Wget ошибка 403

Are you stuck with Wget 403 forbidden? Here’s how we fix it.

Usually, wget 403 forbidden occurs due to errors with cookies, referer, user agent and so on.

At Bobcares, we often receive requests to fix this error as part of our Server Management Services.

Today, let’s discuss how our Support Engineers fix this error easily for our customers.

Why does Wget 403 forbidden error occur?

As we all know, we use the wget command to download files from the server.

But, it often shows up 403 Forbidden error. Let’s discuss some major reasons that cause this error.

Cookies, data that a server sends to the user’s web browser can cause this error. Error with these cookies will reject the request and cause 403 forbidden.

And, not setting the Referer header properly will also result in a forbidden error.

User-agent is a string that introduces the browser and operating system to a server. Different requests yield different responses depending on the user agent. It can also cause the forbidden error in wget.

How we solve the forbidden error?

Recently, one of our customers approached us with a wget error. He tried to download a file using wget and ended up getting a 403 forbidden error.

Our Support Engineers checked the error in detail. On checking, we found that the server was checking the referer.

On adding it to the command line, he was able to download the file using wget.

Similarly, some HTTP requests will get bad responses as they reject user agents that do not start with Mozilla or contain Wget.

So, to resolve the error, we can set a custom user agent as follows.

wget 403 forbidden

This will resolve the error easily.

[Need more assistance to fix this error?- We’re available 24/7]

Conclusion

In short, wget 403 forbidden occurs due to errors with cookies, referer, user agent and so on. In today’s writeup, we discussed how our Support Engineers fix this error for our customers.

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Источник

linux

TS-FROJER

Пытаюсь скачать файл через wget
HTTP request sent, awaiting response… 403 Forbidden
2019-12-21 21:41:12 ERROR 403: Forbidden.


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Ответы на вопрос 1

Сервер запрещает доступ к файлу. Если это не навороченная защита и для скачивания файла не нужно предварительно авторизовываться, то думаю будет достаточно поменять useragent wget’у

--user-agent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0"


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In the world of system administration, it’s common to encounter various errors while performing tasks. One such error is the “403 Forbidden” error that may occur while downloading HTTPS files using wget. This article will guide you through the steps to resolve this issue.

  1. Understanding the “403 Forbidden” Error
  2. Using wget to Download HTTPS Files
  3. Resolving the “403 Forbidden” Error
  4. Conclusion

Understanding the “403 Forbidden” Error

The “403 Forbidden” error is an HTTP status code that means the server understood the request but it refuses to authorize it. This status is similar to 401 (Unauthorized), but indicates that the client must authenticate itself to get the requested response.

When using wget to download files from a server, a “403 Forbidden” error typically means that the server is denying access to the file. This could be due to various reasons such as incorrect credentials, IP blocking, or access restrictions set by the server.

wget is a free utility available for Unix-like operating systems (including Linux and macOS) that retrieves files from the web. It supports HTTP, HTTPS, and FTP protocols, and can retrieve files through HTTP proxies.

Here is a basic command to download a file using wget:

wget https://example.com/file.txt

In this command, https://example.com/file.txt is the URL of the file to download. wget will save it in the current directory with the same name (file.txt).

To download HTTPS files, you may need to specify the secure protocol and provide authentication details. Here is an example:

wget --secure-protocol=auto --user=username --password=password https://example.com/file.txt

In this command:

  • --secure-protocol=auto: This option specifies the secure protocol to be used. The auto argument means wget will automatically select the appropriate protocol. Other possible values are SSLv2, SSLv3, and TLSv1.
  • --user=username and --password=password: These options provide the username and password for authentication.

Resolving the “403 Forbidden” Error

If you encounter a “403 Forbidden” error while downloading HTTPS files using wget, follow these steps:

  1. Check Your Credentials: Make sure you have the correct username and password. If you’re unsure, contact the server administrator or check the server’s documentation.
  2. Bypass the Certificate Check: If the server’s certificate is not valid or you want to bypass the certificate check, you can use the --no-check-certificate option. However, be aware that this makes your connection less secure. 
    wget --no-check-certificate --user=username --password=password https://example.com/file.txt
  3. Contact the Server Administrator: If the issue persists, it could be due to access restrictions set by the server. Contact the server administrator for further assistance.
  4. Compile wget with OpenSSL: If you’re unable to download HTTPS files even after trying the above options, it could be because your distribution does not support HTTPS downloads by default. In such cases, you may need to compile the wget source code manually using OpenSSL. Refer to this guide on how to compile wget source code using OpenSSL.

Conclusion

The “403 Forbidden” error while downloading HTTPS files using wget can be resolved by checking your credentials, bypassing the certificate check, contacting the server administrator, or compiling wget with OpenSSL. Always remember to use secure protocols and provide correct authentication details to ensure a successful download.

