
		guilherme011
		
		(usa Ubuntu)
		
		Enviado em 10/10/2024 - 13:44h 
		PS C:\Windows\system32> nmap -sT -v 192.168.102.98
Starting Nmap 7.95 ( 
https://nmap.org ) at 2024-10-10 13:40 Hora oficial do Brasil
Initiating ARP Ping Scan at 13:40
Scanning 192.168.102.98 [1 port]
Completed ARP Ping Scan at 13:40, 0.09s elapsed (1 total hosts)
Initiating Parallel DNS resolution of 1 host. at 13:40
Completed Parallel DNS resolution of 1 host. at 13:40, 0.01s elapsed
Initiating Connect Scan at 13:40
Scanning 192.168.102.98 [1000 ports]
Discovered open port 110/tcp on 192.168.102.98
Discovered open port 143/tcp on 192.168.102.98
Discovered open port 445/tcp on 192.168.102.98
Discovered open port 993/tcp on 192.168.102.98
Discovered open port 139/tcp on 192.168.102.98
Discovered open port 25/tcp on 192.168.102.98
Discovered open port 995/tcp on 192.168.102.98
Discovered open port 587/tcp on 192.168.102.98
Discovered open port 22/tcp on 192.168.102.98
Discovered open port 563/tcp on 192.168.102.98
Discovered open port 119/tcp on 192.168.102.98
Discovered open port 465/tcp on 192.168.102.98
Completed Connect Scan at 13:40, 5.22s elapsed (1000 total ports)
Nmap scan report for 192.168.102.98
Host is up (0.0051s latency).
Not shown: 988 filtered tcp ports (no-response)
PORT    STATE SERVICE
22/tcp  open  ssh
25/tcp  open  smtp
110/tcp open  pop3
119/tcp open  nntp
139/tcp open  netbios-ssn
143/tcp open  imap
445/tcp open  microsoft-ds
465/tcp open  smtps
563/tcp open  snews
587/tcp open  submission
993/tcp open  imaps
995/tcp open  pop3s
Boa tarde galera!
Estou procurando estudar um pouco sobre segurança da informação, tenho um servidor NAS com Samba que fica com todas essas portas abertas. Essas portas podem ficar ou tem alguma que seria alguma brecha de segurança?