Judith 4:7

7 Charging them to keep the passages of the hill country: for by them there was an entrance into Judea, and it was easy to stop them that would come up, because the passage was straight, for two men at the most.

Judith 4:7 In-Context

5 And possessed themselves beforehand of all the tops of the high mountains, and fortified the villages that were in them, and laid up victuals for the provision of war: for their fields were of late reaped.
6 Also Joacim the high priest, which was in those days in Jerusalem, wrote to them that dwelt in Bethulia, and Betomestham, which is over against Esdraelon toward the open country, near to Dothaim,
7 Charging them to keep the passages of the hill country: for by them there was an entrance into Judea, and it was easy to stop them that would come up, because the passage was straight, for two men at the most.
8 And the children of Israel did as Joacim the high priest had commanded them, with the ancients of all the people of Israel, which dwelt at Jerusalem.
9 Then every man of Israel cried to God with great fervency, and with great vehemency did they humble their souls:

The Brenton translation of the Septuagint is in the public domain.