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 25번 포트쓰는놈이 잇는데 이걸 어떻게 죽여야 하나요?



[root@localhost ~]# systemctl stop  sendmail.service

Failed to stop sendmail.service: Unit sendmail.service not loaded.

[root@localhost ~]# nmap -sT localhost


Starting Nmap 6.40 ( http://nmap.org ) at 2020-01-15 09:45 KST

Nmap scan report for localhost (127.0.0.1)

Host is up (0.00053s latency).

Other addresses for localhost (not scanned): 127.0.0.1

Not shown: 993 closed ports

PORT     STATE SERVICE

25/tcp   open  smtp

80/tcp   open  http

111/tcp  open  rpcbind

631/tcp  open  ipp

1521/tcp open  oracle

2002/tcp open  globe

3306/tcp open  mysql




이지포토
ªÀº±Û Àϼö·Ï ½ÅÁßÇÏ°Ô.
25¹øÀ» ¿­°í ÀÖ´Â ÇÁ·Î¼¼½º È®ÀÎÇغ¸¼¼¿ä.
ÇâÃÌ 2020-01
CentOS Á¾·ùÀÌ¸é ¾Æ¸¶µµ postfix ÀÏ°Ì´Ï´Ù.
     
¸Â±º¿ä. ´äº¯ °¨»ç ÇÕ´Ï´Ù.
[root@localhost ~]# systemctl stop postfix.service
[root@localhost ~]# nmap -sT localhost

Starting Nmap 6.40 ( http://nmap.org ) at 2020-01-15 09:58 KST
Nmap scan report for localhost (127.0.0.1)
Host is up (0.00085s latency).
Other addresses for localhost (not scanned): 127.0.0.1
Not shown: 994 closed ports
PORT    STATE SERVICE
80/tcp  open  http
111/tcp  open  rpcbind
631/tcp  open  ipp
1521/tcp open  oracle
2002/tcp open  globe
3306/tcp open  mysql


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