diff options
Diffstat (limited to 'sysdep/unix/io.c')
| -rw-r--r-- | sysdep/unix/io.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sysdep/unix/io.c b/sysdep/unix/io.c index 50992fb4..58aed4ee 100644 --- a/sysdep/unix/io.c +++ b/sysdep/unix/io.c @@ -703,7 +703,13 @@ sk_setup(sock *s) if ((s->tos >= 0) && setsockopt(fd, SOL_IP, IP_TOS, &s->tos, sizeof(s->tos)) < 0) WARN("IP_TOS"); #endif - + +#ifdef IPV6 + int v = 1; + if ((s->flags & SKF_V6ONLY) && setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &v, sizeof(v)) < 0) + WARN("IPV6_V6ONLY"); +#endif + if (s->ttl >= 0) err = sk_set_ttl_int(s); else |