force use of IPv4 in libssl (see #751)

2023-05-31 18:15:47 +02:00
parent e2a4695c9b
commit 30cf1a926f
1 changed files with 1 additions and 0 deletions
@@ -234,6 +234,7 @@ SSLSocket* SSLSocket::connect(const string& host, const uint16_t& port, bool htt
      break;
    }
    BIO_set_info_callback(bio, bioInfoCallback);
+    BIO_set_conn_ip_family(bio, 4);  // force IPv4 to circumvent docker IPv6 routing issues
    if (isError("conn_hostname", BIO_set_conn_hostname(bio, hostPort.c_str()), 1)) {
      break;
    }