Bypassing the certificate check by using the --no-check-certificate option with wget can make your connection less secure. It should only be used if you trust the server and are certain that the certificate is valid. It is generally recommended to ensure the server’s certificate is valid and use secure protocols for secure file downloads.

If you are unsure about your credentials for downloading HTTPS files using wget, it is best to contact the server administrator or refer to the server’s documentation for the correct username and password. They can provide you with the necessary authentication details to access the files.

In most cases, if your IP address is blocked by a server, using wget alone may not help you bypass the block. You would need to use additional techniques such as using a proxy server or VPN to change your IP address and gain access to the files. However, it is important to respect server policies and only attempt to access files from servers that you have proper authorization for.

Источник

Если при скачивании сайта командой wget, например с такими параметрами:

wget -r -k -l 7 -p -E -nc http://site.ru/

у вас возникла ошибка 403 Forbidden:

HTTP-запрос отправлен. Ожидание ответа... 403 Forbidden
2018-11-10 13:25:41 ОШИБКА 403: Forbidden.

Попробуйте добавить заголовки к команде:

wget -r -k -l 7 -p -E -nc --header="User-Agent: Mozilla/5.0 (Windows NT 6.0) AppleWebKit/537.11 (KHTML, like Gecko) Chrome/23.0.1271.97 Safari/537.11" --header="Referer: http://xmodulo.com/" http://site.ru/

Кто-то использует ещё заголовок --header="Accept-Encoding: compress, gzip", но у меня с ним не заработало.

Если и этот вариант не сработает, то можно ещё какие-нибудь заголовки использовать. Дело в том, что такая ошибка возникает, когда сайт проверяет заголовки запроса, чтобы предотвратить скачку страниц.

Также может быть полезно использование настроек конфигурационного файла .wgetrc, чтобы задать одинаковые параметры для вызова команды wget. Файл настроек может выглядеть так:

$ nano ~/.wgetrc

/home/vivazzi/.wgetrc

header = Accept-Language: ru,en-US;q=0.8,en;q=0.6
header = Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
header = Connection: keep-alive
header = Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
header = Accept-Encoding: gzip, deflate, sdch
user_agent = Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome$
referer = /
robots = off

Иногда robots.txt блокирует, поэтому его можно отключить параметром robots = off.

Дополнительные параметры файла .wgetrc вы можете посмотреть на странице http://dbserv.pnpi.spb.ru/~shevel/Book/node106.html.

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После нажатия кнопки «Отправить» ваше сообщение будет доставлено мне на почту.

Артём Мальцев

Веб-разработчик, владеющий знаниями языка программирования Python, фреймворка Django, системы управления содержимым сайта Django CMS, платформы для создания интернет-магазина Django Shop и многих различных приложений, использующих эти технологии.

Права на использование материала, расположенного на этой странице https://vivazzi.pro/ru/it/wget-403-forbidden/:

Разрешается копировать материал с указанием её автора и ссылки на оригинал без использования параметра rel="nofollow" в теге <a>. Использование: 

Автор статьи: Артём Мальцев
Ссылка на статью: <a href="https://vivazzi.pro/ru/it/wget-403-forbidden/">https://vivazzi.pro/ru/it/wget-403-forbidden/</a>

Больше: Правила использования сайта

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Книга предназначается для широкого круга читателей и, по мнению автора, будет полезна специалистам отдела закупок и логистики, категорийным и финансовым менеджерам, менеджерам по продажам, аналитикам, руководителям и директорам, в компетенции которых принятие решений по управлению ассортиментом.

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So, today I was trying to download an entire C programming tutorial from a website, it was splitted in several different html files and I wanted to have it all so I could read it while offline.

My first thought was about using wget to automatically get it all with the following parameters:

#wget -r -np http://www.xxx.com/docs/stuff/yeah/

The output:

–2009-04-08 02:34:59–  http://www.xxx.com/docs/stuff/yeah/
Resolving http://www.xxx.com&#8230; 75.126.69.23
Connecting to http://www.xxx.com|75.126.69.23|:80… connected.
HTTP request sent, awaiting response… 403 Forbidden
2009-04-08 02:35:00 ERROR 403: Forbidden.

So, you might ask yourself  “but then how the hell my browser got the html files without any error?”.

The webserver use a kind of security configuration where they will refuse any “user agent” which is not related to a browser. For example, when you use wget to download the html, the webserver will answer you with “ERROR403: Forbidden”, because it is not a valid browser, it is Wget. I just don’t know yet how it works at the server side, hopefully I will be writing more about it in the next posts.

So now we can try the following parameters in order to break it:

#wget -U firefox -r -np http://www.xxx.com/docs/stuff/yeah/

Where “-U” means “user agent”

It works flawlessly! 😀

Please share with us your experiences about it.

References:

http://www.checkupdown.com/status/E403.html

http://www.gnu.org/software/wget/manual/

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