What Is A Proxy Error

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How to Solve Proxy Error Codes - the Ultimate Guide! | netnut.io

How to Solve Proxy Error Codes – the Ultimate Guide! | netnut.io

Have you ever been frustrated by proxy error codes that you have received while using proxies, but you have no idea why? Proxy error codes are similar to HTTP status codes. By learning what these errors mean, you can smoothly perform your scraping activities and automate your IP settings as well. It is very likely to receive such errors if you do not adequately manage your proxies during crawling or scraping activities. Problems can occur either from your end (client-side) or from the server-side. You will learn the most common types of proxy errors, why you receive them, and how to solve them by further reading this is a Proxy Error? A proxy error is an HTTP error status that you will receive as a response when a request sent to the web server via a proxy fails. To keep using the proxy, you have to find a solution no matter what the case is. The returned response during a request failure may seem a bit confusing. If you are conversant about HTTP status codes, understanding proxy errors is not an issue. Status Code ClassesHTTP Status codes are displayed in three digits. They are grouped into five classes, such that the first digit of each error code depicts the are;1. 1xx – Informational2. 2xx – Success3. 3xx – Redirection4. 4xx – Client Error 5. 5xx – Server Error Common Proxy Error Codes and TheirSolutions1xx Informational Error Code These are provisional responses that are rarely used. These requests are considered to be used when the server is processing the requests;100 – ContinueThe code indicates that a part of the request is received, and the client can continue sending the remaining request. Typically, the client first sends a request header with a statement “Expect: 100-continue” and receives the 100 status code from the server to send the request’s body. The “expect” in the initial request is to avoid sending further requests if the server rejects the initial request header. 101 – Switching ProtocolsA web server sends a 101 status code when the browser requests to change the communication protocol during a transaction. When the client browser’s request asks the server to switch communication protocol and accepts it, it sends the HTTP status code “100 – Switching Protocols” as an acknowledgment. 102 – Processing (WebDAV)The web server might need some considerable time to process complex requests. When a client’s browser sends a WebDAV request with multiple sub-requests involving complex requirements, the server takes some time to process and eventually sends this code “102 – Processing”. This code aims to avoid timeout errors on the client-side by informing the client that the server received the request and processing it. 103 – Early HintsThe code “103 – Early Hints” is received by the webserver when sending the HTTP status to the browser before processing the HTTP requests. The name indicates this is an early hint to the client’s browser that the server has not started processing the requests. 2xx Successful Status CodeReceiving codes between 200 and 299 means that your proxy received your HTTP request, sent it to your intended website, and got a response. 200 is the most received code, informing that the server has fulfilled the request successfully. Pay attention to any other 2xx code other than 200 OK as it may show an error. Here are the most common 2xx status codes;201 – CreatedThis status code indicates the server has completed the client’s received request and has created a new resource based on the received request. The initial request is acting as a trigger to generate a new response in the server. For example, when a server is generating a new response based on a user’s login details. 202 – Accepted“202 – Accepted” is returned when the server receives the request from the client, but it has yet to process. That’s the only indication for accepting the request, but the result for processing the request will be known later on when the “actual processing” takes place. 203 – Non-Authoritative InformationThe code “203 – Non-Authoritative Information” was received when the server successfully processed the request but returned the information from another resource to the requested client. 204 – No ContentThe server cannot find any content for the received request; it sends a “204 – No Content” response code, indicating to the client that no content is returned. 205 – Reset ContentSimilar to the 204 code above. A request was processed successfully by the server, but no content is returned. The only difference here is that the 205 code informs the client to reset the document view. 206 – Partial ContentA server will return this error code when it sends a part of the requested resource affected by the range mentioned in the request header. E. g., the client requests a range of files to download and uses multiple streams to download the complete content. 3xx – Redirection Error3xx codes indicate that additional action is needed from the client-side to fulfill the status codes won’t be an issue when using a browser (for example, Google Chrome or Safari), but when using your own script. Scripts that you write, and when there’s no need to redirect the requests to other URLs, will come in these actions can create infinite loops, web browsers usually don’t follow more than five consecutive redirections of the same request. Some of the most common 3xx error codes are as follows;300 – Multiple ChoicesIt occurs when a requested URL is pointing towards more than one resource. The user agent (crawler or web browser) cannot decide which page to fetch, and an HTTP code “300 – Multiple Choices “is received. Fix 300 error code by checking the HTTP headers and make sure the URL is pointing to a single resource – so that the user agent can access the page successfully. 301 – Resource Moved PermanentlyThis error is received when there’s a permanent redirection set to an original URL to forward the user agent to a different a web server sends a “301 – Moved Permanently” status code as a user can’t see the original URL, search engines would only index the redirected URL. Most search engine crawlers and user agents can follow up to 5 redirects for a single URL. More than five redirects could result in an infinite loop, and browsers like Chrome will show a message like “Too Many Redirects”. A 301 code is the most popular out of all 3xx server response codes. 302 – Resource Moved TemporarilyA code “302 – Moved Temporarily” is received when a temporary redirect is set to the original URL. It means the user agent is redirected to another URL once making the request. 