Patch-ID# 100412-02 Keywords: binding to same port Synopsis: SunOS 4.1;4.1.1;4.1.2;4.1.3: applications bind to same port if IP address supplied Date: Jan/06/93 Solaris release: 1.0 1.0.1 1.1 1.1C SunOS release: 4.1 4.1.1 4.1.2 4.1.3 4.1.3C Topic: binding to same port BugId's fixed with this patch: 1052740 Changes incorporated in this version: NOTE: -02 Version: This -02 version patch refits the bug fix to sun4m and to SunOS 4.1.2 4.1.3. Relevant Architecture: sparc NOTE: sun4 sun4c sun4m sun3 sun3x 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`/{OS Version}/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