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The Domain Name System (DNS) Application Layer Gateway (ALG) service handles data associated with locating and translating domain names into IP addresses. The ALG typically runs on port 53. The ALG monitors DNS queries and reply packets and supports only UDP traffic.
| Product / Application | Software | Introduced Release |
|---|---|---|
| NFX150 | Junos OS | 25.4R1 |
| NFX350 | Junos OS | 25.4R1 |
| vSRX | Junos OS | 25.4R1 |
| vSRX | Junos OS | 12.1X47-D10 |
| cSRX | Junos OS | 25.4R1 |
| cSRX | cSRX | 20.2R1 |
| SRX300 | Junos OS | 15.1X49-D35 |
| SRX320 | Junos OS | 15.1X49-D35 |
| SRX340 | Junos OS | 15.1X49-D35 |
| SRX345 | Junos OS | 15.1X49-D35 |
| SRX380 | Junos OS | 20.1R1 |
| SRX550 | Junos OS | 12.1R1 |
| SRX550 HM | Junos OS | 15.1X49-D30 |
| SRX1500 | Junos OS | 25.4R1 |
| SRX1500 | Junos OS | 15.1X49-D30 |
| SRX1600 | Junos OS | 25.4R1 |
| SRX1600 | Junos OS | 23.4R1 |
| SRX2300 | Junos OS | 25.4R1 |
| SRX2300 | Junos OS | 23.4R1 |
| SRX4100 | Junos OS | 25.4R1 |
| SRX4100 | Junos OS | 15.1X49-D65 |
| SRX4120 | Junos OS | 25.4R1 |
| SRX4120 | Junos OS | 25.2R1 |
| SRX4200 | Junos OS | 25.4R1 |
| SRX4200 | Junos OS | 15.1X49-D65 |
| SRX4300 | Junos OS | 25.4R1 |
| SRX4300 | Junos OS | 24.2R1 |
| SRX4600 | Junos OS | 25.4R1 |
| SRX4600 | Junos OS | 17.4R2 |
| SRX4700 | Junos OS | 25.4R1 |
| SRX4700 | Junos OS | 24.4R1-S2 |
| SRX5400 | Junos OS | 25.4R1 |
| SRX5400 | Junos OS | 12.1X46-D10 |
| SRX5600 | Junos OS | 25.4R1 |
| SRX5600 | Junos OS | 10.1R1 |
| SRX5800 | Junos OS | 25.4R1 |
| SRX5800 | Junos OS | 10.1R1 |