Mercurial > dovecot > core-2.2
diff src/lib/network.c @ 7274:da971cec0395 HEAD
[::] listens only for IPv6 addresses now. This gets rid of IPv4-mapped IPv6
addresses. Use "listen = *, [::]" for listening both.
| author | Timo Sirainen <tss@iki.fi> |
|---|---|
| date | Thu, 21 Feb 2008 15:18:31 +0200 |
| parents | 7ed926ed7aa4 |
| children | e0007da64cdc |
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--- a/src/lib/network.c Thu Feb 21 14:46:01 2008 +0200 +++ b/src/lib/network.c Thu Feb 21 15:18:31 2008 +0200 @@ -318,10 +318,11 @@ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)); setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE, &opt, sizeof(opt)); - /* if using IPv6, bind both on the IPv4 and IPv6 addresses */ + /* If using IPv6, bind only to IPv6 if possible. This avoids + ambiguities with IPv4-mapped IPv6 addresses. */ #ifdef IPV6_V6ONLY if (so.sin.sin_family == AF_INET6) { - opt = 0; + opt = 1; setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &opt, sizeof(opt)); } #endif