Repository: youtube-dl
Issue: [Pluralsight] Unable to download webpage: HTTP Error 403: Forbidden (caused by HTTPError())
Labels: broken-IE,account-needed

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## Checklist

<!--
Carefully read and work through this check list in order to prevent the most common mistakes and misuse of youtube-dl:
- First of, make sure you are using the latest version of youtube-dl. Run `youtube-dl --version` and ensure your version is 2021.06.06. If it's not, see https://yt-dl.org/update on how to update. Issues with outdated version will be REJECTED.
- Make sure that all provided video/audio/playlist URLs (if any) are alive and playable in a browser.
- Make sure that all URLs and arguments with special characters are properly quoted or escaped as explained in http://yt-dl.org/escape.
- Search the bugtracker for similar issues: http://yt-dl.org/search-issues. DO NOT post duplicates.
- Read bugs section in FAQ: http://yt-dl.org/reporting
- Finally, put x into all relevant boxes (like this [x])
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- [ x] I'm reporting a broken site support issue
- [ x] I've verified that I'm running youtube-dl version **2021.06.06**
- [ x] I've checked that all provided URLs are alive and playable in a browser
- [ x] I've checked that all URLs and arguments with special characters are properly quoted or escaped
- [ x] I've searched the bugtracker for similar bug reports including closed ones
- [ x] I've read bugs section in FAQ


## Verbose log

<!--
Provide the complete verbose output of youtube-dl that clearly demonstrates the problem.
Add the `-v` flag to your command line you run youtube-dl with (`youtube-dl -v <your command line>`), copy the WHOLE output and insert it below. It should look similar to this:
 [debug] System config: []
 [debug] User config: []
 [debug] Command-line args: [u'-v', u'http://www.youtube.com/watch?v=BaW_jenozKcj']
 [debug] Encodings: locale cp1251, fs mbcs, out cp866, pref cp1251
 [debug] youtube-dl version 2021.06.06
 [debug] Python version 2.7.11 - Windows-2003Server-5.2.3790-SP2
 [debug] exe versions: ffmpeg N-75573-g1d0487f, ffprobe N-75573-g1d0487f, rtmpdump 2.4
 [debug] Proxy map: {}
 <more lines>
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```
[debug] System config: []
[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: ['--username', 'PRIVATE', '--password', 'PRIVATE', 'https://app.pluralsight.com/library/courses/48cc2615-745c-4dde-bcff-36d49dfeeb24', '-o', 'C:/Users/asalinas/Videos/Pluralsight/%(playlist)s/%(chapter_number)02d - %(chapter)s/%(playlist_index)02d - %(title)s.%(ext)s', '--sleep-interval', '35', '--max-sleep-interval', '120', '--sub-lang', 'en', '--sub-format', 'srt', '--write-sub', '--verbose']
[debug] Encodings: locale cp1252, fs mbcs, out cp437, pref cp1252
[debug] youtube-dl version 2021.06.06
[debug] Python version 3.4.4 (CPython) - Windows-10-10.0.17763
[debug] exe versions: none
[debug] Proxy map: {}
[pluralsight:course] 48cc2615-745c-4dde-bcff-36d49dfeeb24: Downloading JSON metadata
[download] Downloading playlist: Essential Google Cloud Infrastructure: Foundation
[pluralsight:course] playlist Essential Google Cloud Infrastructure: Foundation: Collected 51 video ids (downloading 51 of them)
[download] Downloading video 1 of 51
[pluralsight] Downloading login page
ERROR: Unable to download webpage: HTTP Error 403: Forbidden (caused by HTTPError()); please report this issue on https://yt-dl.org/bug . Make sure you are using the latest version; type  youtube-dl -U  to update. Be sure to call youtube-dl with the --verbose flag and include its complete output.
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpkqxnwl31\build\youtube_dl\extractor\common.py", line 634, in _request_webpage
  File "C:\Users\dst\AppData\Roaming\Build archive\youtube-dl\ytdl-org\tmpkqxnwl31\build\youtube_dl\YoutubeDL.py", line 2288, in urlopen
  File "C:\Python\Python34\lib\urllib\request.py", line 470, in open
  File "C:\Python\Python34\lib\urllib\request.py", line 580, in http_response
  File "C:\Python\Python34\lib\urllib\request.py", line 508, in error
  File "C:\Python\Python34\lib\urllib\request.py", line 442, in _call_chain
  File "C:\Python\Python34\lib\urllib\request.py", line 588, in http_error_default
```


## Description

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If work on your issue requires account credentials please provide them or explain how one can obtain them.
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Trying to download videos from Pluralsight.com.
This requires username and password that will not be posted here but I can provide if required. Please request credentials privately for testing or troubleshooting and I can provide.
Followed instructions according to the following page:
https://gist.github.com/ivanskodje/5bd8697a64e9879f397f7ef161cf0956

What the problem is
- Videos doesn't download properly
How it could be fixed
- Not sure
How your proposed solution would look like
- Videos downloading properly