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No, it's not a security risk to open multiple concurrent connections to MySQL or any other real database (MS Access is not a real database). They are made to work like this. The risk you can face is if someone starts more connections to the database than it can handle. In this case, other clients will not be able to be served in time. A DoS, effectively. ...


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It sounds to me like you're running into thread-safety issues. The fix for this, as you've discovered, is to not re-use connections. To your question specifically, no, there is no security risk in opening new connections each time you need to connect to the database. You don't say what technology you're using (besides MySQL) but typically if you're ...


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You should probably not execute database queries to filter data. As far as my knowledge goes there is no risk with opening more connections other than a performance loss. It seems like the problem can be solved with some asynchronous message passing though. If people can run a DoS attack by clicking a filter button rapidly you likely have more serious ...


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Your basic ddos attack scenario. i think they call this a reflection attack. You forge billions of request, with the requester being the ip address(es) of the website you wish to attack. if you can send them with enough frequency, this results in a DDOS caused by the website you are attacking receiving all of the response headers from your malicious ...



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