The Glasgow giants - who had a small pocket of supporters in the stadium after the club refused its official allocation - are also the subject of disciplinary action with Europe's governing body charging them with improper conduct after they picked up more than five bookings.
Officers with riot gear and dogs lined up in front of the section from where the missiles had earlier been thrown.
After one such incident, Griffiths was booked, having complained to the referee Alejandro Hernandez about a bottle being thrown in his direction as he prepared to take a corner.
Celtic's Leigh Griffiths has been charged by Uefa for "provoking spectators" after his side's Champions League qualifier against Linfield last week.
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The Hoops will now be keen to put on a show for their supporters as they attempt to seal their spot in the third round where they could face either Rosenborg or Irish champions Dundalk.
Griffiths could be seen being hit by coins, as well as having a bottle thrown at him, as he tried to take a corner in the second half of the game.
And a UEFA spokesman insisted the booking would not be overturned.
UEFA's announcement came after police urged fans to focus exclusively on football ahead of tomorrow's return.
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He added: "Anyone who is intent in causing disorder or hate crime can expect to be arrested by police".
Linfield have urged their 1,500 travelling supporters to "do nothing to harm or damage the name of the club you are supporting".
The second qualifying, first-leg tie won by Celtic 2-0 was held unusually on a Friday to avoid clashing with the tinderbox date in Northern Ireland of July 12 two days before.
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