Messages in this thread | | | Subject | Re: question about linux tcp request queue handling | From | Andi Kleen <> | Date | 07 Jul 2003 23:48:10 +0200 |
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"Paul Albrecht" <palbrecht@qwest.net> writes:
> This statement is inconsistent with the description of this scenario in > Steven's TCP/IP Illustrated. Specifically, continuing the handshake in the > TCP layer, i.e., sending a syn/ack and moving to the syn_recd state, is > incorrect if the limit of the server's socket backlog would be exceeded. > How do you account for this discrepancy between linux and other > berkeley-derived implementations?
The 4.4BSD-Lite code described in Stevens is long outdated. All modern BSDs (and probably most other Unixes too) do it in a similar way to what Nivedita described. The keywords are "syn flood attack" and "DoS".
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