Bug 72824

Summary:	ifup fails to punch nameservers through firewall
Product:	[Retired] Red Hat Public Beta	Reporter:	Jan Iven <jan.iven>
Component:	initscripts	Assignee:	Bill Nottingham <notting>
Status:	CLOSED RAWHIDE	QA Contact:	Brock Organ <borgan>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	null	CC:	rvokal
Target Milestone:	---
Target Release:	---
Hardware:	i386
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2002-08-28 07:32:31 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Jan Iven 2002-08-28 07:32:25 UTC

From Bugzilla Helper:
User-Agent: Mozilla/5.0 Galeon/1.2.0 (X11; Linux i686; U;) Gecko/20020509

Description of problem:
in the "high" security firewall settings with DHCP, "ifup eth0" will not create
additional rules for the name servers. This seems because the "iptables" syntax
used in the /etc/sysconfig/network-scripts/ifup is no longer valid, it uses
something like "... -m udp  ... --sport 53  -p udp".

Changing this to "... -p udp -m udp .. --sport 53" makes it work again.



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


How reproducible:
Always

Steps to Reproduce:
1. configure firewall into "high security" (lokkit or on install) 
2. use DHCP for eth0
(simulate a BOOT=no situation for eth0):
3. ifdown eth0
4. service iptables restart
5. ifup eth0
	

Actual Results:  DNS replies don't make it through the firewall


Expected Results:  DNS replies from the DHCP-configured nameserver should be
accepted, i.e. a new rule should appear in "iptables -L"

Additional info:

Comment 1 Bill Nottingham 2002-08-28 16:00:17 UTC

This should be fixed in 6.91-1 or later