303 – See Another ResourceA “303 – See Another Resource” is received when the requested resource is located in another URL address, and it should be requested by using a “GET” method rather than code. Note that the initially requested page will be indexed by the search engines only when the “200 – Success” code is received. 304 – Resource Not ModifiedA server would respond with the “304 – Resource Not Modified” code if the requested resource hasn’t been modified since the request’s last time. In this case, the server would assume that there’s no need for sending the data again, since the client already has a copy of the requested resource, which was not that the “last time of modification” is mentioned in the request header line “If-Modified-Since” or “If-Match”, if your web page has not changed since the last time the search engine(s) crawler has accessed your site, then returning the 304 code is recommended to speed up indexing and reduce the crawler load. 305 – Use proxyThe code “305 – Use Proxy” will appear if the requested resource can only be accessed through a proxy server. The proxy server’s address is also received in the response and displayed in the browser’s window. Some browsers like Internet Explorer will not display this response properly due to the security concern of displaying the proxy server. 306 – Switch Proxy“306 – Switch proxy” code indicates the server should use the specified proxy for the following request(s). 307 – Temporary RedirectionCode “307 – Temporary Redirect” is received when a requested resource is moved temporarily to a different address, mentioned in the Location header of the request. This is just a temporary redirect, but the next request should access the original URL. BTW, only HTTP/1. 1 protocol uses this status code. 308 – Permanent RedirectA “308 – Permanent Redirection” code is an experimental code to indicate a permanent redirection (similar to 307, which is set as a temporary redirection). 307 and 308 codes are similar to the 302 and 301 codes, with the slight difference in not changing the HTTP method. 4xx Client Error CodesThe main types of HTTP proxy errors are 4xx and 5xx error codes. Receiving an error from the 4xx series indicates that the problem is from the client-side. It can be your request, browser, or the automation bot. 400 – Bad RequestIt is a generic response indicating that there’s a problem with your sent request. Sometimes it can be that your proxy server or the target website is unable to parse your request. Problems can be malformed syntax, invalid formatting, or deceptive request routing. 401 – Unauthorized“401 – Unauthorized” error code indicates that you are trying to access an unauthorized website where you have to authenticate yourself. The error is returned by the proxy server when the webserver requires authentication and authorization. Providing credentials will allow you to access the resource. 402 – Payment Required This response code is mostly set for future usage. Even though this status code is relatively rare and no standard convention exists, the aim for creating this code was for digital payment systems. 403 – Forbidden403 indicates that your request is valid and understood by the proxy or the webserver but refuses to respond. It happens when you have no permission to view the resource. 404 – Not FoundThis code is returned by the proxy server when the requested online resource is not available, even when the request is valid. Although 404 is primarily known as a “client error, ” it results from dead links. It could mean that the URL has been taken down, incorrect, or changed without redirection. 405 – Method Not Allowed405 is received when a request method is known by the server but has been disabled and can’t be used. For example, an API request may forbid “DELETE-ing” a resource. Both mandatory methods, GET and HEAD, must never be disabled and should not return this error code. 406 – Not AcceptableA response is sent when the web server doesn’t find any content that conforms to the criteria given by the user agent after performing server-driven content negotiation. 407 – Proxy Authentication RequiredA proxy indicates a 407 code when it requires authentication or when a tunnel fails to connect. It can happen when your scraper is not authenticated correctly with the proxy provider or when credentials are inaccurate. Another reason can be not whitelisting your IPs within the proxy lving this error requires you to update your proxy settings by including whitelisted IPs and enter proper credentials. Plus, make sure that all the required information is included in the request as well. 408 – Request TimeoutThis error code is received when a client hasn’t produced a request while the server is configured to wait or hold. The client may repeat the request without making modifications later at any time. If the 408 error is persistent, check the load created on your web server when detecting the errors. One more possibility might be connectivity problems. 409 – ConflictThe 409 – Conflict is usually unrelated to standard web server authority or security but to a specific application, conflicts not defined in the HTTP protocol web server is responding with this error when considering the client’s requests as legitimate ones, but a request could not be completed due to a conflict with the current state of the resources. The response body usually includes sufficient information for users to recognize the conflict’s source and fix the error. 410 – GoneThe web server responds with this error code when the requested resource is no longer available via the server, will not be available again, and has no know forwarding address. This error is similar to the 404 error, but 410 is a permanent one. 411 – Length RequiredThis error code means that the server is refusing to accept the request without a defined content length. The client should repeat the request by adding a valid content-length header field, which contains the length of the message-body in the request’s message. 