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Posted to issues@cloudstack.apache.org by "Murali Reddy (JIRA)" <ji...@apache.org> on 2016/09/09 09:20:20 UTC
[jira] [Created] (CLOUDSTACK-9495) Egress rules functionalty broken
when protocol=all specificed from 4.6
Murali Reddy created CLOUDSTACK-9495:
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Summary: Egress rules functionalty broken when protocol=all specificed from 4.6
Key: CLOUDSTACK-9495
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9495
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Affects Versions: 4.9.0, 4.8.0, 4.7.1, 4.6.2
Reporter: Murali Reddy
Egress rules handling in systemvm/patches/debian/config/opt/cloud/bin/configure.py, class CsAcl, add_rule() has below logic for handling protocol
if rule['protocol'] != "all":
fwr += " -s %s " % cidr + \
" -p %s " % rule['protocol'] + \
" -m %s " % rule['protocol'] + \
" --dport %s" % rnge
there is no else block to handle case when protocol in 'all' in which case CIDR never gets passed to the iptables command, hence resulting in accept all rule FW_EGRESS_RULES chain.
To reproduce the issue just give any cidr in the guest subnet, for e.g. 10.1.1.27/31 and protocol all and see the result in FW_EGRESS_RULES of the filter table, you will see accept all rule.
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