Есть компьютер с FreeBSD 4.9. Сканирую его nmap'ом в результате он выдаёт
May 27 12:08:44 www /kernel: Limiting closed port RST response from 334 to 200 packets per second
May 27 12:08:45 www /kernel: Limiting closed port RST response from 328 to 200 packets per second
May 27 12:08:46 www /kernel: Limiting closed port RST response from 331 to 200 packets per second
May 27 12:08:47 www /kernel: Limiting closed port RST response from 334 to 200 packets per second
May 27 12:08:48 www /kernel: Limiting closed port RST response from 335 to 200 packets per second
May 27 12:08:49 www /kernel: Limiting closed port RST response from 336 to 200 packets per second
May 27 12:08:50 www /kernel: Limiting closed port RST response from 339 to 200 packets per second
May 27 12:08:51 www /kernel: Limiting closed port RST response from 286 to 200 packets per second
Что сие означает и как с этим бороться?