412 – Precondition FailedThe webserver responded with this error code when preconditions are given in one or more of the request-header fields that have been evaluated as false when tested on the server. This status code allows the client to place preconditions on current resources meta-information (header field data) and prevents the requested method from applying to a resource other than the initially intended one. 413 – Request Entity Too LargeThe server’s refusing to process a request since the request entity is larger than what the server can process. The server could close the connection to prevent the client from sending more of the same request. “What constitutes ‘too large’ depends in part on the operation being attempted. For example, a request to upload large files (via the HTTP PUT method) may encounter limitations on upload file size set by the webserver. ”414 – Request-URL Too LongThe web server is responding with this error when refusing to service the request since the Request-URL is longer than the server can process. This rare condition is more likely to occur when a client has improperly converted “POST” requests to “GET” requests, with long query information once the client has descended into a URL redirections “black hole” (meant that a redirected URL prefix which is pointing a suffix of its own), or This error code could also be received when the server is attacked by a client’s attempts to exploit any security holes that are present in some servers, also using fixed-length buffers for Request-URL reading and manipulating. Typically, webservers are setting fairly generous genuine URLs limits on length. In case that a long URL is valid and you are still receiving a 414 error code, it means that the web server may need to be reconfigured to allow such URLs through. 415 – Unsupported Media TypeThe webserver is refusing to complete the request since the entity of the request is in formats that are not supported by the requested resource for the requested method. 416 – Requested Range Not Satisfiable416 status code is received when a server’s response usually returns with 416 if a request includes a “Range” request-header field. No range-specific values in this field overlap the current extents of selected resources, and the request didn’t have the If-Range request-header field. For example, if the resource is a file with 1000 bytes, and the Range requested is 500-1500, it cannot be sufficed as an acceptable range. 417 – Expectation FailedThe web server usually responds with this status code when the expectation received in an “Expect” request-header field cannot be fulfilled by the server or if the server is a proxy and has clear evidence showing that the next-hop server could not fulfill the request. 429 – Too Many RequestsThis error is likely to be received when sending too many requests within a limited time frame while using the same IP address. Websites usually implement such restrictions to protect from attackers and to avoid rotating proxies, setting delays between requests per IP and per a particular time frame can solve this error code. 5xx – Server ErrorSeries of 5xx is returned when the server receives the request successfully but cannot process the request or encounters a problem while processing solve all these 5xx errors, rotate the IPs, and change the proxy network and IP type. Using a residential proxy network is better in such cases to rotate IPs and ensure may receive error codes such as – 500 – Internal Server Error code “500 – Internal Server “is received when the server encounters an unexpected condition, stopping it from responding to the request. 501 – Not ImplementedThe “501 – Not Implemented” error is received when the server can’t provide the requested resource because of an unsupported or unrecognized method(s) used in the request. 502 – Bad GatewayThis error will frequently occur during data gathering when the server acts as a gateway or a proxy and receives an invalid response from another server. When super proxies refuse the internet connection or requests sent, IPs’ unavailability for chosen settings is detected as bots indicate 502 code. 503 – Services UnavailableThe “503 – Service Unavailable” code is received when a server receives the request at the same time other requests overload it, or it’s under planned downtime/maintenance. In this case, and if possible, check the status of the requested server. 504 – Gateway Timeout“504 – Gateway Timeout” is received when a server (a) acts as an external gateway or a proxy and does not receive the response on time from the next server (b), further up in the request chain which tries to access to fulfill the request. 505 – HTTP Version Not SupportedA “505 – HTTP Version Not Supported” code is received when a server isn’t supporting the HTTP protocol version and used in the request message. 507 – Insufficient Space“507 – Insufficient Storage” means that the server runs out of disk space and no more accommodates the request. 510 – Extensions are MissingThe server can’t process the request because an unsupported extension is requested, then the code “510 – Not Extended” is received. Solving Common Proxy Error CodesThe easiest way to solve these proxy error codes is by using a proxy manager. A proxy manager is often a free and open-source software that automates proxy management to avoid such errors. To prevent the 407 error code, You have to choose a proxy port. Then, all the associated credentials and zone information are automatically updated. You can apply specific actions within your proxy manager when a rule you applied gets triggered. To avoid errors such as 403, rotating your IPs is essential; hence residential proxies are the best option. NetNut can play its part by integrating with your proxy tools to avoid these errors. Learn how to integrate NetNut to configure your proxy out our GitHub repositories as well for a better understanding of advanced usage with our proxies, code documentation, and summarize, the basic steps that you can follow to solve these proxy errors are;1. Switching to Residential Proxies Although residential proxies are a bit more expensive, they provide a large pool of proxies, unlike data center proxies. Hence you can rotate your IPs and avoid getting blocked. NetNut is a better example of a residential proxy service provider, using a dynamic P2P + ISP Proxy Network, offering both Rotating & Static Residential IPs. 2. Decrease the number of requests Sending too many requests at the same time seems suspicious by any website. Set a slight delay between requests to avoid any errors. 3. Improve IP RotationAs explained above, using a proxy management tool helps to achieve this task. Control your IP sessions to minimize requests made with the same IP address. 4. Have a Well-Performing ScraperFollowing the above factors but using a poor-performing scraper can still give you errors. Hence, make sure that you have an advanced scraper to bypass obstacles implemented by websites. Remember! The first steps in overcoming these proxy errors are understanding the error code and why you get such code. Understanding such causes while implementing these techniques can let you perform your data gathering smoothly, minimizing ’t figure out a solution to your error code? Ping us via email and our support experts can help you out! Have you encountered an issue that isn’t listed here? Let us know!
Types of proxy errors ? How to resolve it - Limeproxies

