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conn: do not SO_REUSEADDR on linux

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SO_REUSEADDR does not make sense for unicast UDP sockets.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2020-12-18 16:41:49 +01:00
parent ad73ee78e9
commit 890cc06ed5
1 changed files with 0 additions and 19 deletions
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19
conn/conn_linux.go
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@ -326,15 +326,6 @@ func create4(port uint16) (int, uint16, error) {
// set sockopts and bind // set sockopts and bind
if err := func() error { if err := func() error {
if err := unix.SetsockoptInt(
fd,
unix.SOL_SOCKET,
unix.SO_REUSEADDR,
1,
); err != nil {
return err
}
if err := unix.SetsockoptInt( if err := unix.SetsockoptInt(
fd, fd,
unix.IPPROTO_IP, unix.IPPROTO_IP,
@ -379,16 +370,6 @@ func create6(port uint16) (int, uint16, error) {
} }
if err := func() error { if err := func() error {
if err := unix.SetsockoptInt(
fd,
unix.SOL_SOCKET,
unix.SO_REUSEADDR,
1,
); err != nil {
return err
}
if err := unix.SetsockoptInt( if err := unix.SetsockoptInt(
fd, fd,
unix.IPPROTO_IPV6, unix.IPPROTO_IPV6,