EXCHANGE_FLAG_NAT_T_CAP_PEER
if (msg->exchange->flags & EXCHANGE_FLAG_NAT_T_CAP_PEER)
if (msg->exchange->flags & EXCHANGE_FLAG_NAT_T_CAP_PEER)
msg->exchange->flags & EXCHANGE_FLAG_NAT_T_CAP_PEER)
msg->exchange->flags |= EXCHANGE_FLAG_NAT_T_CAP_PEER;
msg->exchange->flags |= EXCHANGE_FLAG_NAT_T_CAP_PEER;