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HellBound Hackers | Computer General | Webmasters Lounge
Author

Hey HBH need a good guide
Mb0742
Member



Posts: 189
Location:
Joined: 26.11.07
Rank: Hacker Level 2
Posted on 13-11-11 13:06
Anybody got a decent tutorial on building a secure file upload page in php? (Can't do https). Namely preventing some dickhead uploading a 20 gb file etc.

Bit tough being a member on this site and setting out to do something like this following your typical online guides.

On a totally irrelevant point: is anybody else considering buying a plus membership just so they can see the site upgrade?

Mb

Edited by Mb0742 on 13-11-11 13:25
javascript:alert("hi")
Author

RE: Hey HBH need a good guide
Mb0742
Member



Posts: 189
Location:
Joined: 26.11.07
Rank: Hacker Level 2
Posted on 14-11-11 02:04
thanks, that was my main concern, however what about limiting to files, null byte etc.?

Mb
javascript:alert("hi")
Author

RE: Hey HBH need a good guide
spyware
Member



Posts: 4190
Location: The Netherlands
Joined: 14.04.07
Rank: God
Warn Level: 90
Posted on 14-11-11 17:30
MoshBat wrote:
Type of file??? Check the file name


No! Check the file header! PHP and Unix-like system have some built-in functions to do this. File uploads are tricky though, especially if you're trying to account for fringe cases and attacks.



"The chowner of property." - Zeph
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but it is suicidal for nations in the long term.” - Carl Sagan
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