a husband must protect and prevent his wife and children from any possible harm or immorality to the best of his abilities. allah, the exalted, says:
(o you who believe! save yourselves and your families from a fire whose fuel is men and stones, over which are (appointed) angels stern (and) severe, who disobey not the commands they receive from allah, and do what they are commanded.)
[66:6]

all that protects from unlawful and shameful deeds is commendable, but extremism is not. he (peace be upon him) also said:
“there is a kind of jealousy that allah loves and a kind which he hates: the kind that he loves is in the doubtful acts, and the kind he hates is in the acts without any doubt.”
[abu dawood #2659 & nasa`e #2558]
certain types of jealousy are acceptable and commendable, and others are not, as the prophet of allah (peace be upon him) explained above, and in a verified tradition he said:
“verily allah gets jealous and the believer gets jealous and the jealousy of allah is to see a believer doing unlawful acts.”
[bukhari #4925, & muslim #2761]