lkml.org 
[lkml]   [2003]   [Jul]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: question about linux tcp request queue handling
From
Date
"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The 4.4BSD-Lite code described in Stevens is long outdated.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".

-Andi
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [W:0.757 / U:0.888 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site