metasploit 2 포트 스캐닝 버전 분석 및 취약점 분석 21/tcp - ftp vsftpd 2.3.4 22/tcp - ssh OpenSSH 4.7p1 Debian 8ubuntu1 (protocol 2.0) 23/tcp - telnet Linux telnetd 25/tcp - smtp Postfix smtpd 53/tcp - domain ISC BIND 9.4.2 80/tcp - http Apache httpd 2.2.8 ((Ubuntu) DAV/2) 111/tcp - rpcbind 2 (RPC #100000) 139/tcp - netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP) 445/tcp - netbios-ssn Samba smbd 3.X - 4.X (workgroup: WORKGROUP) 512/tcp - exec netkit-rsh rexecd 513/tcp - login? 514/tcp - tcpwrapped 1099/tcp - java-rmi GNU Classpath grmiregistry 1524/tcp - bindshell Metasploitable root shell 2049/tcp - nfs 2-4 (RPC #100003)