# Latest > For information how to get at a point to reproduce this, please read > - [README](README.md) or > - [Installation / Docker Setup](DockerSetup.md) # `master_pwd.bin` and `master_pwd_v100.bin` There are two files in `/var/lib/docker/overlay2/<nls-container-id>/merged/etc/dls/config`. Both files are *base64* decoded, maybe this could be essential for AES-Encryption/Decryption. When *base64-decoded* both files have a length of **256 bytes**. If these files are renamed (adding `.bak`) NLS stack will not come up. - `master_pwd.bin` ``` RdX1Fng5fYUEq+hSvQcDPdZmKkLfEfVd9k6OU6BG0UpFz1s9fbT5H2fqPBcxFogg yFNvJnLizyGi0nSLEQQL/+wmYcTnFj0TI5svrKMXLLM2gED8ZozvTyKQNpVZssad QkLz7Y3qaSFG90OEXD0MU48SgUkfUF4jnyU2jxph72AuI5djjWV+fjfNM60q/nOb RUrn5hWm4qczga8N6eK6J8hOXNRm+9k2tT4PG+MuqhwdHxfdY9eCnNWVZWfqg3e9 OnRDt/ZZvBg8po4aP21Nobqr0UDkIrwbBa+b/gC6BTF/1/MwoLPmFFNlnnB8yJXs Gn0aj+WXNuH+Syt+BiNUcQ== ``` - `master_pwd_v100.bin` ``` mht1iKDDsWrp/AVs2h5wpO14FKbIwAQW4yVKEYaDaPIgWQmapRqsm2gqIYgZ8nqb emRg51JtCdPRzKXFFKswae2wzLj1ldc4ksrVGRFyyh6Kn4bmtZs30tgwIRnuh2PT XbhVZTQVD2SbiWTBl7SjgVpuUnUdhJWVGnF/0ksMaB3GVlgnVULJnomaUlvgdeL0 NE4PacjTQsfXoRdbjAeE390PcK+Ax8OQATXA9AezXV3EnjRAapOBCRqCb3S+lOVJ oL0050bYWC85Ijb+SDR3fl1UxQf2XgaKKx2E0/gUy0EtCLtpwT4L0iS2hzKENxgd B0kFriXRTxdejBmBPl36jQ== ```