improve iinstall script

script/install.sh

@@ -709,6 +709,21 @@ app_set=1.6" >> /etc/asterisk/asterisk.conf
 echo 500000 > /proc/sys/fs/file-max
 echo "fs.file-max=500000">>/etc/sysctl.conf
 
+
+ulimit -c unlimited # The maximum size of core files created.
+ulimit -d unlimited # The maximum size of a process's data segment.
+ulimit -f unlimited # The maximum size of files created by the shell (default option)
+ulimit -i unlimited # The maximum number of pending signals
+ulimit -n 999999    # The maximum number of open file descriptors.
+ulimit -q unlimited # The maximum POSIX message queue size
+ulimit -u unlimited # The maximum number of processes available to a single user.
+ulimit -v unlimited # The maximum amount of virtual memory available to the process.
+ulimit -x unlimited # ???
+ulimit -s 240         # The maximum stack size
+ulimit -l unlimited # The maximum size that may be locked into memory.
+ulimit -a           # All current limits are reported.
+
+
 echo '
 * soft nofile 500000
 * hard nofile 500000
@@ -863,7 +878,7 @@ iptables -P INPUT DROP
 iptables -P FORWARD DROP
 iptables -P OUTPUT ACCEPT
 iptables -A INPUT -p udp -m udp --dport 5060 -j ACCEPT
-iptables -A INPUT -p udp -m udp --dport 10000:20000 -j ACCEPT
+iptables -A INPUT -p udp -m udp --dport 10000:40000 -j ACCEPT
 iptables -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
 iptables -A INPUT -p tcp -m tcp --dport 443 -j ACCEPT
 iptables -I INPUT -j DROP -p udp --dport 5060 -m string --string "friendly-scanner" --algo bm
@@ -881,6 +896,7 @@ if [ ${DIST} = "DEBIAN" ]; then
     apt-get install -y iptables-persistent
     sudo iptables-save > /etc/iptables/rules.v4
 elif [ ${DIST} = "CENTOS" ]; then
+    iptables -A INPUT -p udp -m udp --dport 10000:50000 -j ACCEPT
     service iptables save
     systemctl restart iptables
 fi