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Secure Sockets Layer (SSL) proxy supports the Transport Layer Security (TLS) protocol version 1.3, which provides improved security and better performance.
TLS version 1.3 supports the following cipher suites:
| Product / Application | Software | Introduced Release |
|---|---|---|
| vSRX | Junos OS | 21.2R1 |
| SRX300 | Junos OS | 21.2R1 |
| SRX320 | Junos OS | 21.2R1 |
| SRX340 | Junos OS | 21.2R1 |
| SRX345 | Junos OS | 21.2R1 |
| SRX380 | Junos OS | 21.2R1 |
| SRX550 HM | Junos OS | 21.2R1 |
| SRX1500 | Junos OS | 21.2R1 |
| SRX1600 | Junos OS | 23.4R1 |
| SRX2300 | Junos OS | 23.4R1 |
| SRX4100 | Junos OS | 21.2R1 |
| SRX4120 | Junos OS | 25.2R1 |
| SRX4200 | Junos OS | 21.2R1 |
| SRX4300 | Junos OS | 24.2R1 |
| SRX4600 | Junos OS | 21.2R1 |
| SRX4700 | Junos OS | 24.4R1-S2 |
| SRX5400 | Junos OS | 21.2R1 |
| SRX5600 | Junos OS | 21.2R1 |
| SRX5800 | Junos OS | 21.2R1 |