restrict tcp-port access - UNIX for Dummies Questions & Answers

remivisser · #1 (**permalink**) 05-17-2004

Hi

Is there any way to restrict the TCP-IP port usage.

I want to restrict TCP-IP port 1500/1550 to the oracle osuser.

Tanks in advance.

Remi

killerserv · #2 (**permalink**) 05-17-2004

Have you used iptables before ?

A simple Example:

iptables -A INPUT -s <IPrange>/<to range> -P TCP --dport 1500 -J REJECT

andryk · #3 (**permalink**) 05-18-2004

You can't prevent the system no to use those tcp-port >1024 unless they're already in use...

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