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But I'm not buying it. I had over 500 of these requests this month, all coming from various Mozilla UAs, and nearly all were referred by existing pages on my own site.
So can someone tell me, what is the cause of this? Is there a secret button in the browser that tries to show the contents of the current directory?
Should I be putting a rule in .htaccess to either help these users, or not?
These are the user agents:
- Mozilla/4.06 [en]C-gatewaynet (Win98; I)
- Mozilla/4.7 [de] (WinNT; U)
- Mozilla/4.51 [en] (X11; U; SunOS 5.8 sun4u)
The GET /a_life argument doesn't count imo. All requests are mixed with valid requests from the same ip's/ua's. Nothing suspicious.
Anbody know what's that?
Yidaki, I agree with you, that these seem to be coming from legitimate surfers, using Mozilla, on a variety of OS'es. I personally don't use Mozilla, so I'm again asking for help with this.
Can someone explain what feature or event occurs in Mozilla, that generates requests for GET /folder/null?
Could someone suggest a rewrite rule to automatically route these to the homepage? ( I'm a rookie at that stuff. is "null" a protected word in .htaccess files, or can a simple rule doe the trick?)
var varname = null;
// something that is supposed to set varname here, but fails
window.location.href = "/folder/" + varname;
Might be a bot or a script error on your own pages or something like that. Best guess I can come up with.
Does Mozilla do something to automatically to invoke some scripts to set its BACK button destination, or other navigation buttons or features?
Anyone have any suggestions for rewrite rules to take care of these things?
I don't know much at all about mod_rewrite, so I can't be of any help there, but as a temporary solution you could make a blank file called 'null' in '/folder/' just to stop the 404s.
The requests are often mixed with seemingly "normal" request with the UA "Mozilla/3.01 (compatible;)", which is commonly used by some proxy software.
At first, I suspected a broken robot, but then I found a request to the search feature on my site following up to one of the broken requests. My 404 page prominently offers a search form, which uses a POST action, and is therefore very unlikely to be triggered by a robot. So everything points to a frustrated human trying to find the page he really wanted to go to in the first place.
They are ending up my my custom 404 page. I supposed I could (with help), modify .htaccess to route them someplace else... but that would confuse them too.. since they really wanted to go back.
I just wish I knew for sure, which button the users were pushing, that was causing this problem.
I gonna set up a /null response page at one of my sites and ask the user to give me some feedback of why they get there - a quick form just with a message input box. I'm sure i'll get at least one constructive feedback. If so, i'll report back here.
Has anyone else had any luck in figuring this out?