One way is using a HttpModule. From the link (in case it ever goes away): /// <summary> /// HTTP module to restrict access by IP address /// </summary> public class SecurityHttpModule : IHttpModule { public SecurityHttpModule() { } public void Init(HttpApplication context) { context.BeginRequest += new EventHandler(Application_BeginRequest); } private void Application_BeginRequest(object source, EventArgs e) { … Read more
The first thing that the HttpApplication object does when it acquires a thread is to set the thread’s principal to the HttpContext’s principal. This syncs up the principals. If, however, you go and set the Thread’s principal later on, the HttpApplication internally still has a different principal set for the user context. This is why … Read more
For starters, your application needs to declare a targetSdkVersion of 26 (API level of Android Oreo) or higher in your build.gradle or AndroidManifest.xml for all this to work. Then on to answer the questions above: How to check whether I’m allowed to request a package install? You can check this using getPackageManager().canRequestPackageInstalls() anywhere in your … Read more
I recently did this. My solution was to set the session value when a user logs in. Then I had a small class checking if the session ID stored is the same as the current user who is logged in. If the user logs in from somewhere else the session ID in the DB will … Read more
Your configuration is awesome. You definitely read up on how to lock down php sessions. However this line of code negates a lot of the protection provided by your php configuration: session_id(sha1(uniqid(microtime())); This is a particularly awful method of generating a session id. Based on your configurations you are generating the session id from /dev/urandom … Read more
You can use a local keystore where you could put passwords instead of secret keys. Answer to edit: Keystores are a perfect fit for your need. If you want extra protection, you could ask the user for one password to access all passwords when the user starts the application. Then, you could protect stored database … Read more
Well, there are going to be differing opinions. My take is that you should always use it (or, the filter extension in general). There are at least 3 reasons for this: Sanitizing input is something you should always do. Since the function gives you this capability there is really no reason to find other ways … Read more
realpath() will let you convert any path that may contain relative information into an absolute path…you can then ensure that path is under a certain subdirectory that you want to allow downloads from.
The attacker has no way to get the token. Therefore the requests won’t take any effect. I recommend this post from Gnucitizen. It has a pretty decent CSRF explanation: http://www.gnucitizen.org/blog/csrf-demystified/
In case you are in need of knowing how to extract this information from the certificate in your iOS code, here you have one way to do it. First of all add the security framework. #import <Security/Security.h> The add the openssl libraries. You can download them from https://github.com/st3fan/ios-openssl #import <openssl/x509.h> The NSURLConnectionDelegate Protocol allows you … Read more