
inet(7P) Protocols SunOS 5.5
Although this implementation restricts sockets to unique local port numbers,TCP allows
multiple simultaneous connections involving the same local port number so long as the
remote IP addresses or port numbers are different for each connection. Programs may
explicitly override the socket restriction by setting the SO_REUSEADDR socket option
with setsockopt (see getsockopt(3N)).
TLI applies somewhat different semantics to the bindingof local port numbers. These
semantics apply when Internet family protocols are used using the TLI.
SEE ALSO ioctl(2), bind(3N), byteorder(3N), connect(3N), gethostbyname(3N), getnetbyname(3N),
getprotobyname(3N), getservbyname(3N), getsockopt(3N), send(3N), socket(3N),
arp(7P), icmp(7P), ip(7P), tcp(7P), udp(7P)
Network Information Center, DDN Protocol Handbook (3 vols.), Network Information
Center, SRI International,Menlo Park, Calif., 1985.
NOTES The Internet protocol support is subject to change as the Internet protocols develop.
Users should not depend on details of the current implementation, but rather the services
exported.
7P-144 modified 3 Jul 1990
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