[CentOS] which firewall to automatically block bandwidth abusers?
John R Pierce
pierce at hogranch.comThu Aug 18 23:49:36 UTC 2011
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On 08/17/11 12:50 PM, Rudi Ahlers wrote: > A normal DDOS prevention firewall doesn't really work since it only > blocks traffic coming in. But I need to limit traffic going out as > well. > > The servers behind the firewall will serve mail, http, ftp, sql and SSH without requests coming in, no web etc traffic can go out. you want to block your own mail server from sending too much mail to a single host? and block an internet mail server from sending "too much" mail to you? thats not going to end well. SQL? what are you doing letting a SQL server be publically accessible? SQL servers should only be accessed by application servers over secure connections. I think as it stands, this is a very poorly thought out idea with much room for gotchas and problems. -- john r pierce N 37, W 122 santa cruz ca mid-left coast
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