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Ace Coder
 Post subject: Denial Of Service Attack
PostPosted: December 30th, 2009, 8:19 am 
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Joined: October 26th, 2009, 6:29 am
Posts: 362
Quote:
Warning: mysql_connect() [function.mysql-connect]: User ahk_ahk already has more than 'max_user_connections' active connections in /home/ahk/public_html/forum/db/mysql4.php on line 48

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 330

Warning: mysql_errno(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 331
phpBB : Critical Error

Could not connect to the database


I don't speak fluent sql error, but this looks similar to previous attacks.
The site is running very slow.
What is going on? >.>

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fincs
 Post subject:
PostPosted: December 30th, 2009, 12:24 pm 
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Joined: May 5th, 2007, 7:24 pm
Posts: 1240
Location: Seville, Spain
The current server is crappy, see http://www.autohotkey.com/forum/viewtopic.php?t=52710.

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Ace Coder
 Post subject:
PostPosted: December 31st, 2009, 6:33 am 
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Posts: 362
Oh, I don't know how I missed that thread.
Well they look close to a solution.
Just curious, anyone know why this has become so frequent recently?
Increased users?
It's very late and I just got another
Quote:
Warning: mysql_connect() [function.mysql-connect]: User ahk_ahk already has more than 'max_user_connections' active connections in /home/ahk/public_html/forum/db/mysql4.php on line 48

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 330

Warning: mysql_errno(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 331
phpBB : Critical Error

Could not connect to the database
Why would this happen so late at night if it were user related.

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tomoe_uehara
PostPosted: December 31st, 2009, 6:39 am 
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Joined: September 5th, 2009, 2:06 pm
Posts: 1713
Location: Somewhere near you
Ace Coder wrote:
Why would this happen so late at night

Well, it's late at night at your lication, but for the others it's different =)
Sometimes I got those error message too, mostly when I tried to reply a post.

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Ace Coder
 Post subject:
PostPosted: December 31st, 2009, 6:42 am 
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Joined: October 26th, 2009, 6:29 am
Posts: 362
Well I sit right in the middle of America, so I assume the majority of users users are moon-bathing right now...

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Ace Coder
 Post subject:
PostPosted: December 31st, 2009, 6:43 am 
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Joined: October 26th, 2009, 6:29 am
Posts: 362
Off-Topic:
But do you use a script to change your font color?
Or do it yourself each post?

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tomoe_uehara
PostPosted: December 31st, 2009, 7:08 am 
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Ace Coder wrote:
Well I sit right in the middle of America, so I assume the majority of users users are moon-bathing right now...

Oh I see.. As for myself, I use GMT+7. So actually it's upside down.
Ace Coder wrote:
Off-Topic:
But do you use a script to change your font color?
Or do it yourself each post?

Well, I type it manually Image, even when I want to quote someone, I just copy their post, but I type the (quote="Ace Coder") (/quote) myself. Hmm.. It seems the BBcode doesn't work perfectly on my OS.

Well... 10 hours left for the new years eve! Image

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tomoe_uehara
 Post subject:
PostPosted: February 4th, 2010, 7:56 pm 
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I got that error message again just now
Code:
Warning: mysql_connect() [function.mysql-connect]: User ahk_ahk already has more than 'max_user_connections' active connections in /home/ahk/public_html/forum/db/mysql4.php on line 48

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 330

Warning: mysql_errno(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 331
phpBB : Critical Error

Could not connect to the database

It happens when I tried to go to http://www.autohotkey.com/forum

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trik
 Post subject:
PostPosted: February 4th, 2010, 9:13 pm 
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Joined: July 15th, 2007, 1:43 am
Posts: 1320
tomoe_uehara wrote:
I got that error message again just now
Code:
Warning: mysql_connect() [function.mysql-connect]: User ahk_ahk already has more than 'max_user_connections' active connections in /home/ahk/public_html/forum/db/mysql4.php on line 48

Warning: mysql_error(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 330

Warning: mysql_errno(): supplied argument is not a valid MySQL-Link resource in /home/ahk/public_html/forum/db/mysql4.php on line 331
phpBB : Critical Error

Could not connect to the database

It happens when I tried to go to http://www.autohotkey.com/forum


MySQL has a maximum number of connections it will serve at any one time. Also, it seems we did not get a private VPS from the current host. >_>

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Chris
 Post subject:
PostPosted: February 4th, 2010, 9:58 pm 
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Joined: March 2nd, 2004, 3:36 pm
Posts: 10720
I just raised the connection limit from 20 to 30. If anyone notices the error happen again, please let me know (it would also help to know what date and time the error occurred).

I've rarely seen more than 2 connections being used at a time, let alone 20 or 30. The reason for having a limit at all is to provide an additional safety valve (among several others) to keep the server stable during extreme conditions such as a DOS attack.

AutoHotkey is currently hosted on a dedicated server, though there are a few smaller sites on it too. The load average is almost always under 0.15, which roughly corresponds to 15% of capacity.


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