| Security Feature | Implementation in 4.3.8 | |----------------|--------------------------| | | SSL/TLS 1.0, 1.1, 1.2 (Note: TLS 1.3 is not supported, as it came later) | | Password storage | MD5, SHA-1, SHA-256 hashes (configurable) | | IP Black/Whitelist | Per-domain IP access rules (supports CIDR notation) | | Brute-force protection | Auto-ban after X failed attempts (time-based) | | FXP support | Can be disabled globally or per-user | | OPTS UTF8 | Full UTF-8 support for international filenames |