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  • how to verify browser IP for server-side web service

    - by Anthony
    I have a web service that needs to be able to verify the end-user's IP that called the server-script that is requesting the web service. Simple layout: Person A goes to Webpage B. Webpage B calls Web Service C to get some info on Person A. Web Service C won't give Webpage B the requested information without confirmation that the request originated from Person A's IP and not someone who has stolen Person A's session. I'm thinking that for a browser-based solution, the original site (Webpage B) can open an iframe that goes to the Web Service's authentication page. A key of some kind is passed to the browser which will some how indicate both the user's IP and Web Page B's IP, so that the Web Service can confirm that no one has nabbed anything. I have two challenges, but I'll stick to the more immediate one first: I'm not sure if my browser-based plan really makes sense. If someone steals the session cookie, how is the Web Service going to know? Would this cookie be held be Web Page B and thus be harder to steal? Is it a sound assumption that a cookie or key held by the server only and not the browser is safe? Also, would the web service, based on the iframe initial connection, be expecting the server/user-ip combo? What I mean is, does the session key provided via the iframe get stored by the web service and the Web Site B shows it has a match? Or is the session key more generic, meaning the web service is passed the key by Website B and the Web Service verifies that this is a valid session key based on what a valid session key should look like?

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  • Using interface classes and non-virtual interface idiom in C++

    - by andreas buykx
    Hi all, In C++ an interface can be implemented by a class with all its methods pure virtual: class IFoo { public: virtual void method() = 0; }; Now I want to implement this interface by a hierarchy of classes: class FooBase : public IFoo // implement interface IFoo { public: void method(); // calls methodImpl; private: virtual void methodImpl(); }; For the class hierarchy I would like to use the non-virtual interface (NVI) idiom, to deny derived classes the possibility of overriding the common behavior implemented in FooBase::method(), but it seems that all derived classes have the opportunity to override the FooBase::method() because it is declared in the interface class. Is my observation correct? And if so are there other options to both use interface classes and the NVI idiom?

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  • fcgio.cpp: In destructor 'virtual fcgi_streambuf::~fcgi_streambuf()':

    - by skyeagle
    I am attempting to build fastcgi on a Linux Ubuntu 10.x machine. I run the following commands: ./configure make and I get the following error: fcgio.cpp: In destructor 'virtual fcgi_streambuf::~fcgi_streambuf()': fcgio.cpp:50: error: 'EOF' was not declared in this scope fcgio.cpp: In member function 'virtual int fcgi_streambuf::overflow(int)': fcgio.cpp:70: error: 'EOF' was not declared in this scope fcgio.cpp:75: error: 'EOF' was not declared in this scope fcgio.cpp: In member function 'virtual int fcgi_streambuf::sync()': fcgio.cpp:86: error: 'EOF' was not declared in this scope fcgio.cpp:87: error: 'EOF' was not declared in this scope fcgio.cpp: In member function 'virtual int fcgi_streambuf::underflow()': fcgio.cpp:107: error: 'EOF' was not declared in this scope make[2]: *** [fcgio.lo] Error 1 make[2]: Leaving directory `/somepath/fcgi-2.4.0/libfcgi' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/somepath/fcgi-2.4.0' make: *** [all] Error 2 I notice that others have had the same problem and have asked this question in various fora etc - however, I have not as yet, seen an answer to this question/problem. Has anyone ever managed to build fastcgi on Linux? How do I fix this problem?

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  • Cisco IP Phone Call Manager handle events

    - by dankyy1
    I 'm new on cisco IP Phones. I have a cisco call manager system also a 7970 Ip phone. The phone cominicates with Cisco Call Manager application. I want to listen events when user logon and send some commands to phone., Is there any idea about this task? Is there a way to got events from cisco call manager or i have to listen up the ports of Ip phone? thanks

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  • Creating an HTTP-Redirected Virtual Directopry in IIS 6.0 without specifying physical path & WMI/ADS

