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authorFlorin Coras <fcoras@cisco.com>2019-06-07 12:38:55 -0700
committerDave Barach <openvpp@barachs.net>2019-06-08 16:41:42 +0000
commitd567a8d51bab6dbd45b70ec99e9b7a1b9ae58e71 (patch)
tree8e137713eaa53ad502f47e22b2d84f9f0ded9084 /src/vlib
parent548f75744915c8e1c5e59fb866af0d912d1173a1 (diff)
tcp: send challenge ack for in wnd syn
Type: fix Per rfc793, in window syns for established connections should lead to connection resets. As a mitigation for blind reset attacks, rfc5961 requests that such syns be replied to with challange acks. Change-Id: I75e4972bbb515e48d9cf1bda32ea5d9891d670f0 Signed-off-by: Florin Coras <fcoras@cisco.com>
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