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El Tue, 9 May 2017 20:14:35 +0000
Christopher Bipes <chris.bipes@xxxxxxxxxxxxxxx> escribió:
Do not look at the source ports for outbound connections, rather the destination ports. Most firewalls, at least the ones I have worked with, restrict outbound ports but allow connected replies back in. So what are you attempting to RPC too? There are many RPC ports for various applications.

Are you attempting to connect for message queuing? Google "RPC Ports"


Chris Bipes
Director of Information Services
CrossCheck, Inc.


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces-Zwy7GipZuJhWk0Htik3J/w@xxxxxxxxxxxxxxxx] On Behalf Of Steinmetz, Paul
Sent: Tuesday, May 09, 2017 12:11 PM
To: 'Midrange Systems Technical Discussion' <midrange-l-Zwy7GipZuJhWk0Htik3J/w@xxxxxxxxxxxxxxxx>
Subject: What is the upper and lower port range for RPC - Remote Procedure Call

What is the upper and lower port range for RPC - Remote Procedure Call ?
We need to open the range of ports for RPC on the firewalls.
For PCI compliancy reasons, can this range be limited/reduced?
From various NETSTAT, we see ports 23,700 thru 60599 being used.


Here's the RFC (request for comments) explaining the details of the standard:
https://tools.ietf.org/html/rfc5531


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