The parameter flags is built by applying a logical OR on individual flags. The parameter may be given in C syntax, e.g., 0x0042. The flags are
| Flag | Meaning |
|---|---|
| 1 | Packet reading and writing details |
| 2 | MPI details |
| 4 | cipher and prime number details (may reveal sensitive data) |
| 8 | Iobuf filter functions |
| 16 | Iobuf details |
| 32 | Memory allocation details |
| 64 | Caching |
| 128 | Show memory statistics on exit |
| 256 | Trust verification details |