For the actual file sharing:
- 445/TCP
Optional for NetBios/Name resolution:
- 137-138/UDP
- 139/TCP
(Source)
| Client Port(s) | Server Port | Service |
|---|---|---|
| 1024-65535/TCP | 135/TCP | RPC Endpoint Mapper |
| 1024-65535/TCP | 1024-65535/TCP | RPC for LSA, SAM, NetLogon (*) |
| 1024-65535/TCP/UDP | 389/TCP/UDP | LDAP |
| 1024-65535/TCP | 636/TCP | LDAP SSL |
| 1024-65535/TCP | 3268/TCP | LDAP GC |
| 1024-65535/TCP | 3269/TCP | LDAP GC SSL |
| 53,1024-65535/TCP/UDP | 53/TCP/UDP | DNS |
| 1024-65535/TCP/UDP | 88/TCP/UDP | Kerberos |
| 1024-65535/TCP | 445/TCP | SMB |
| 1024-65535/TCP | 1024-65535/TCP | FRS RPC (*) |
(Source)