| |||
| firewall; Internet firewall | |||
| firewall (special computer that is set up on a network to prevent intruders from stealing or destroying confidential files) | |||
| gatekeeper | |||
| crossing-keeper; gate-keeper | |||
|
garde-barriere : 3 phrases in 2 subjects |
| Communications | 1 |
| Transport | 2 |