SLES 11 SP4
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Vsftpd Over SSL/TLS
2015/12/03
 
Enable SSL/TLS for Vsftpd to use secure FTP connections.
[1] Create Certificates.
www:~ #
cd /etc/ssl/private

www:/etc/ssl/private #
openssl req -x509 -nodes -newkey rsa:2048 -keyout vsftpd.pem -out vsftpd.pem -days 365

Generating a 2048 bit RSA private key
......++++++
.......++++++
writing new private key to '/etc/pki/tls/certs/vsftpd.pem'
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:
JP
   
# country

State or Province Name (full name) [Some-State]:
Hiroshima
   
# state

Locality Name (eg, city) []:
Hiroshima
   
# city

Organization Name (eg, company) [Internet Widgits Pty Ltd]:
GTS
   
# company

Organizational Unit Name (eg, section) []:
Server World
   
# department

Common Name (eg, YOUR name) []:
www.srv.world
   
# server's FQDN

Email Address []:
xxx@srv.world
   
# admin email
www:/etc/ssl/private #
chmod 400 vsftpd.pem

[2] Configure Vsftpd.
www:~ #
vi /etc/vsftpd.conf
# line 217: change

ssl_enable=
YES
# add follows to the end

rsa_cert_file=/etc/ssl/private/vsftpd.pem
rsa_private_key_file=/etc/ssl/private/vsftpd.pem
ssl_ciphers=HIGH
force_local_data_ssl=YES
www:~ #
/etc/init.d/vsftpd restart

FTP Client : Windows
[3 For example of FileZilla on Windows, Open 'File'-'Site Manager'.
[4] Input user info like follows, for encryption field, select "explicit FTP over TLS".
[5] The user's Password is required. Input it.
[6] The following waring is shown because the certificate is own created, it's no ploblem. Go next.
[7] Just connected with FTPS.
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