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Sorry never had to fiddle with iptables before. Basically my issue is I need to let a virus scanner bind to port 10025 and then firewall 10025 from all hosts except for localhost. Only Postfix will need to contact the virus scanner directly. Postfix and the virus scanner are on the same box. <br />
<br />
Thanks.<br />
<br />

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Sorry never had to fiddle with iptables before. Basically my issue is I need to let a virus scanner bind to port 10025 and then firewall 10025 from all hosts except for localhost. Only Postfix will need to contact the virus scanner directly. Postfix and the virus scanner are on the same box.

Thanks.



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The rule above will do that, and as I pointed out the kernel will ensure that the localhost IP can only be accessed from the local machine. This is true of all systems that have a TCP/IP stack since all of those have a localhost at 127.0.0.1. And as the comment for that rule says, not having the localhost IP open for connections will break other things.
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The rule above will do that, and as I pointed out the kernel will ensure that the localhost IP can only be accessed from the local machine. This is true of all systems that have a TCP/IP stack since all of those have a localhost at 127.0.0.1. And as the comment for that rule says, not having the localhost IP open for connections will break other things.

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ok thanks<br />
<br />
Seems to be working ok. <br />
<br />
:)
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Hi<br />
<br />
I've basically firewalled off everything except for SSH and Mail on a redhat server just using the security gui in gnome.<br />
<br />
However I need to allow localhost to accept on 10025.<br />
<br />
What would be the iptables command to insert this into the iptables rules?<br />
<br />
Thanks<br />
<br />

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Hi

I've basically firewalled off everything except for SSH and Mail on a redhat server just using the security gui in gnome.

However I need to allow localhost to accept on 10025.

What would be the iptables command to insert this into the iptables rules?

Thanks



inputting IPTABLES rule help

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