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Types of proxy errors ? How to resolve it – Limeproxies

Proxy servers are the new solutions in the 2020 business industry. Its main agenda is to solve the most crucial problems which many modern businesses face today which is lack of information or in other terms data.
Data is the most significant factor which could help a brand to achieve better results with reference to lead generation, brand growth, and brand reputation. The reason why the existence of a proxy server is much spoken about topic presently is because it helps to conduct efficient online activities without any errors or risks attached.
‘’An estimated 54% of companies say they have experienced one or more attacks in the last 12 months. ’’
And the number is set to rise much more in the coming years, ‘’During the next five years, cybercrime might become the greatest threat to every person, place, and thing in the world. With evolving technology comes evolving hackers, and we are behind in security. ’’
If your brand hasn’t adapted proxy servers yet, it’s time to commence this Quick LinksJump straight to the section of the post you want to read:WHAT IS A PROXY SERVER? WHAT ARE PROXY ERRORS? TYPES OF PROXY ERRORS? HOW TO RESOLVE IT? THE BOTTOM LINE…WHAT IS A PROXY SERVER? Proxy servers stand between a user the website the user wants to access. For instance, say if you want to access information about ‘top 10 paid proxy servers’. You notice that one website has complete information but when you click on it shows that ‘your location cannot access the information’.
So if you were using a proxy server the situation would have been completely different. You would send a request to view that website. The request will first be received by the proxy server who will change your IP address and then send the request to the website. The website will see whether your IP address is from their location and if it is, you receive the access. The website will send the request back which again is received by the proxy server who will store it in the cache and then send it back to you.
Interesting Read: How to Use and Configure Proxy in Jenkins?
The main reason why brands get themselves blocked is that their IP address reveals their location, what a proxy server does is it eliminates your identity from being revealed which is its greatest feature. Imagine this, you can view any information without having to worry about being detected as spam or some kind of suspicious activity.
If you are someone who still has to use a proxy server or is already someone familiar with the use of proxy servers, you will be aware of the idea that a good thing like this solution will have some errors, commonly known as proxy errors.
WHAT ARE PROXY ERRORS? Techwalla explains, ‘’Proxy errors signify that an Internet user is not allowed to visit a specific website or URL. This restriction is set by the Internet administrator of the organization or by the website/URL creator to protect private content, which is only meant to be viewed by specific people. ’’
Proxy errors are the main root cause are server problems. The error message is being retrieved from the large scale Internet network to your system via the proxy server. An error code of 502 is a piece of key information that a proxy error has been identified.
Source: Youtube
Such errors develop because many bands configure their HTTP settings so say for example in case you want to visit a website but it restricts you that means a proxy error will be sent to you claiming that action. To avoid this from happening, always ensure that your HTTP filter component is configured by eliminating any extensions as well as signatures settings away from the HTTP filter settings. All you need to do is modify the settings to allow all extensions and signatures.
Interesting Read: How to choose the best proxy for E-commerce activities?
Proxy errors could occur at times and this could cause a hindrance in your work. In order to prevent this, you can try the below proxy error solutions which can resolve all the common proxy errors without any hassles.
TYPES OF PROXY ERRORS? HOW TO RESOLVE IT? 1. If the proxy server address is reflecting as incorrect, then the ideal option would be to disable the feature. This problem can arise due to few hindrances in the proxy settings.
Incase if the proxy server errors are still being committed, then it is wise to use a VPN for a time period.
If you receive a message from your browser stating that the proxy connection has failed then it is ideal to either try it out in another browser or visit the browsers default settings.
