Patch-ID# 103448-10 Keywords: security telnet retransmit tcp_connect PSH URG KEEPALIVE SYN Synopsis: SunOS 5.5_x86: tcp patch Date: Oct/13/97 Solaris Release: 2.5_x86 SunOS Release: 5.5_x86 Unbundled Product: Unbundled Release: Xref: This patch available for SPARC as patch 103447 Topic: SunOS 5.5_x86: tcp patch 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: i386 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 /kernel/drv/tcp Problem Description: 1182957 SYNs can be sinful (from 103448-09) 4034355 Solaris ignores KEEPALIVE probes without data 4034353 TCP/IP sometimes forgets PSH after sending URG. (from 103448-08) 4017242 PDB-Systemcrash with BAD TRAP under 101945-41 4022642 TLI application causes Data Fault system panics (from 103448-07) 4011648 Fix for bug 1248840 introduces performance degradation in rsh (from 103448-06) 1259524 deadbeef panic in tcp_xmit_mp() (from 103448-05) 1261245 window probes can cause ack wars (from 103448-04) 1248840 solaris 2.3,sc2000, TCP socket can't handle FIN pkt from client surely, deadlock (from 103448-03) 1248840 TCP socket can't handle FIN pkt from client surely, deadlock 1233827 tcp retransmits too much for short connections as seen at web sites (from 103448-02) 1249829 connection times out if remote only sends zero-windows (from 103448-01) 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 (103170-06 or higher) is also required.