CentOS7下vsftpd over SSL/TLS加密传输配置实践

cd /etc/pki/tls/certs/
openssl req -x509 -nodes -newkey rsa:2048 -keyout vsftpd.pem -out vsftpd.pem -days 365

[root@VM_Server ~]# cd /etc/pki/tls/certs/
[root@VM_Server certs]# ll
total 12
lrwxrwxrwx. 1 root root   49 Jan  4  2020 ca-bundle.crt -> /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
lrwxrwxrwx. 1 root root   55 Jan  4  2020 ca-bundle.trust.crt -> /etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
-rwxr-xr-x. 1 root root  610 Oct 31  2018 make-dummy-cert
-rw-r--r--. 1 root root 2516 Oct 31  2018 Makefile
-rwxr-xr-x. 1 root root  829 Oct 31  2018 renew-dummy-cert
[root@VM_Server certs]# 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 '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) [XX]:CN
State or Province Name (full name) []:ZheJiang
Locality Name (eg, city) [Default City]:HangZhou      
Organization Name (eg, company) [Default Company Ltd]:WalkingCloud
Organizational Unit Name (eg, section) []:IT
Common Name (eg, your name or your server's hostname) []:ftp.walkingcloud.cn
Email Address []:yuanfan@walkingcloud.cn
[root@VM_Server certs]# ll
total 16
lrwxrwxrwx. 1 root root   49 Jan  4  2020 ca-bundle.crt -> /etc/pki/ca-trust/extracted/pem/tls-ca-bundle.pem
lrwxrwxrwx. 1 root root   55 Jan  4  2020 ca-bundle.trust.crt -> /etc/pki/ca-trust/extracted/openssl/ca-bundle.trust.crt
-rwxr-xr-x. 1 root root  610 Oct 31  2018 make-dummy-cert
-rw-r--r--. 1 root root 2516 Oct 31  2018 Makefile
-rwxr-xr-x. 1 root root  829 Oct 31  2018 renew-dummy-cert
-rw-r--r--  1 root root 3176 Aug  8 09:01 vsftpd.pem

cd /etc/vsftpd/
cp /etc/pki/tls/certs/vsftpd.pem ./
chmod 600 vsftpd.pem

# enable TLS
rsa_cert_file=/etc/vsftpd/vsftpd.pem
ssl_enable=YES
ssl_ciphers=HIGH
ssl_tlsv1=YES
ssl_sslv2=NO
ssl_sslv3=NO
force_local_data_ssl=YES
force_local_logins_ssl=YES

service vsftpd restart
yum install -y lftp
lftp -u yuanfan 192.168.31.80