Bug 1480581 - Net-SNMP snmpd built without IPv6 Transport
Net-SNMP snmpd built without IPv6 Transport
Status: CLOSED NOTABUG
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: net-snmp (Show other bugs)
7.3
Unspecified Unspecified
unspecified Severity high
: rc
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Assigned To: Josef Ridky
BaseOS QE Security Team
:
Depends On:
Blocks:
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Reported: 2017-08-11 08:27 EDT by Larry Adams
Modified: 2017-08-14 00:07 EDT (History)
0 users

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Last Closed: 2017-08-14 00:07:37 EDT
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Description Larry Adams 2017-08-11 08:27:02 EDT
Description of problem:

It appears that snmpd is not built with the UPD6 bidings.

Version-Release number of selected component (if applicable):

net-snmp-5.7.2-24.el7_3.2.x86_64

How reproducible:

Very easy, always

Steps to Reproduce:
1. Edit the snmpd.conf file, empty it and then add two lines:

rocommunity public
rocommunity6 public

2. Restart snmpd using 'systemctl restart snmpd'
3. Run netstat -an | grep 161

Actual results:

You see udp port 161 listening to 0.0.0.0, but no udp6 listening on :::0

Expected results:

Both udp6 and udp ports listening on all IP's.

Additional info:

That's it.
Comment 2 Larry Adams 2017-08-11 12:47:56 EDT
I'm going to close this.  It was reported that you must add the following to the Net-SNMP snmpd.conf file:

agentaddress udp:161,udp6:161

This was not the case in earlier versions of Net-SNMP.  So, though it's a behavior change, it's now working.  So, I'll close this.
Comment 3 Josef Ridky 2017-08-14 00:07:37 EDT
Due comment #2, I am closing this as NOTABUG.

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