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Diffstat (limited to 'src/resolve/resolved-dns-scope.c')
| -rw-r--r-- | src/resolve/resolved-dns-scope.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/resolve/resolved-dns-scope.c b/src/resolve/resolved-dns-scope.c index 57af95c41f..0c96332c75 100644 --- a/src/resolve/resolved-dns-scope.c +++ b/src/resolve/resolved-dns-scope.c @@ -411,6 +411,13 @@ static int dns_scope_socket( } } + if (type == SOCK_DGRAM) { + /* Set IP_RECVERR or IPV6_RECVERR to get ICMP error feedback. See discussion in #10345. */ + r = setsockopt(fd, SOL_IP, sa.sa.sa_family == AF_INET ? IP_RECVERR : IPV6_RECVERR, &const_int_one, sizeof(const_int_one)); + if (r < 0) + return -errno; + } + if (ret_socket_address) *ret_socket_address = sa; else { |