The following ports are used in the SonicWall UTM appliance.
| Description | Protocol | Port number |
| CASS (Anti-Spam) | TCP | 25 |
| CASS (Anti-Spam) | TCP | 10025 |
| Content Filter (CFS) | UDP | 2257 |
| Content Filter (CFS) | UDP | 53 |
| Dashboard | TCP | 80 |
| DHCP Server | UDP | 67/68 |
| DPI Signature Updates (IPS/GAV/ASW) | TCP | 443 |
| Flow Reporting | UDP | 2055 |
| Gateway Anti-virus (GAV) CloudAV Port No. | UDP | 2259 |
| GMS | UDP | 514 |
| HTTP Management | TCP | 80 |
| HTTPS Management | TCP | 443 |
| LDAP | TCP | 389 |
| LDAPS | TCP | 636 |
| License Synchronization | TCP | 443 |
| Log name resolution (DNS) | UDP | 53 |
| Log name resolution (NetBIOS) | TCP | 135/137/139 |
| NTP | UDP | 123 |
| RADIUS | TCP | 1812 |
| Secure Backup | TCP | 59160 |
| Setup Tool | UDP | 26214 |
| Single Sign On | UDP | 2258 |
| SNMP | UDP | 161/162 |
| SSH Management | TCP | 22 |
| SSLVPN / Virtual Assist | TCP | 4433 |
| TSA | UDP | 2259 |
| Viewpoint | UDP | 514 |
| VPN | ESP | (Protocol 50) |
| VPN | UDP | 500 |
| VPN | UDP | 4500 |
| WAN Failover and Load balancing - Probing | TCP | 50000 |
| WAN Failover and Load balancing - Probing | ICMP | Port 8 |
| WXA | TCP | 135/137/139/445 |