file_set_mode(g.zSockName, listener, "0660", 1);
      }
    }else{
      /* Initialize a TCP/IP socket on port iPort */
      memset(&inaddr, 0, sizeof(inaddr));
      inaddr.sin6_family = AF_INET6;
      if( zIpAddr ){
        /* Bind to the specific IP address given by zIpAddr[] */
        size_t nAddr = strlen(zIpAddr);
        char z4to6[30];
        
        if( nAddr<16 ){
          /* The specified IP address might be in IPv4 notation (ex: 1.2.3.4)
          ** which inet_pton() does not understand.  Convert in into a IPv6
          ** mapping of an IPv4 address: (::FFFF:1.2.3.4) */
          memcpy(z4to6,"::ffff:", 7);
          memcpy(z4to6+7, zIpAddr, nAddr+2);
        }else{
          z4to6[0] = 0;
        }

        /* Convert the zIpAddr text string into an actual IPv6 address */
        if( inet_pton(AF_INET6, zIpAddr, &inaddr.sin6_addr)==0 ){
          fossil_fatal("not a valid IP address: %s", zIpAddr);
        if( inet_pton(AF_INET6, zIpAddr, &inaddr.sin6_addr)==0
         && (z4to6[0]==0 || inet_pton(AF_INET6, z4to6, &inaddr.sin6_addr)==0)
        ){
          fossil_fatal("not a valid IP address: %s", z4to6);
        }
      }else if( flags & HTTP_SERVER_LOCALHOST ){
        /* Bind to the loop-back IP address */
        inaddr.sin6_addr = in6addr_loopback;
      }else{
        /* Bind to any and all available IP addresses */
        inaddr.sin6_addr = in6addr_any;
      }
      inaddr.sin6_port = htons(iPort);
      listener = socket(AF_INET6, SOCK_STREAM, 0);
      if( listener<0 ){
        iPort++;
        continue;