    - by Steve Johnson
    My question is : Is it possible to create a working IIS 6.0 Virtual Directory with providing Physical Path of the Virtual Directory.? I know that manually, it is not possible via IIS but programmatically such a virtual directory can be created. If an HTTPRedirect is set on that virtual directory but the site physical path is not specified, then will it work? Simply stated, how to create an HTTp-redirected Virtual Directory , directly without specifying any physical path to a folder or network share. Here is my code. Try If Directory.Exists(HomeDirectory) = False And Path.StartsWith("http://") = False Then Directory.CreateDirectory(HomeDirectory) End If Dim website As DirectoryEntry website = New DirectoryEntry("IIS://" & IISServer & "/W3SVC/" & WebsiteId & "/Root") Dim NewVDir As DirectoryEntry = website.Children.Add(VDirName, "IIsWebVirtualDir") If Path.StartsWith("http://") = False Then NewVDir.Properties("Path")(0) = Path NewVDir.Properties("HttpRedirect").Clear() Else NewVDir.Properties("HttpRedirect")(0) = Path End If If ((Perm And Permission.Read) = Permission.Read) Then NewVDir.Properties("AccessRead")(0) = True End If If ((Perm And Permission.Write) = Permission.Write) Then NewVDir.Properties("AccessWrite")(0) = True End If If ((Perm And Permission.DirBrowse) = Permission.DirBrowse) Then NewVDir.Properties("EnableDirBrowsing")(0) = True End If If ((Perm And Permission.CreatetApplication) = Permission.CreatetApplication) Then NewVDir.Invoke("AppCreate", True) End If If ((Perm And Permission.ScriptOnly) = Permission.ScriptOnly) Then NewVDir.Properties("AccessScript")(0) = True End If If ((Perm And Permission.ScriptNExecute) = Permission.ScriptNExecute) Then NewVDir.Properties("AccessExecute")(0) = True End If NewVDir.Properties("AuthAnonymous")(0) = True NewVDir.Properties("AuthNTLM")(0) = True NewVDir.Properties("AnonymousUserName")(0) = AnonUserName NewVDir.Properties("AnonymousUserPass")(0) = AnonPassword NewVDir.Properties("AppFriendlyName")(0) = AppFriendlyName NewVDir.CommitChanges() website.CommitChanges() NewVDir.Close() website.Close() Success = True Catch Err As Exception Throw New Exception("My Custom Exception Here: " & Err.Message) End Try

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  • IP address problem

    - by mavric
    I built a TicTacToe game application (I'm using TCP protocol) that consist of server and client (that run two times to represent the 2 opponents). I have a problem and I can't find the solution for it, that is why I'm asking this question. the problem is : when the client try to connect the server on my machine, it never connect because of the IP address(obtained from the support tab from the local area connection in my windows) of my machine isn't correct. I tried to obtain my IP address from websites that told you your IP but I doesn't work. I have a problem to determine my IP address that any machine can connect to me from anywhere. p.s. I'm using router to connect the internet. thanks.

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  • java string detection of ip

    - by user384706
    Hi, Assume a java string that contains an IP (v4 or v6) or a hostname. What is the best way to detect among these cases? I am not interested so much on whether the IP is in valid range (e.g. 999.999.999.999 for IPv4). I am interested in just a way to detect if a String is a hostname or an IP (v4 or v6). Initially I though this: if(theString.indexOf("@")!=-1){ //Not an Ip } but I am not sure if I should always expect a format containing @ always. Thanks

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  • Client ip address using javascript

    - by Ajith
    I need to getting the client ip address using javascript.Actually,our connection provider ip is something like this 122.172.127.200.We are putting different private ip like 192.168.10.1,192.168.10.2 and so on..i can retrieve 192.168.10.1,but how can i retrieve the 122.172.127.200 using php or javascript.SSI already enabled.Please help me....Thanks

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  • Getting Different IP each time

    - by Sarfraz
    Hello, I am creating a poll script for a facebook fan page: http://www.facebook.com/apps/application.php?id=115400635147687&v=app_115400635147687 I am getting the IP using: $_SERVER['REMOTE_ADDR'] But the problem is that each time I refresh the page, or make an ajax call, the IP is changed everytime. Someone told me that facebook has many IPs, proxies. Basically I need to save the IP in database, so that once a user from certain IP has voted, he should not be able to do so again. What is the solution or alternative to this?

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  • How to change the request IP in HttpWebRequest?

    - by holiveira
    I'm developing a website that will connect to a credit card processing gateway webservice. For security purposes this webservice accepts requests only from IP addresses that were previously informed to them. Since I'm developing locally, my IP changes almost every day. Is there a way for me to change the IP address of a HttpWebRequest so that I can test the Webservice calls locally? This webservice is accessed through a https address and the methods must be sent via POST.

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  • Virtual destructor - How does it work?

    - by Prabhu
    Hello All, Few hours back I was fiddling with a Memory Leak issue and it turned out that I really got some basic stuff about virtual destructor wrong!! Let me put explain my class design. class Base { virtual push_elements()<br>{}<br> }; class Derived:public Base { vector<int> x; public: void push_elements(){ for(int i=0;i <5;i++) x.push_back(i); } }; void main() { Base* b = new Derived(); b->push_elements(); delete b; } The bounds checker tool reported a memory leak in the derived class vector. And I figured out that the destructor is not virtual and the derived class destructor is not called.And it surprisingly got fixed when I made the destructor virtual. But my question is "isn't the vector deallocated automatically even if the derived class destructor is not called"? Is that a quirk in BoundsChecker tool or is my understanding of virtual destructor is wrong:)

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  • NHibernate requires events to be virtual?

