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netinet: Enable RFC 1948 pseudorandom TCP ISS selection by default.

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(from riastradh)
This commit is contained in:
christos 2021-03-07 14:58:54 +00:00
parent 5d948faaec
commit e4aa255bad
1 changed files with 3 additions and 3 deletions
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6
sys/netinet/tcp_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: tcp_subr.c,v 1.284 2020/06/12 11:04:45 roy Exp $ */
/* $NetBSD: tcp_subr.c,v 1.285 2021/03/07 14:58:54 christos Exp $ */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@ -91,7 +91,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_subr.c,v 1.284 2020/06/12 11:04:45 roy Exp $");
__KERNEL_RCSID(0, "$NetBSD: tcp_subr.c,v 1.285 2021/03/07 14:58:54 christos Exp $");
#ifdef _KERNEL_OPT
#include "opt_inet.h"
@ -163,7 +163,7 @@ int tcp_mssdflt = TCP_MSS;
int tcp_minmss = TCP_MINMSS;
int tcp_rttdflt = TCPTV_SRTTDFLT / PR_SLOWHZ;
int tcp_do_rfc1323 = 1; /* window scaling / timestamps (obsolete) */
int tcp_do_rfc1948 = 0; /* ISS by cryptographic hash */
int tcp_do_rfc1948 = 1; /* ISS by cryptographic hash */
int tcp_do_sack = 1; /* selective acknowledgement */
int tcp_do_win_scale = 1; /* RFC1323 window scaling */
int tcp_do_timestamps = 1; /* RFC1323 timestamps */