Patch-ID# 101438-01 Keywords: binding to same port Synopsis: SunOS 4.1.3_U1: applications bind to same port if IP address supplied Date: Dec/20/93 Solaris Release: 1.1.1 SunOS release: 4.1.3_U1 Topic: binding to same port BugId's fixed with this patch: 1052740 Changes incorporated in this version: Architectures for which this patch is available: sun4 sun4c sun4m Problem description: When binding to address of the system picks the next available port between 1024-5000 then wraps around. However the address pair is treated as different from so the bind will give you the same port as another application. Fix description: The fix includes patched version of: in_pcb.o Install instructions: As root install the appropriate sun4, sun4c, sun4m, sun3 or sun3x patches as follows: mv /sys/`arch -k`/OBJ/in_pcb.o /sys/`arch -k`/OBJ/in_pcb.o.FCS cp `arch -k`/in_pcb.o /sys/`arch -k`/OBJ/in_pcb.o chmod 444 /sys/`arch -k`/OBJ/in_pcb.o Then a new kernel will need to be made