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Date: Thu, 5 Jul 2007 10:43:37 +0200 From: Croulder <croulder@...il.com> To: linux-kernel@...r.kernel.org Subject: Denial of Service in all kernels 2.6.x Linux has the same problem that other OS: "Multiple Vendor TCP Timestamp PAWS Remote Denial Of Service Vulnerability" published in 2005 by Noritoshi Demizu If i send a SYN packet with high timestamp legitime user can not establish a connection with the victim server. Kernel Tested : 2.6.21.5 , 2.6.11.12 http://www.securityfocus.com/bid/13676/info Temporal solution: echo "0" > /proc/sys/net/ipv4/tcp_timestamp Final solution: ??? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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