安爺ニュース/newsリンク/ ニュース拾い読み/PC備忘録

 [root@falcon21 ~]# yum -y install vsftpd

[root@falcon21 ~]# vi /etc/vsftpd/vsftpd.conf

上層へのアクセスを許可するユーザーの登録
[root@falcon21 ~]# echo hayato >> /etc/vsftpd/chroot_list

上層へのアクセスができないユーザーの設定
[root@falcon21 ~]# mkdir /etc/skel/etc
[root@falcon21 ~]# cp /etc/localtime /etc/skel/etc/

[root@falcon21 ~]# vi localtimset
#!/bin/bash

for user in `ls /home`
do
   id $user > /dev/null 2>&1
   if [ $? -eq 0 ]; then
        grep $user /etc/vsftpd/chroot_list > /dev/null 2>&1
        if [ $? -ne 0 ] && [ ! -f /home/$user/etc/localtime ]; then
            mkdir -p /home/$user/etc
            cp /etc/localtime /home/$user/etc
            echo $user
        fi
   fi
done

----------------
[root@falcon21 ~]# sh localtimset
[root@falcon21 ~]# rm -f localtimset

------------------

アクセスを禁止するユーザーの登録 
[root@falcon21 ~]# echo ユーザー名 >> /etc/vsftpd/ftpusers

サーバー証明書作成 
[root@falcon21 ~]# cd /etc/pki/tls/certs/
[root@falcon21 certs]# make vsftpd.pem
umask 77 ; \
        PEM1=`/bin/mktemp /tmp/openssl.XXXXXX` ; \
        PEM2=`/bin/mktemp /tmp/openssl.XXXXXX` ; \
        /usr/bin/openssl req -utf8 -newkey rsa:2048 -keyout $PEM1 -nodes -x509 -days 365 -out $PEM2 -set_serial 0 ; \
        cat $PEM1 >  vsftpd.pem ; \
        echo ""    >> vsftpd.pem ; \
        cat $PEM2 >> vsftpd.pem ; \
        rm -f $PEM1 $PEM2
Generating a 2048 bit RSA private key
...............................+++
.........................+++
writing new private key to '/tmp/openssl.cTrX7M'
-----
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]:JP
State or Province Name (full name) []:Gifu
Locality Name (eg, city) [Default City]:Anpachi
Organization Name (eg, company) [Default Company Ltd]:falcon21.space
Organizational Unit Name (eg, section) []:
Common Name (eg, your name or your server's hostname) []:ftp.falcon21.space
Email Address []:root@falcon21.space

---------------
vsftpd起動 
[root@falcon21 ~]# /etc/rc.d/init.d/vsftpd start
vsftpd 用の vsftpd を起動中:                               [  OK  ]

[root@falcon21 ~]# chkconfig vsftpd on
[root@falcon21 ~]# chkconfig --list vsftpd
vsftpd          0:off   1:off   2:on    3:on    4:on    5:on    6:off

アクセス制限
[root@falcon21 ~]# echo "vsftpd:127.0.0.1" >> /etc/hosts.allow
[root@falcon21 ~]# echo "vsftpd:192.168.2." >> /etc/hosts.allow
[root@falcon21 ~]# echo "vsftpd:192.168.0." >> /etc/hosts.allow
[root@falcon21 ~]# echo "vsftpd:ALL" >> /etc/hosts.deny