If the connection of your web browser claims as failed, then one reason could be due to the interference of antivirus programs. You could either disable the feature or eliminate the third party security tool
Always ensure that when you’re connecting the proxy server, your internet connection should be well working. In case of any connection loss, you could switch to a LAN for a temporary solution. Using Firefox as the web browser is considered to be a good choice. You can enhance it better by modifying its settings
Interesting Read: How to Use and Configure Proxy in Git?
Keeping a track of the antivirus programs being used in your system. The reason for the use of such programs is to secure your system as well as your online activities from any malicious intents. Despite this, such programs can also cause a hindrance with your proxy connection hence it is advised if you could disable the feature. If the proxy connection still doesn’t work through, it is better if you removed the program.
Another great way to work out better proxy connection is to disable the proxy you are using and instead of switching it to the default setting. To complete this action you should:
Click on Window key + S
Go to control panel and then hit the enter button
Choose Network and Internet
Hit the Internet options
Head over to the connection button and choose the LAN setting
Remove the selected option next to ‘ Use a proxy server for your LAN’
Put the tick mark next to the option ‘Automatically detect settings
Once completed, hit ‘Ok’ to save the changes
Eliminate any programs which are the reason for the rise in suspicious activity. Just like antivirus programs, there will be other similar programs that have the ability to modify your PC setting and if that happens, your proxy server connections can stop working. Hence it is advised to look around and identify which are these programs and completely get them vanished away from your system
As mentioned above, in case if you find your web browser stating ‘No internet connection’ or ‘No proxy connection’ then it would be better to use another web browser
10. If your web browser continues to show no signs of good connectivity, then you could try uninstalling it and reinstalling it again. That could work.
Interesting Read: The Ultimate Guide to buy best private proxy
Another way to fix your proxy errors via Windows 10 is to reset your Chrome settings. This is needed as sometimes such small proxy errors can be caused due to some minor system settings. For Chrome users, you can reset your settings by:
Go to Google Chrome and click the menu icon which would be present at the top right corner
Hit the settings category
Click on the Advanced option
When you see the ‘Rest and Clean up’ option, under it click on the option ‘Restoring settings to their original defaults’
Click on the ‘Reset settings’
In Windows sometimes even when you disable the feature, the proxy errors still appear. Hence to avoid that it would be better to get it resolved from the Windows registry. All you need to do is:
By clicking on the Windows Key + R option, a run dialog box will appear
Type the word ‘Regedit’ and hit enter
Start the process of backup saving of the registry. For this action, you need to click on ‘File’ and then ‘Export
Walk-in this path with HKEY_CURRENT_USER -> Software -> Microsoft -> Windows -> Current Version -> Internet settings
Eliminate values from Proxy Override, Migrate Proxy, Proxy Enable, Proxy Server
Once completed, lastly you just need to restart your system
THE BOTTOM LINE…Proxy servers are a great medium for any business to function better in 2020. Proxy servers are the ultimate solution required for the restrictions being faced in the online world. There are so many brands today that offer quality information but only to certain groups of people based on geographical locations and much more.
This becomes a hassle because there are many companies today who seek the online platform as a great way to enrich and grow their brands with the information available. Understanding this the use of proxy servers can benefit such brands without having to fear any risk of being detected as spam or malicious activity.
Always invest in a reliable and secure proxy server so that you receive the right security when viewing any information online. Also, keep in mind the proxy server you choose provides good internet speed to conduct your action as well as offers you a good number of IP addresses for your actions.
Do you face a lot of proxy errors in your system? Were the above solutions helpful for you? We would like to hear more from you about this article.
About the authorRachael ChapmanA Complete Gamer and a Tech Geek. Brings out all her thoughts and Love in Writing Techie to get started? Try it free for 3 days

