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What protocols do I need to allow through my ISA firewall to allow users to install network printers?

Posted on 2006-11-14
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Last Modified: 2013-11-16
Hi,
I am hoping someone can assist me.  I have looked seemingly everywhere for this answer to no avail.  What protocol(s) do I need to allow through my ISA firewall to allow users to install network printers?  I have the following protocols allowed:

 Protocol = Port Range = Protocol Type

FTP = 21  = TCP
HTTP = 80  = TCP
HTTPS = 443  = TCP
IMAP4 = 143  = TCP
IMAPS = 993  = TCP
MMS = 1755  = TCP / UDP
PNM = 7070  = TCP
POP3 = 110  = TCP
RAW = 9100  = TCP
RTSP = 554  = TCP
SMTP = 25  = TCP

Am I missing a protocol that would deny a user to install a network printer(i.e. JetDirect card) through the ISA firewall?  If so, what protocol should be added to allow this?  Thanks.

Bob
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Question by:dgriffit55
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by:Keith Alabaster
ID: 17940566
none of those apply to network devices such as printers; this would be covered under RPC calls. Can you clarify why you would need ISA involved in this at all, are the users on the Internet or external to you somewhere?
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by:Keith Alabaster
ID: 17940598
Actually, the one exception would be if you are using the HP Jetadmin which can operate over port 9100 (TCP). Is this traffic outbound from the internal network or coming in from the Internet?
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by:dgriffit55
ID: 17949212
I have an ISA firewall which seperates my wireless from my LAN.  I do this to keep rogue laptops from just jumping onto my network with proper authentication.  I know it is a protocol issue, because when I test the pass through policy it works just fine.  So, something in my limited access policy is blocking the protocol/port needed.  I am looking for the protocol/port required to allow authenticated wirless users to install HP networked printers to their laptops.  I hope this makes sense, if not please let me know.  Thanks.

Bob
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by:dgriffit55
ID: 17949225
correction:  I do this to keep rogue laptops from jumping onto my network without proper authentication.
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by:dgriffit55
ID: 18054809
Nevermind, our ISA guru figured it out.  He had to make publish something to allow the VPN client ablity to install printers.  It never was a blocked port issue.  Thanks for all the help though.

Bob
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by:Keith Alabaster
ID: 18055835
hehehe, you didn't mention a VPN :) but well done anyway.

Regards
keith
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