Patch-ID# 104042-05
Keywords: security telnet retransmit tcp_connect PSH URG KEEPALIVE SYN
Synopsis: SunOS 5.5 CS6400: tcp patch
Date: Nov/26/97

Solaris Release: 2.5_CS6400

SunOS Release: 5.5_CS6400

Unbundled Product:

Unbundled Release:

Topic: SunOS 5.5 CS6400: tcp fixes

   NOTE:	This patch is the CS6400 platform specific version of 103447-10.

BugId's fixed with this patch: 1182957 1206850 1233827 1248840 1249829 1259524 1261245 4011648 4017242 4022642 4034353 4034355

Changes incorporated in this version: 1182957

Relevant Architectures: sparc
NOTE:sparc.cray4d

Patches accumulated and obsoleted by this patch:

Patches which conflict with this patch:

Patches required with this patch:

Obsoleted by:

Files included with this patch:

/usr/bin/netstat
/platform/cray4d/kernel/drv/tcp

Problem Description:

(from 103447-10)

1182957 SYNs can be sinful

(from 103447-09)

4034355 Solaris ignores KEEPALIVE probes without data
4034353 TCP/IP sometimes forgets PSH after sending URG.

(from 103447-08)

4022642 TLI application causes Data Fault system panics
4017242 PDB-Systemcrash with BAD TRAP under 101945-41

(from 103447-07)

4011648 Fix for bug 1248840 introduces performance degradation in rsh

(from 103447-06)

1259524 deadbeef panic in tcp_xmit_mp()

(from 103447-05)

1261245 window probes can cause ack wars

(from 103447-04)

1248840 solaris 2.3,sc2000, TCP socket can't handle FIN pkt from client surely, deadloc

(from 103447-03)

1248840 TCP socket can't handle FIN pkt from client surely, deadloc
1233827 tcp retransmits too much for short connections as seen at web sites

(from 103447-02)

1249829 connection times out if remote only sends zero-windows

(from 103447-01)

1206850 Solaris 2.4, telnet/ftp error in single user mode.

Patch Installation Instructions:
--------------------------------
Refer to the Install.info file within the patch for instructions on
using the generic 'installpatch' and 'backoutpatch' scripts provided
with each patch. Any other special or non-generic installation
instructions should be described below.

Special Install Instructions:
-----------------------------

If the reason to install this patch is to fix bugid 1233827
(tcp retransmits too much for short connections as seen at
web sites), the 2.5 ip patch (104034-01 or higher) is also
required.