Ufw
# ufw allow from 1.2.3.4/32 to any port 5000 proto tcp # ufw status numbered Status: active To Action From -- ------ ---- [ 1] 5000/tcp ALLOW IN 187.43.159.17 # ufw delete 1
# ufw allow from 1.2.3.4/32 to any port 5000 proto tcp # ufw status numbered Status: active To Action From -- ------ ---- [ 1] 5000/tcp ALLOW IN 187.43.159.17 # ufw delete 1