Israeli media reported that at least ten people were injured, some seriously.
The crossing is one of the few routes to get humanitarian aid into Gaza.
The attack came as mediators in Egypt held talks to broker a ceasefire, and to release Israeli hostages.
Israel has said it will not accept Hamas’s demands to end the Gaza war.
The Israeli Defense Forces (IDF) said ten projectiles were fired from an area near the Rafah crossing in southern Gaza.
