Bug 591633 - Firewall prevents discovery of mDNS devices
Summary: Firewall prevents discovery of mDNS devices
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: system-config-printer
Version: 6.0
Hardware: All
OS: Linux
Target Milestone: rc
: ---
Assignee: Tim Waugh
QA Contact: qe-baseos-daemons
Depends On: 638176 728138
TreeView+ depends on / blocked
Reported: 2010-05-12 18:03 UTC by Issue Tracker
Modified: 2018-11-14 19:31 UTC (History)
8 users (show)

Fixed In Version: system-confing-printer-1.1.16-19.el6
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2011-12-06 15:31:39 UTC
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2011:1638 0 normal SHIPPED_LIVE system-config-printer bug fix update 2011-12-06 00:50:40 UTC

Description Issue Tracker 2010-05-12 18:03:29 UTC
Escalated to Bugzilla from IssueTracker

Comment 1 Issue Tracker 2010-05-12 18:03:31 UTC
Event posted on 05-12-2010 01:18pm EDT by woodard

Description of problem:
When you run hp-toolbox and try to setup a device it can't seem to find the device over the network. Other OS's have no problem. This happens even if you increase the timeout and toggle between mDNS/Bonjour or SLP

How reproducible:

Steps to Reproduce:

Actual results:
Nothing found

Expected results:
find's the printer

Additional info:

When you do a manual find it finds it with no problem.

This event sent from IssueTracker by kbaxley  [LLNL (desktop)]
 issue 882113

Comment 2 RHEL Program Management 2010-05-12 18:07:46 UTC
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for

Comment 3 Bill Nottingham 2010-05-12 22:15:42 UTC
What are your firewall settings?

Comment 4 Issue Tracker 2010-05-13 16:18:04 UTC
Event posted on 2010-05-13 09:18 PDT by woodard

pretty light and pretty standard

# Firewall configuration written by system-config-firewall
# Manual customization of this file is not recommended.
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT
-I FORWARD -m physdev --physdev-is-bridged -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
/etc/sysconfig/iptables (END) 

This event sent from IssueTracker by woodard 
 issue 882113

Comment 5 Tim Waugh 2010-05-17 14:17:02 UTC
The default firewall prevents slp and mdns replies.  You need to adjust the firewall in order to discover network printers.

Comment 28 errata-xmlrpc 2011-12-06 15:31:39 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.


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