Rob,

You might use iptables if your Listserv is running Unix/Linux.

  Bob

From: LISTSERV site administrators' forum [mailto:[log in to unmask]] On Behalf Of Wideman, Robert - Ellucian <[log in to unmask]>
Sent: Tuesday, August 14, 2012 6:19 AM
To: [log in to unmask]
Subject: can I restrict what addresses the server will listen to?

We are installing a new Listserv and the new server will reside behind our spam filters (and is working well.)  I understand that I can restrict access to the server with firewalls and such, but is there a command I can use to tell the listserv to only accept connections on port 25 from a specific list of IP addresses?  I will use a non standard port for communication between the spam filters and the listserv if I have to and it is the only option, but I would rather not.

Rob Wideman * A+, Network+, HP Procurve ASE, Cisco CCNA, Dell Compellent CSA * Network Analyst * Delta College * Ellucian * 1961 Delta Road, University Center MI 48710 * Tel 989-686-9177 * Fax 989-667-2201 * [log in to unmask]<mailto:[log in to unmask]> * www.ellucian.com<http://www.ellucian.com/>
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