Date: Fri, 14 Sep 2001 15:37:21 +0200 From: Christoph Sold <so@i-clue.de> To: KurtChen <kurt@dv8.com.tw> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: [help]-about /kernel: Limiting open port RST response from 288 to 200 packets per second Message-ID: <3BA20811.7030708@i-clue.de> References: <000b01c13d0e$aad0ed60$b4a449d3@cnctv.com.tw>
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KurtChen wrote: >hello: > > in my machine , i gat a new error message,and i cannot ping or connect >it... > this is my errro log.. >" >Sep 14 14:06:35 test1 /kernel: Limiting open port RST response from 358 to >200 p >ackets per second > > " > what`s problem in it?how to tune it > tks ^^ > Somebody tries to flood your network interface with invalid TCP connection attempts. Your kernel honors only 200 per second to prevent a crash. The error message informs you somebody does something out of the ordinary to your network connection. You should try to find out who sends this much RST packets to you, and have their provider shut them off the net. You may call that a denial of service attack. Just my EUR.02 -Christoph Sold To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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