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Out of the blue, around 40% of my website's community can no longer visit, saying they're getting "No Data Received" errors. We've taken our firewall offline, tried going through systems such as Cloudflare and checked our .htaccess to no avail.
I've asked affected users to traceroute but the weird thing is it looks like it's being stopped at ISP level.
Can anyone suggest other things that may be causing this error?
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I need a online website to test MySQL statements (some sort of sandbox). Bonus points if you can store code and share it with other people. Something similar to jsfiddle.net for JavaScript. It allows code testing in a safe secure environment.
Theres an sql formatting tool that also reports syntax errors:
http://www.dpriver.com/pp/sqlformat.htm
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if some one tried force burst attack on my website. how can i block their IP address.
i mean, i want to block an IP if, getting many http/Apache/SQL requests per second. how can i prevent those force burst attacks
Linux Server
thank in advance
In your .htaccess you can add something like:
order allow,deny
deny from <ip address>
allow from all
Or depending upon your operating system you can add a rule to your iptables.
For example, here is how you would do it in ubuntu.
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Is there any site where I can get good database with practice queries to solve. I am seeing a lot on internet, but mostly looks like beginner level.
Check out SQL Zoo: http://sqlzoo.net/
See http://www.w3schools.com/sql/default.asp ... I first started with that then I made up a database with 5 or 6 tables and tried myself subqueries and so on...
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at the moment I'm writing a paper and I need some input about the state of the art of selhealing and selfprotection in DBMSs. Does somebody read some interesting articles or books about this topics in the last few month? Doesnt matter which DBMS you have read about.
Regards
Perhaps this: Automatic Page Repair During a Database Mirroring Session.
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It seems to be that most firmware should, by now at least, look for 127.0.0.1 for the loopback and not, e.g. 127.*.*.*
If they change the definition of routable IP addresses, that will create more compatibility problems than it solves allocation problems. That would add less than 1% to the pool of IP addresses, and would be consumed very quickly. In this case, I think the cure is worse than the disease.