[svArtist]

I'm sad to see that you won't implement changing the default User Agent used by JD.
(FWIW, It seems to me it would introduce very little trouble that couldn't be left up to the user and just be included in the log files; it seems weird to simply not do anything for such an important feature request because of some potential issues. You could say that about any feature 😅)

My website (that I started using for supplementary DLs) host recently started blocking requests from JD with a 503 status, whereas the same request sent with a different UA goes through.

JS test, showcasing the User Agent being the only variable leading to a different outcome:

var agents = {
	jd: {
		label: "JDownloader",
		str: "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:76.0) Gecko/20100101 Firefox/76.0"
	},
	ch: {
		label: "Chrome",
		str: "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36"
	}
};
var url = "**External links are only visible to Support Staff**;
var ua = agents.jd;
// ua = agents.ch;
var headers = new Headers({
	"User-Agent": ua.str
});
console.log("Using", ua.label + ":", ua.str);
fetch(new Request(url, {
	headers
})).then(async (res)=>{
	console.log(res.status);
});

Spoiler:

I'm talking to them trying to make them undo what ever they did, but I'm not too hopeful that they will.

In the mean time, we need something to specify how requests are made in some way, outside the few plugins that support a custom UA.
I'd like to suggest a custom map of host URL patterns to UA strings, something like:

{
	"example.com": "My neat UA",
	"my-RegExp-url[_-]pattern\\.\\w{2,5}(\\/path\\/(.+))?": "Other cool UA",
	...
}

Won't you please look into this?

Thank you!

[pspzockerscene]

Originally Posted by svArtist

it seems weird to simply not do anything for such an important feature request...

How do you come to the conclusion that this is an "important feature"?
I can't find more than a hand full of threads of users who have requested this feature within the last 10 years.

Also JDownloader is open source so anyone could just implement said feature and ask us to merge the changes.
JDownloader source code:
https://support.jdownloader.org/de/k...up-ide-eclipse
Even if you are not a programmer, you could just grab the code and change the default value for your local copy.

Originally Posted by svArtist

I'd like to suggest a custom map of host URL patterns to UA strings, something like:

I'm against this (your map idea) but adding support for custom headers in LinkCrawler rules is already on our TODO list, see:
https://board.jdownloader.org/showth...382#post476382
As the user-agent value is also just a header, this would automatically allow for custom user-agent values.

[svArtist]

Originally Posted by pspzockerscene

How do you come to the conclusion that this is an "important feature"?

I meant important as in "fundamental", I suppose. I was thinking rather than handling any UA related issues individually, there could simply be one general point of configuration everything is piped through

Originally Posted by pspzockerscene

[...]adding support for custom headers in LinkCrawler rules is already on our TODO list

Oh, neato! 👌
I'm sorry, I wasn't aware.

Thank you for the quick reply! 🙌

[pspzockerscene]

Originally Posted by svArtist

I was thinking rather than handling any UA related issues individually, there could simply be one general point of configuration everything is piped through

I do agree that the current way of having individual user-agent settings for some plugins is not the best design choice especially if, over time, more are needed.
This should be something that can be done globally and/or via the advanced settings "GeneralSettings.domainrules".

Originally Posted by svArtist

I'm sorry, I wasn't aware.

No worries.

I just started to work on it.
This is not any kind of promise and I will not provide any ETA!
You can see the development progress by monitoring our SVN changes and/or by watching the tickets' progress value:

[svArtist]

Originally Posted by pspzockerscene

[...] You can see the development progress by monitoring our SVN changes [...]

Thank you 👍
Though I don't think I (and other non-admins?) have access to the tracker. I get a login prompt, but my username and PW don't work there

[pspzockerscene]

Originally Posted by svArtist

Thank you 👍
Though I don't think I (and other non-admins?) have access to the tracker.

It is private but you should see this yellow ticket embedded in my last forum post.
This is all you need to see.

[svArtist]

Originally Posted by pspzockerscene

It is private but you should see this yellow ticket embedded in my last forum post.
This is all you need to see.

Ah, okie dokie

[pspzockerscene]

The ability to add custom headers via LinkCrawler rules has been added, see changelog:
https://board.jdownloader.org/showth...766#post539766