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Serwer FTP - Vsftpd - Konfiguracja SSL

 ·  ☕ 4 min czytania  ·  🐧 admin

Ćwiczenia do wykonania:

  1. Wygeneruj certyfikat.
  2. Skonfiguruj serwer do obsługi SSL
  3. Skonfiguruj klienta do obsługi SSL
  4. Zaloguj się, utwórz katalogi i skopiuj pliki z klienta do serwera.

Wygeneruj certyfikat

SLES

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cd /etc/ssl/private
openssl req -x509 -nodes -newkey rsa:2048 -keyout vsftpd.pem -out vsftpd.pem -days 365
Generating a 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) [AU]: country code
State or Province Name (full name) [Some-State]: state
Locality Name (eg, city) []: city
Organization Name (eg, company) [Internet Widgits Pty Ltd]: company
Organizational Unit Name (eg, section) []: department
Common Name (e.g. server FQDN or YOUR name) []: server's FQDN
Email Address []: admin's e-mail

Debian

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cd /etc/ssl/private
openssl req -x509 -nodes -newkey rsa:2048 -keyout vsftpd.pem -out vsftpd.pem -days 365
Generating a 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) [AU]: country code
State or Province Name (full name) [Some-State]: state
Locality Name (eg, city) []: city
Organization Name (eg, company) [Internet Widgits Pty Ltd]: company
Organizational Unit Name (eg, section) []: department
Common Name (e.g. server FQDN or YOUR name) []: server's FQDN
Email Address []: admin's e-mail

Red Hat

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cd /etc/ssl/certs
openssl req -x509 -nodes -newkey rsa:2048 -keyout vsftpd.pem -out vsftpd.pem -days 365
.+..+.+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*.....+.....+.......+...+..+.+...+.....+.......+..+.+...........+...+...+...+.+.........+..+.......+..+.+..+.+......+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*.....+...........+......+.+..+......+.+...+..+.+........+.+...+......+..+..........+..+.+.....................+......+.....+....+......+..+.+......+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
........+.........+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*..+...+......+.........+.+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++*...+....+...........+..........+......+.....+...+...+.......+...+...+..+...+....+..+.+..+...+.......+............+.........+..+...+......+....+......+.....+.+..............+...+...+...+....+..+....+.........+...............+........+..........+..+......+.......+.........+......+...............+..+..........+.................+....+...........+.............+.....+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
-----
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]: country code
State or Province Name (full name) []: state
Locality Name (eg, city) [Default City]: city
Organization Name (eg, company) [Default Company Ltd]: company
Organizational Unit Name (eg, section) []: department
Common Name (eg, your name or your server's hostname) []: server's FQDN
Email Address []: admin's e-mail

Skonfiguruj SSL w Vsftpd

SLES

sudo vim /etc/vsftpd.conf
ssl_enable=YES
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
force_local_logins_ssl=YES
#dsa_cert_file=

Debian

sudo vim /etc/vsftpd.conf
ssl_enable=YES
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
force_local_logins_ssl=YES
#dsa_cert_file=

Red Hat

sudo vim /etc/vsftpd/vsftpd.conf
ssl_enable=YES
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
force_local_logins_ssl=YES
#dsa_cert_file=

Zrestartuj Vsftpd.

SLES

sudo systemctl restart vsftpd

Debian

sudo systemctl restart vsftpd

Red Hat

sudo systemctl restart vsftpd

Skonfiguruj klienta lftp

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vim ~/.lftprc
set ftp:ssl-protect-fxp yes
set ftp:ssl-allow yes
set ftp:ssl-auth TLS
set ftp:ssl-force yes
set ssl:verify-certificate no
set ftp:ssl-protect-data yes
set ftp:ssl-protect-list yes

Zaloguj się za pomocą klienta lftp

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lftp ftp1@10.10.0.111
Password:
lftp ftp1@10.10.0.111:~> ls
-rw-------    1 1001     100            14 Apr 27 11:00 file-ssl
-rw-------    1 1001     100             0 Apr 27 11:02 some-file
drwx------    1 1001     100            26 Apr 27 11:00 test-dir
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