The Seagulls will visit the Riverside in the week commencing 22nd September. The match will see the return of Boro's former keeper Ben Roberts, who joined them this summer.
The full draw is as follows:
Portsmouth v Northampton
Blackpool v Birmingham
Leicester v Crewe
Wigan v Fulham
Sunderland v Huddersfield
Notts County v Ipswich
Wolverhampton v Darlington
Crystal Palace v Doncaster
Hartlepool v West Brom
Bolton v Walsall
Bristol City v Watford
Tranmere v Nottm Forest
Oxford Utd v Reading
Leeds v Swindon
Stoke or Rochdale v Gillingham
Cardiff v West Ham
Everton v Stockport
Charlton v Luton
Rotherham v Colchester
Scunthorpe v Burnley
Sheff Utd v QPR
Wycombe v Aston Villa
Coventry v Tottenham
Boro v Brighton
The eight Premiership clubs involved in Europe enter at the 3rd round stage.