封網

封网
fēngwǎng
  1. to intercept at the net (volleyball, tennis etc)
  2. (computing) to seal off a network

CEDICT

computing

Entry Composition

1 封 fēng
  1. to confer
  2. to grant
  3. to bestow a title
  4. to seal
  5. classifier for sealed objects, esp. letters
2 網 wǎng
  1. net
  2. network