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Bug 1418860

Summary: SELinux does not allow zabbix agent to access redis tcp socket
Product: Red Hat Enterprise Linux 7 Reporter: Andreas Freudenreich <andreas.freudenreich>
Component: selinux-policyAssignee: Lukas Vrabec <lvrabec>
Status: CLOSED ERRATA QA Contact: Milos Malik <mmalik>
Severity: medium Docs Contact:
Priority: unspecified    
Version: 7.3CC: andreas.freudenreich, lvrabec, mgrepl, mmalik, plautrba, pvrabec, ssekidde
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: selinux-policy-3.13.1-203.el7 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2018-10-30 09:59:46 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Attachments:
Description Flags
output from audit2allow -a
none
output from audit2allow -w -a
none
output from 'ausearch -m avc -m user_avc -m selinux_err -m user_selinux_err -i -ts today' none

Description Andreas Freudenreich 2017-02-02 22:26:57 UTC
Created attachment 1247256 [details]
output from audit2allow -a

Description of problem:
I tried to set up a zabbix userparameter which uses redis-cli to retrieve redis stats. The zabbix GUI complains with "could not connect to redis at 127.0.0.1:6379: permission denied". When I turn of selinux, it works. Setting the "zabbix_can_network"sebool to "on" does not help.
audit2allow shows a missing type enforcement allow rule from zabbix_agent_t to redis_port_t:tcp_socket

Version-Release number of selected component (if applicable):
selinux-policy 3.13.1-102.el7_3.13
zabbix-agent 2.4.6-1.el7
redis 3.2.4-1

How reproducible: always


Steps to Reproduce:
1.setup zabbix userparameter using the redis-cli
2.set up and observe a zabbix item for redis in the zabbix server

Actual results:
Zabbix server GUI shows error: "could not connect to redis at 127.0.0.1:6379: permission denied"

Expected results:
No error - zabbix should have access to the redis tcp port

Additional info:

Comment 1 Andreas Freudenreich 2017-02-02 22:28:35 UTC
Created attachment 1247257 [details]
output from audit2allow -w -a

Comment 2 Milos Malik 2017-02-03 08:33:55 UTC
Could you collect raw SELinux denials and attach them here?

# ausearch -m avc -m user_avc -m selinux_err -m user_selinux_err -i -ts today

Thank you

Comment 4 Andreas Freudenreich 2017-02-03 20:31:38 UTC
Created attachment 1247572 [details]
output from 'ausearch -m avc -m user_avc -m selinux_err -m user_selinux_err -i -ts today'

Comment 10 errata-xmlrpc 2018-10-30 09:59:46 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.

https://access.redhat.com/errata/RHBA-2018:3111