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Set root's password for MySQL
Log File Rotation

If this is not done the log files will keep growing indefinitely.
Edit /etc/logrotate.d/asterisk

/var/log/asterisk/fail2ban {
 rotate 4
 create 0640 asterisk asterisk
 /usr/sbin/asterisk -rx 'logger reload' > /dev/null 2> /dev/null || true
 su root root

If you plan to use hardware SIP phones you will probably want to set up TFTP.

yum -y install tftp-server
nano /etc/xinetd.d/tftp
change server_args = -s /var/lib/tftpboot
to server_args = -s /tftpboot
change disable=yes
to disable=no
mkdir /tftpboot
chmod 777 /tftpboot
systemctl restart xinetd
firewall-cmd --permanent --zone=public --add-port=69/udp
firewall-cmd --reload

This is used in combination with sox to convert uploaded mp3 files to Asterisk compatible wav files.

cd /usr/src
tar -xjvf mpg123*
cd mpg123*/
./configure --prefix=/usr --libdir=/usr/lib64 && make && make install && ldconfig
Digum addons

To register digium® licenses.

cd /usr/src
chmod +x register

To install the individual addons refer to the README files and ignore the register instructions.

Password protect http access

A simple way to block scanners looking for exploits on apache web servers.

mkdir -p /usr/local/apache/passwd
htpasswd -c /usr/local/apache/passwd/wwwpasswd someusername
htpasswd -c /usr/local/apache/passwd/wwwpasswd someotherusername
nano /var/www/html/.htaccess
# .htaccess files require AllowOverride On in /etc/httpd/conf/httpd.conf
AuthType Basic
AuthName "Restricted Access"
AuthUserFile /usr/local/apache/passwd/wwwpasswd
Require valid-user

Alternatively, the above .htaccess config can be added to /etc/httpd/conf/httpd.conf or as a separate file in /etc/httpd/conf.d/ as follows.

<Directory /var/www/html>
AuthType Basic
AuthName "Restricted Area"
AuthUserFile /usr/local/apache/passwd/wwwpasswd
Require valid-user
Whitelist protect http access

If http access is only required from certain IP addresses.
NOTE: Apache 2.4 以後才支援這功能
Edit /etc/httpd/conf.d/whitelist.conf

<Location />
 ## Uncomment the following line to disable the whitelist
 #Require all granted
 Require ip x.x.x.x
 Require ip x.x.x.x x.x.x.x x.x.x.x
 Require ip x.x
 Require ip x.x.x.0/
 Require host
 ## See for more examples

舊版 Apache 設定
NOTE:確定網站目錄有 AllowOverride All 設定

order deny,allow
deny from all
# Alang's IPs
allow from
allow from
allow from 192.168.99.
G.729 Codec