“This webpage is not available” – Chromebook Help – Google Support

Send feedback help content & informationGeneral Help Center experience This message means Google Chrome couldn’t find and load the webpage you’re trying to visit. To fix the problem, try the steps below.
Check the web address
If you see the message “ERR_NAME_NOT_RESOLVED” or “ERR_CONNECTION_REFUSED” in your browser window, try these steps:
Check the web address (URL) in the address bar to make sure you’re going to the right webpage.
If you are, try to open the same webpage on another computer connected to the same network.
If you can’t see the webpage on any computer, check if you’re connected to the Internet. If you are, the webpage might be down.
Delete your cookies
Cookies are files created by websites you’ve visited to store browsing information, such as your profile or preferences for the website. Sometimes, a broken cookie file can cause errors.
On your computer, open Chrome.
At the top right, select More.
Select More tools Clear browsing data
Select a time range Cookies and other site data Clear data.
Change your proxy settings
If the browser takes a long time to load a webpage or search, it might be using a web proxy. If you see the message “Resolving proxy” or “ERR_PROXY_CONNECTION_FAILED” in your browser window, you can change your proxy settings.
At the bottom right, select the time.
Select Settings.
In the “Network” section, select the network you’re using.
Select the network name again.
Select Proxy.
Change your proxy settings.
Changing your proxy settings might break your connection to the web. If you’re not sure what settings to use, contact your network administrator. Also, proxies that need to be authenticated don’t work with Chromebooks.
Note: If you’re using your Chromebook at work or school, you won’t be able to change your proxy settings. For more help, contact your administrator.
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Frequently Asked Questions about what is a proxy error

How do I fix proxy server error?

To complete this action you should:Click on Window key + S.Go to control panel and then hit the enter button.Choose Network and Internet.Hit the Internet options.Head over to the connection button and choose the LAN setting.Remove the selected option next to ‘ Use a proxy server for your LAN’More items…•Apr 21, 2020

How do I fix proxy error on Chrome?

If you see the message “Resolving proxy” or “ERR_PROXY_CONNECTION_FAILED” in your browser window, you can change your proxy settings.At the bottom right, select the time.Select Settings .In the “Network” section, select the network you’re using.Select the network name again.Select Proxy.Change your proxy settings.

How do I get rid of the proxy error on Netflix?

Here’s how to fix the Netflix proxy error:Sign up with a VPN that works with Netflix – we recommend NordVPN.Download and install the appropriate VPN app or browser extension for your device.Open the VPN app or browser extension and connect to a server in your home country.Clear your browser’s cache and cookies.More items…•Sep 12, 2021

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