Nmap busted by IDS/IPS

[Monkeyshell]

Hello Everyone , I ' have noticed that nmap is easily monitor by network security team . So how can nmap not be detected or lower the packet (-f detected) or alternate of nmap or  Different technique for port scanning to minimise the the risk of detection. Scanning entire subnet without been too nosey 

[0phoi5]

https://nmap.org/book/man-bypass-firewalls-ids.html

[digip]

STOP posting the same question over and over - https://forums.hak5.org/index.php?/profile/56156-monkeyshell/