diff options
| author | wollman <wollman@FreeBSD.org> | 1995-10-03 16:54:17 +0000 |
|---|---|---|
| committer | wollman <wollman@FreeBSD.org> | 1995-10-03 16:54:17 +0000 |
| commit | 3fc43db861e597f1130b985d780f0197ed473b13 (patch) | |
| tree | 7ad9eaf1935c4be274c953c161f45e2d25f3433c /sys/netinet/tcp_timewait.c | |
| parent | 6620dab5e12bef027febd61c323aedb2f252e1e6 (diff) | |
| download | FreeBSD-src-3fc43db861e597f1130b985d780f0197ed473b13.zip FreeBSD-src-3fc43db861e597f1130b985d780f0197ed473b13.tar.gz | |
Finish 4.4-Lite-2 merge: randomize TCP initial sequence numbers
to make ISS-guessing spoofing attacks harder.
Diffstat (limited to 'sys/netinet/tcp_timewait.c')
| -rw-r--r-- | sys/netinet/tcp_timewait.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c index a614854..d166bba 100644 --- a/sys/netinet/tcp_timewait.c +++ b/sys/netinet/tcp_timewait.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 1982, 1986, 1988, 1990, 1993 + * Copyright (c) 1982, 1986, 1988, 1990, 1993, 1995 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -30,8 +30,8 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * @(#)tcp_subr.c 8.1 (Berkeley) 6/10/93 - * $Id: tcp_subr.c,v 1.15 1995/09/20 21:00:59 wollman Exp $ + * @(#)tcp_subr.c 8.2 (Berkeley) 5/24/95 + * $Id: tcp_subr.c,v 1.16 1995/09/22 17:43:37 wollman Exp $ */ #include <sys/param.h> @@ -87,7 +87,7 @@ void tcp_init() { - tcp_iss = 1; /* wrong */ + tcp_iss = random(); /* wrong, but better than a constant */ tcp_ccgen = 1; tcp_cleartaocache(); LIST_INIT(&tcb); |
