Technical Note: Supported VoIP protocol application layer gateways
Article
| Description | What VoIP control features are available? |
| Components |
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| Steps or Commands | The FortiGate series supports 2 majors VoIP protocol application layer gateways (ALGs):
Each ALG allows the FortiGate to provide NAT firewall protection of VoIP devices, monitoring and blocking of unwanted VoIP traffic, and IPS protection of VoIP protocol anomalies, denial of service attacks, buffer overflows, and header manipulation attacks. Others protocols (H.323 and MGCP) are supported using session-helper. |