[ РЕШЕНО]Не работает nmap -Pn

C компьютера локальной сети на arch
nmap -Pn 10.44.1.1/24
Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-15 08:47 EEST
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
RTTVAR has grown to over 2.3 seconds, decreasing to 2.0
А с сервера (на FreeBSD) работает
is running FreeBSD at the time) to quickly find files based on name only.
$ nmap -Pn 10.44.1.1/24
Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-15 08:58 EEST
Nmap scan report for 10.44.1.0
Host is up (0.0000070s latency).
All 1000 scanned ports on 10.44.1.0 are filtered

Nmap scan report for 10.44.1.1
Host is up (0.00010s latency).
Not shown: 999 closed ports
PORT   STATE SERVICE
53/tcp open  domain

Nmap scan report for 10.44.1.2
Host is up (0.0000060s latency).
All 1000 scanned ports on 10.44.1.2 are filtered

Nmap scan report for 10.44.1.3
Host is up (0.0000060s latency).
All 1000 scanned ports on 10.44.1.3 are filtered

Nmap scan report for 10.44.1.4
Host is up (0.0000070s latency).
All 1000 scanned ports on 10.44.1.4 are filtered

Nmap scan report for 10.44.1.5
Host is up (0.0000070s latency).
All 1000 scanned ports on 10.44.1.5 are filtered

Nmap scan report for 10.44.1.6
Host is up.
All 1000 scanned ports on 10.44.1.6 are filtered

А без параметров nmap на arch работает
[[email protected] ~]$ nmap  10.44.1.1/24
Starting Nmap 7.80 ( https://nmap.org ) at 2020-04-15 09:05 EEST
Nmap scan report for 10.44.1.1
Host is up (0.00081s latency).
Not shown: 999 closed ports
PORT   STATE SERVICE
53/tcp open  domain

Nmap scan report for 10.44.1.8
Host is up (0.0011s latency).
Not shown: 988 closed ports
PORT     STATE SERVICE
80/tcp   open  http
135/tcp  open  msrpc
139/tcp  open  netbios-ssn
443/tcp  open  https
445/tcp  open  microsoft-ds
3306/tcp open  mysql
3389/tcp open  ms-wbt-server
5357/tcp open  wsdapi
8009/tcp open  ajp13
8010/tcp open  xmpp
8080/tcp open  http-proxy
8081/tcp open  blackice-icecap

Nmap scan report for 10.44.1.239
Host is up (0.0031s latency).
Not shown: 999 closed ports
PORT   STATE SERVICE
80/tcp open  http

Nmap done: 256 IP addresses (3 hosts up) scanned in 8.92 seconds
Решено. Надо запускать nmap -Pn из под рута тогда работает
 
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