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VOS3000 IPtables for port changing vos 3000 client and security

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voip server rent security

VOS3000 IPtables for port changing :
Use below rule to change your vos3000 client to access server on different port as 7899 or change as per your requirement
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1202 -j DNAT –to-destination :3720                                                                       iptables -A PREROUTING -t nat -p tcp -m tcp –dport 7899 -j DNAT –to-destination :1202

voip server rent client security


iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1202 -j DNAT –to-destination :3720
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 7899 -j DNAT –to-destination :1202
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 3306 -j DROP
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 2501 -j DROP
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1202 -j DROP
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 1205 -j DROP
iptables -A PREROUTING -t nat -p tcp -m tcp –dport 143 -j DROP
iptables -A POSTROUTING -t nat -p tcp -m tcp –dport 7899 -j MASQUERADE
iptables -A POSTROUTING -t nat -p tcp -m tcp –dport 7899 -j MASQUERADE

Download  IPtables list and modify as per your requirement
 
Download iptables
Edit and upload iptables.txt on your server and apply the iptables rule
 
#iptables-restore  <  /your upload path/iptables.txt

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