Patch Name:  PHNE_3656

Patch Description: s700 8.07 Fixes handling of icmp unreachable message

        icmp unreachable message will (erroneously) cause an error to
        be received on ALL connections destined to a particular remote
        host, rather than the single connection which caused the
        destination unreachable to be generated. This may be seen
        by an application receiving an unexpected error 229, 242,
        or 239 on a socket(s). It may also be experienced as an
        unexpected abort of a telnet or ftp session.

        Fix SR#5000-673046. The problem was in the dynamic port
        assignment which was erroneously assigning a port which
        was in use by a listen socket. This problem occurs
        if all the TCP port numbers have been assigned once,
        so it occurs more often on systems that run for
        long periods without being rebooted or that have
        a lot of network traffic.

        This problem may have the following symptoms:
        hung or lost TCP connections. Trace will show
        a SYN packet sent on an active connection.
        The bad IP addr/TCP port descriptor will appear in two
        connections in a netstat -a output (unless
        the remote sent a RST). In some cases, the
        bad IP addr/TCP port descriptor will appear
        as the source and destination of a single connection.

        1. the value of 0x01000000 in IP option can panic
           system (ping with -o from ftp software) (INDaa12111).
        2. icmp_error() called with ip_len including the
           size of header(INDaa12078)
        3. the bad value in the lenght field of IP option
           can panic system(INDaa12077).

Path Name:  /hp-ux_patches/s700/8.X/PHNE_3656

Effective Date:  94/01/28

OS Release:  8.07

Reboot Required:  Yes

Patch Files:  

   in_pcb.o
   ip_icmp.o
   ip_input.o
   tcp_subr.o
   tcp_usrreq.o
   udp_usrreq.o

SR#:  5000-685909 5000-673046

"what" string/timestamp:  
         in_pcb.c $Revision: 1.4.187.6 $
         ip_icmp.c $Revision: 1.3.187.4 $
         PATCH_8.07 ip_input.c $Revision: 1.2.187.5 $
         PHNE_1942 tcp_subr.c $Revision: 1.2.187.2 $
         tcp_usrreq.c $Revision: 1.3.187.5 $
         PHNE_1942 udp_usrreq.c $Revision: 1.2.187.3 $

"sum" output:  
32858 15 in_pcb.o
30943 14 ip_icmp.o
33485 24 ip_input.o
59592 14 tcp_subr.o
50025 17 tcp_usrreq.o
12509 14 udp_usrreq.o

Dependencies:  None

Supersedes:  PHNE_0550 PHNE_1009 PHNE_1284 PHNE_1942 PHNE_3105

Patch Package Size:  113 Kbytes

Installation Instructions:  

    Please review all instructions and the Hewlett-Packard
    SupportLine User Guide or your Hewlett-Packard support terms
    and conditions for precautions, scope of license,
    restrictions, and, limitation of liability and warranties,
    before installing this patch.


After getting the patch onto your machine, unshar the patch
(sh PHNE_3656)

To install this patch do the following:
1) Run /etc/update (Note: you must be root to update a system).
2) Once in the update "Main Menu" move the highlighted line to "Change
   Source or Destination ->" and press "Return" or "Select Item".
3) Make sure the highlighted item in the "Change Source or Destination"
   window is "From Tape Device to Local System ...", then press "Return"
   or "Select Item".
4) You should now be in the "From Tape Device to Local System" window.
   Change the "Source:  /dev/rmt/0m" to "Source: PHNE_3656.updt" assuming
   you are in the directory where PHNE_3656.updt has been placed.  In some
   versions, you may need to enter the absolute path name.  In others, the
   default "/dev/rmt/0m" may not appear in the field as default.
5) Press "Done".
6) Move to the "Select All Filesets on Source Media" line and press "Return".

The customized script that update runs will move the original software
to /system/PHNE_3656/orig.  HP recommends keeping this software there in
order to recover from any potential problems.  It is also recommended
that you move the PHNE_3656.text file to /system/PHNE_3656 to be
retained for future reference.

If you wish to put this patch on a magnetic tape and update from the
tape drive, dd a copy of the patch to the tape drive.  As an example
the following will create a copy of the patch that update can read:

    dd if=PHNE_3656.updt of=/dev/rmt/0m bs=2048