HTTP Error 405 method not allowed : 

What is Error 405?  

The HTTP protocol defines strategies to point the action to be performed on the online server for the actual URL resource known by the consumer (e.g. your application or our CheckUpDown robot). 

The ways' area unit as follows: 

OPTIONS: conclude the communication choices obtainable for a specific uniform resource locator resource. Permits the consumer to work out the choices and/or necessities related to a resource, or the capabilities of a server, while not a particular action involving transfer of information. 

GET: 

Retrieve the knowledge known by the URL resource e.g. GET a specific web content or image. The foremost common technique out and away. 

HEAD: 

just like GET except that the server returns header data solely, not the particular data known by the URL resource. Helpful to get meta information regarding the entity silent by the request while not transferring the entity-body itself. Usually accustomed take a look at hypertext links for validity, accessibility, and up to date modification. 

POST: 

 Submit information to the online server like 1) post a message to a bulletin board, newsgroup or listing, 2) offer computer file usually from a CGI kind  to a data-handling method, 3) add a record on to an information. 

Puts: 

Set (place/replace) {the information|the info|the information} for a specific URL to the new data submitted by the consumer. As an example, transfer brand-new web content to a server. 

DELETE: 

take away the information related to the URL resource. As an example, delete an internet page. 

TRACE: 

Run an overseas, application-layer loop-back of the request message. Effectively a 'ping' that tests what information the online server is receiving from the client. 

CONNECT: 

Reserved to be used with tunneling (e.g. SSL) via a proxy server. This technique is outlined just for HTTP version one.1, not the sooner version one.0. All internet servers may be organized to permit or veto any technique. As an example if an internet server is 'read-only' (no consumer will modify uniform resource locator resources on the online server), then, it might be established to veto the place and DELETE strategies. equally, if there's no user input (all the online pages' area unit static), then the POST technique might be disallowed. Thus 405 errors will arise as a result of the online server isn't organized to require information from the consumer in the slightest degree. They'll additionally arise if the consumer doesn't have a adequate authority to the actual uniform resource locator resource known on the request. (Last updated: March 2012). 

Fixing 405 errors – general: 

405 errors usually arise with the POST technique. You'll be attempting to introduce some reasonably input kind on the online website, however not all ISP permit the POST technique necessary to method the shape. All 405 errors may be copied to configuration of the online server and security governing access to the content of the online website, thus ought to simply be explained by your ISP. 

Solution 1: 

modify hypertext transfer protocol strategies you’re undecided of the explanation for the “405 technique Not Allowed” message, you ought to continuously initial scrutinize the settings of the software package elements that area unit to blame for responding to hypertext transfer protocol requests. Typically, this can be handled by the online server, however a reconnected Proxy or HTTP handler (in ASP.NET internet applications) may even be to blame for the matter if the strategy is just not enabled. Since discontent|the various} applications differ from one another regarding configuration, you initially ought to conclude however the activation or deactivation of the hypertext transfer protocol strategies function for every software package. For Apache internet servers, enabled methods area unit such as with the assistance of the mod_allow methods module, as an example. This may be controlled victimization the Allow Methods directive within the <Location; containers, that area unit required to specify settings for one or additional desired URLs. One configuration that allows access to the resource moreover as client-side information entry may be enforced with the subsequent entry: 

Solution 2: 

 stop working the ASCII text file you’ve deliberately blocked associate degree HTTP technique, as an example, to ensure the security of the website (common apply for the place method), however the consumer still triggers such an invitation to retrieve uniform resource locator resources, {this are|this is usually|this can be} often because of incorrect website programming. The requested page or part is so incorrectly connected with the strategy, that is why the 405 error is that the logical consequence. The answer is to find the problematic code within the corresponding markup language document and replace the entered code with the proper request technique. If the server configurations and ASCII text file area unit reconciled, then there’ a high chance that the 405 HTTP error can disappear from the browser window of your traveler. 

Solution 3: 

et Bypass the provider’s security barriers antecedent mentioned, the 405 error may also have the background that the corresponding HTTP strategies for sure MIME sorts – like to associate degree html document, as an example – are disabled by the hosting supplier for security reasons. During this case, you'll be able to after all contact your supplier and evoke approval – however if this isn’t doable, there area unit tricks that permit you to use the method for your internet project anyway. You can deliver the website with a special MIME sorts obtainable for the required technique to figure round the barrier. POST, as an example, are sometimes deactivated for HTML pages, whereas the method functions in PHP documents. If you modify the extension sort, as an example, from index.html to index.php, there’ an honest likelihood that you’ll have resolved the “405 technique Not Allowed” drawback to fix HTTP Error. 

405 technique Not Allowed in Clear SCADA Mobile? 

 A common explanation for this error is that the Web DAV publication feature being put in as a region of net data Services. This feature could block bound hypertext transfer protocol verbs required for Clear SCADA Mobile to perform properly. Please follow the steps below for resolution:1. Launch net data Services (IIS) Manager and find the Clear Scada Mobile website.2. Click on the Clear Scada Mobile website and open Handler Mappings by locating this feature within the IIS section, right clicking on that and choosing Open Feature.3.In Handler Mappings, find the Web dav handler and double-click on that to look at its properties.4. Within the Edit Module Mappings window, click for the asking Restrictions.5. Once the Request Restrictions window is shown, click on the Verbs tab, choose Verbs and click on okay to apply the amendment.6. Choose the Clear Scada Mobile website once more and restart the website by clicking on Restart within the Manage website section.7. Restart the mobile application within the mobile device and check out to attach once more.