"Back when I had an ISDN connection, I'd see 5-10 attempts a day (and I would sometimes send emails to the abuse@ address for that IP range). Now I see 5-10 a s

"Back when I had an ISDN connection, I'd see 5-10 attempts a day (and I would sometimes send emails to the abuse@ address for that IP range). Now I see 5-10 a second and it's pointless to try and stop them at the source." There is nothing inherently wrong with port scanning and it should not, by default, be considered "abuse".