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Linux port mapping tool rinetd under the use of many novices are not very clear, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

Rinetd, a simple and easy to use tool under Linux, to achieve port mapping / forwarding / redirection.

Software download

Wget http://www.boutell.com/rinetd/http/rinetd.tar.gz

Decompression and installation

Tar zxvf rinetd.tar.gz

Make

Make install

Edit configuration

Vi / etc/rinetd.conf

0.0.0.0 8080 172.19.94.3 8080

0.0.0.0 2222 192.168.0.103 3389

1.2.3.4 80 192.168.0.10 80

Explain (0.0.0.0 indicates that all available addresses are bound locally)

Forward all requests to port 8080 on this machine to port 8080 of 172.19.94.3

Forward all requests to port 2222 on this machine to port 3389 of 192.168.0.103

Forward all port 80 requests to 1.2.3.4 to port 80 of 192.168.0.10

The command format is

Bindaddress bindport connectaddress connectport

Bound address bound port bound address connected port

Or

[Source Address] [Source Port] [Destination Address] [Destination Port]

Source address source port destination address destination port

Startup program

Pkill rinetd # # shut down the process

Rinetd-c / etc/rinetd.conf # # start forwarding

Add this command to / etc/rc.local and you can turn it on and run automatically.

View statu

Netstat-antup

Need to pay attention to

The native port bound in 1.rinetd.conf must not be occupied by other programs

two。 The system firewall running rinetd should open the bound native port

For example:

-A RH-Firewall-1-INPUT-m state-- state NEW-m tcp-p tcp-- dport 1111-j ACCEPT

-A RH-Firewall-1-INPUT-m state-- state NEW-m tcp-p tcp-- dport 2222-j ACCEPT

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