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Port re-direction

Posted on 1997-12-19
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Last Modified: 2013-12-15
How do I redirect from port 1430 to Port 20 and vice versa. Under Slackware
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Question by:mykul
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hno earned 100 total points
ID: 1631068
Port 20 is normally used for ftp-data.. what are you trying to do?

To redirect ports you can use ipfwadm.

Redirect TCP port 1430 to 20
ipfwadm -I -a accept -P tcp -D this.host 1430 -r 20

Other options is to use a proxy, like redir or similar.

I don't beleive that you can switch the two ports (1430 redirected to 20, and 20 redirected to 1430) by other means than having the server processes to switch ports.

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by:mykul
ID: 1631069
Thank you for your help


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