root@xiuhua:~# ftp IP
Connected to *.*.*.*. 500 OOPS: could not bind listening IPv4 socket ftp> exit root@xiuhua:~# netstat -anp | grep 21tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 1112/xinetd tcp 0 0 10.239.50.15:21 10.239.50.15:55209 TIME_WAIT - unix 2 [ ACC ] STREAM LISTENING 9421 1172/avahi-daemon: /var/run/avahi-daemon/socket unix 3 [ ] STREAM CONNECTED 9521 1352/upowerd unix 3 [ ] STREAM CONNECTED 6921 1325/dbus-daemon @/tmp/dbus-WMSDo9JReq unix 3 [ ] STREAM CONNECTED 9452 1221/accounts-daemo unix 3 [ ] STREAM CONNECTED 7911 1221/accounts-daemo 貌似xinetd 占用了21 进程root@xiuhua:~# service xinetd stop
root@xiuhua:~# service vsftpd start
vsftpd start/running, process 2046 root@xiuhua:~# netstat -anp | grep 21 tcp 0 0 0.0.0.0:21 0.0.0.0:* LISTEN 2046/vsftpd unix 2 [ ACC ] STREAM LISTENING 9421 1172/avahi-daemon: /var/run/avahi-daemon/socket unix 3 [ ] STREAM CONNECTED 9521 1352/upowerd unix 3 [ ] STREAM CONNECTED 6921 1325/dbus-daemon @/tmp/dbus-WMSDo9JReq unix 3 [ ] STREAM CONNECTED 9452 1221/accounts-daemo unix 3 [ ] STREAM CONNECTED 7911 1221/accounts-daemo root@xiuhua:/home/ftp# ftp 10.239.50.15 Connected to 10.239.50.15. 220 (vsFTPd 2.3.2) Name (10.239.50.15:root): xiuhua 331 Please specify the password. Password: 230 Login successful. Remote system type is UNIX. Using binary mode to transfer files. ftp>