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Bug 1478414

Summary:	hardening makes computer not accessible by ssh
Product:	Red Hat Enterprise Linux 7	Reporter:	Marek Haicman <mhaicman>
Component:	scap-security-guide	Assignee:	Watson Yuuma Sato <wsato>
Status:	CLOSED ERRATA	QA Contact:	Matus Marhefka <mmarhefk>
Severity:	high	Docs Contact:	Mirek Jahoda <mjahoda>
Priority:	high
Version:	7.4	CC:	mhaicman, mjahoda, mmarhefk, mpreisle, mthacker, openscap-maint, toneata
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---	Flags:	toneata: needinfo-
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	Previously, all strict SCAP Security Guide (SSG) profiles contained a remediation script, which set the firewalld default zone to "drop" preventing any connection to a machine that is not explicitly allowed. As a consequence, the machine was not accessible by SSH. With this update, the script has been removed from the SSG profiles, and the machine is now accessible by SSH after an SSG security hardening.	Story Points:	---
Clone Of:
Clones:	1493007 (view as bug list)		Environment:
Last Closed:	2018-04-10 12:21:26 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:
Bug Depends On:
Bug Blocks:	1493007

Description Marek Haicman 2017-08-04 13:59:43 UTC

Description of problem:
One of the rules in all stricter RHEL7 policies is to set firewalld default zone to "drop". (rule_set_firewalld_default_zone) This prevents any connection not specifically allowed from succeeding.

Rule to explicitly enable SSH port (rule_firewalld_sshd_port_enabled) is shipped within datastream, but is actually not enabled in any profile. We need to enable it for all profiles which are dropping by default.

Version-Release number of selected component (if applicable):
scap-security-guide-0.1.33-5.el7.noarch


How reproducible:
reliably

Steps to Reproduce:
1. harden machine with ospp profile
2. connect with ssh, or firewall-cmd --list-all-zones
3.

Actual results:
ssh is not enabled in drop policy

Expected results:
ssh is enabled

Additional info:

Comment 7 Watson Yuuma Sato 2017-09-18 15:11:49 UTC

Proposed fix upstream: https://github.com/OpenSCAP/scap-security-guide/pull/2328

Comment 15 errata-xmlrpc 2018-04-10 12:21:26 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-2018:0761