a decently high volume delivery? Again some basic security would be great but if cost is greatly reduced without it then I'm up for that.

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  • IE8 HTTPs Download Issue

    - by Jon Egerton
    I have a problem with a system I develop related to IE8 downloading over SSL (ie on sites using https://...) and is described on this MS kb article: http://support.microsoft.com/kb/323308 We use the HTTPCacheability.NoCache option as the data being downloaded is sensitive, and is downloaded from a secured site. I don't want that data to be cached on any of the proxies etc that the response passes through back to the client. The article describing the issue details a fix to the client side registry changing a BypassSSLNoCacheCheck setting. I don't want to loosen the system security just for IE8, as the system works fine on anything more upto date. Getting all the clients to apply the hotfix is difficult at best, and impossible at worst. We need to support IE8 in the system, at least for now. So: 1: Does the detailed hotfix have any implications for the security at the browser end in IE8 - does it mean the file will be cached? (in a place other than where the user saves the file). 2: Is there some way I can get these files downloadable with a change at the server end that doesn't break the security side of things?

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  • Choosing a CMS to use with backend modules involving haskell and python [on hold]

    - by Butterflycode
    Hi I am trying to decide on a CMS to use for a new project. Security is the most important element of the CMS. I am looking to use a PHP based CMS such as Joomla or Drupal however, PHP has many security flaws which worries me. The data which needs to be secure will be inside a database and relate to account information. I am wondering what is the best way to do this? What I am wanting is a frontend which is made in php/js(joomla) and then I have a backend api which is written in Haskell to handle money transfers ensuring nothing goes wrong. In between the two I want a controller written in perhaps Python or C. I never want the php to touch the database. I want it to relay messages to the controller that's written in python or C and then it inputs to the database, sanitising data etc Am I perhaps thinking too deeply about this? Just wondering if anyone has any ideas on what I should do.... I can't quite explain what the project is as I don't want the idea to be stolen, but it has a lot money transactions involved so security is essential.

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  • PowerShell Advanced Function get current ParameterSetName

    - by spoon16
    In C# you can get the current ParameterSetName in the ProcessRecord override of a PowerShell Cmdlet with code like this: switch (ParameterSetName) { case FromUriParamSetName: loadFromUri(); break; case FromFileParamSetName: loadFromFile(); break; } I'm trying to figure out how I can get the value for ParameterSetName in a script cmdlet (Advanced Function).

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  • This Question about how do i learn from basic As3 to advanced as3

    - by user333472
    This Question about how do i learn from basic As3 to advanced as3 , as i want to become professional in as3.And work as freelancer. can anybody guide me how to reach to the peak of Action-Script-3. This question seems to be really funny to many but this is the most basic question in my mind 1) which way to go. 2) what steps i should follow. 3) how should i do my first project professionally. 4) how do i become excellent in as3

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  • how to put a drop down list in a flex advanced data grid

    - by Setori
    How can one put components into an advanced data grid? I wish to have a standard row with string items, in this row there is a date selector I want to put in, and in another cell of the row I want to put a drop down list box containing text "40" and "20" or you can manually edit the cell so that it displays what ever input you decide (other than 40 and 20) thanks so much

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  • Recommendation for advanced CMS with LDAP support

    - by Miko
    I'm developing and designing a site for a customer. I would like to give him some control over content but also allow myself control over the outputted code/graphic. Normally for simple sites, I am using toko cms (content editor), but for this site i need something more advanced with database and user sync (LDAP). Any recommendations ? Maybe a robust but productive framework?

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  • Advanced Model Binding vs 2010

    - by user281180
    Can I have an example of advanced model binding using ajaxpost? I have two classes Person and Test as follows: public class person{ public ArrayList Name = new ArrayList(); public Test []test {get;set;} } public class Test { public int ID{get;set;} public int mark{get;set;} } My Controller could be [HttpPost] public EmptyResult CaseTest(Person person) { return new EmptyResult(); } How do I post the values from the view?

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  • Advanced datagrid in flex 3

    - by nimmyliji
    Hi, I have an XML file which is coming from the back end through an HTTP service(Using the perl cgi) and I want to display it in an advanced data grid....as in if I click the parent element the children have to be displayed in the corresponding columns...I'm trying it with my data provider but its not working. Is it possible? Thanks in Advance.

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  • problem with selecting a rows in advanced datagrid using keydown event

    - by user365559
    Hi, I have advanced datagrid with list of items is displayed.I am using keydown for selecting the rows.But the actual problem is when i am selecting the items after the 2nd item it should move to the 3rd item but instead of that its moving back to the 1st item.I have defined selectionmode property to singlerows even then the result same to be same.can any one give me the soloution.

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