Lloris has kept three clean sheets in four matches.
"We have known each other since we were 17, so that's 10 years now," said Kaboul.
"From day one, I knew he was a fantastic goalkeeper - a world-class goalkeeper - and I'm very happy to play alongside him at Spurs."
He added: "Lloris is the captain of the national team and I'm very proud of him. I hope he will lead them a long way."
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