    - by Jimit
    I'm attempting to map an entity hierarchy using NHibernate almost all of which have events. When attempting to build a session factory however, I get error messages similar to the following: Core.Domain.Entities.Delivery: method remove_Scheduled should be virtual Delivery is an entity in my domain model with an event called Scheduled. Since events cannot be declared virtual I'm at a loss as to how to proceed here. Why would NHibernate need events to be virtual?

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  • How do virtual destructors work?

    - by Prabhu
    Few hours back I was fiddling with a Memory Leak issue and it turned out that I really got some basic stuff about virtual destructors wrong! Let me put explain my class design. class Base { virtual push_elements() {} }; class Derived:public Base { vector<int> x; public: void push_elements(){ for(int i=0;i <5;i++) x.push_back(i); } }; void main() { Base* b = new Derived(); b->push_elements(); delete b; } The bounds checker tool reported a memory leak in the derived class vector. And I figured out that the destructor is not virtual and the derived class destructor is not called. And it surprisingly got fixed when I made the destructor virtual. Isn't the vector deallocated automatically even if the derived class destructor is not called? Is that a quirk in BoundsChecker tool or is my understanding of virtual destructor wrong?

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  • Java - Incrementing through IP addresses in String format

    - by Matt
    I'm new to java and i'm trying to find a way of incrementing through an user input IP address range. For example from 192.168.0.1 to 192.168.0.255. However the way my application works at the moment is the take the from and to ip addresses as a String. Is there a way I can increment through all the ip addresses the user input from and to? Hope this makes sense and please dont flame me, I have looked for an answer!

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  • Does Qt support virtual pure slots ?

    - by ereOn
    Hi, My GUI project in Qt has a lot of "configuration pages" classes which all inherit directly from QWidget. Recently, I realized that all these classes share 2 commons slots (loadSettings() and saveSettings()). Regarding this, I have two questions: Does it make sense to write a intermediate base abstract class (lets name it BaseConfigurationPage) with these two slots as virtual pure methods ? (Every possible configuration page will always have these two methods, so I would say "yes") Before I do the heavy change in my code (if I have to) : does Qt support virtual pure slots ? Is there anything I should be aware of ? Here is a code example describing everything: class BaseConfigurationPage : public QWidget { // Some constructor and other methods, irrelevant here. public slots: virtual void loadSettings() = 0; virtual void saveSettings() = 0; }; class GeneralConfigurationPage : public BaseConfigurationPage { // Some constructor and other methods, irrelevant here. public slots: void loadSettings(); void saveSettings(); };

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  • Hold a network connection although IP address change

    - by rursw1
    Hi, Is it possible to hold an open TCP connection with a client, while the IP address of the client is externally changed? For example, the connection is establishes against address X, but somewhen while the connection is open, the client-side user asks for IP renew and gets another IP address. Can the connection remains alive in this case? Thanks in advance.

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  • Debug website on host from virtual machine

    - by Luchaguate
    I have a Windows 7 machine hosting a Windows 7 virtual machine. I am developing a web application using visual studio 2010 on my host machine. I want to run the application in debug mode and access my localhost server from a browser on the virtual machine. (The purpose of this is to be able to debug an application that uses Windows Authentication using different users without having to log off and on for different users on my host machine...) I am using a bridged connection for the virtual machine. I googled how to solve this problem and most of the threads that I found said that if I was using a bridged connection, I could access the server on the host machine by just entering the IP address of my host machine into the url in the browser of the virtual machine. I have tried some different urls using the IP but none of them have worked. As an example, suppose I run my web application in visual studio on my host machine and its url is http://localhost:62789/MyPage.aspx Assume also that I ran ipconfig in CommandPrompt on my host machine and found out that the IP address for my host machine is xxx.xxx.xxx.x. What url should I enter on the virtual machine to access my web application? Thanks in advance.

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  • Retrieve Domain Name instead of IP

    - by Vincent
    All, I am using the following command to retrieve the domain name of my server. $_SERVER['HTTP_HOST'] This seems to return the IP address instead of domain name like www.example.com. I looked at PHPInfo and it also lists an IP address for HTTP_HOST instead of Domain name. What do I need to change to make the domain name appear instead of IP? Thanks

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  • virtual serial port on Arch linux

    - by Milan
    Hello, I am using Arch linux and I need to create virtual serial port on it. I tried everything but it seems doesnt work. All I want is to connect that virtual port to another virtual port over TCP and after that to use it in my python application to communicate with python application to other side. Is that posible? Please help me. Thanx

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