IIS fails with 500 response code - iis

I've faced with request (/[13:49:32]:й) that leads IIS to fail with 500 error. It contains non-ASCII symbols so I've expected that disabling High Bit characters should fix it but it doesn't. It seems that [13:49:32] part influences on rewrite module or something else since it tries to load web.config file from another location (\?\E:\sitesroot\0[13:49:32]:й\web.config).
I'm not an expert in IIS but as I understand from poor search results and that stackoverflow also has such issue https://stackoverflow.com/[13:49:32]:й it is not a well-known issue. So I need some help from IIS guru to fix these errors (replace them with 400).

Related

Forcing internal server errors in IIS

Might seem like a strange question. But I want to be able to force 500 internal server errors (not errors with my code, but error 500 IIS).
Any sure bet way to do this?
I need to be able to test how other systems react that are connecting when the server returns Internal Server error 500.
I saw this question:
How to force IIS to throw an exception
Problem with this is I can already do this. If I do it this way, I have more control than with the IIS internal errors. Or at least I think I have more control.
I don't want to mimic a 500 error. I need to be able to see all the aspects of the 500 error IIS returns (content, headers, etc).
The purpose is that I need to be able to CHANGE those things if possible. And know I changed them.
One example of what I need to do is set a short cache time for these internal 500 errors (without affecting other responses).
This worked for me, I configured IIS limits to zero connections. Any requests gives
HTTP/1.1 503 Service Unavailable\r\n
Not exactly what you asked for, but perhaps close enough?

IIS 500.51 error and how to fix it

I've borked my server, and I'm not sure how to fix it. I've cleared my rules, I've reset my web.config back to its pre-rewrite rule state, and still, the error I get is HTTP Error 500.51 - URL Rewrite Module Error. So it's obviously that problem, but I don't know what else to do about it. I looked up this error on google, and found that there's a similar one (50), but it doesn't say exactly what I need to do...it seems that it's stuck somewhere, but I have no idea where that would be...How do I fix this?
So, it would seem that IIS had a rule, but wasn't displaying it. I found this out because I restarted IIS entirely, and the rule popped up, and then I was able to delete it, and voila! Back in business.

Why Server header in not getting removed from the response in 500 error?

I recently scanned my application for the vulnerability, got minor fixes but for one of them I tried hard still not able to fix. For some operation my site throws 500 error and when I check header of that error, it is having server header named IIS 7.5. I have already used URL rewrite rule,registry fix,URL scan thing, but seems to be nothing is working.How to fix that ?
If you mean the Server HTTP header, which will probably be set to something along the lines of Microsoft-IIS/7.5 then the easiest way is to overwrite it with a blank or custom value in IIS. You can remove it completely by creating your own HTTP module. The following link discusses the manifold methods you can try:
http://www.dionach.com/blog/easily-remove-unwanted-http-headers-in-iis-70-to-85

Joomla : whenever i change URL rewriting and enable htaccess get error

My site was working fine for the last couple of months and suddenly stopped working. and the issue was backend was working fine but the front end does not load at all.
then I contacted server providers they saying they have not done any changes to the server and asking me to contact Joomla support to see any in-depth errors. they even said they cant find any issues from the logs.
Then what I did was I reinstall VirtueMart (mind you this is an e-commerce site). then it started to work again from the front end. but I realize follow on pages aren't working. so what I did was I remove url re-writing and change the .htaccess code to txt.
so the issue I am having now is I can see index.php file in the URL. but whenever I try to change use url rewriting and enable .htaccess I get this error
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator, webmaster#domain.au and inform them of the time the error occurred, and anything you might have done that may have caused the error.
Additionally, a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request.
anyone have any ideas?
Suddenly stopped working, without any change from your end ?
Try to step backward and recall anything you did before the issues.
The virtuemart re-installation should not have any relation with the SEF settings and the htaccess.
All these seem to be a combination of different issues.
Have you made any changes on the htaccess file ?
Go in Joomla Global configuration and disable SEF settings. Set URL rewriting to No. Then try to load pages in the front-end.
If you need SEF URLs, follow these instructions about how to enable this feature in Joomla:
http://docs.joomla.org/Enabling_Search_Engine_Friendly_(SEF)_URLs

IIS 404 Error even when file exists?

I have been working with IIS 7 for a while and it has worked fine until it just suddenly started throwing 404 errors for my multiple websites even though they actually exist. All of the configurations seems fine (path, default document) but not a single file, no matter the format or location will be loaded.
Another strange thing is that everything works when I try to access the websites via localhost or 127.0.0.1 but not through my external IP.
Does anyone know why this could happen and how I can fix it?
Edit:
It appears this 404 page is not the built in IIS error page. It is associated with nginx but I'm not sure where the file is located on my server or why my pages are being intercepted.
It turns at the server was hijacked by Morfeus F***ing Scanner, which I was not aware was even a thing until this happened. It's activity showed up in the server access logs. I basically had to reset the entire server. It was quite a chore.

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