[ https://issues.apache.org/jira/browse/CLOUDSTACK-6432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348720#comment-15348720 ]
Wei Zhou commented on CLOUDSTACK-6432: -------------------------------------- [~nuxro] you can try this simple commit {code} diff --git a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py index 585594f..e6aea26 100755 --- a/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py +++ b/systemvm/patches/debian/config/opt/cloud/bin/cs/CsAddress.py @@ -425,9 +425,9 @@ class CsIP: self.fw.append( ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 67 -j ACCEPT" % self.dev]) self.fw.append( - ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 53 -j ACCEPT" % self.dev]) + ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 53 -s %s -j ACCEPT" % (self.dev, self.address['network'])]) self.fw.append( - ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 53 -j ACCEPT" % self.dev]) + ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 53 -s %s -j ACCEPT" % (self.dev, self.address['network'])]) self.fw.append( ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 80 -m state --state NEW -j ACCEPT" % self.dev]) self.fw.append( @@ -476,9 +476,9 @@ class CsIP: self.fw.append( ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 67 -j ACCEPT" % self.dev]) self.fw.append( - ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 53 -j ACCEPT" % self.dev]) + ["filter", "", "-A INPUT -i %s -p udp -m udp --dport 53 -s %s -j ACCEPT" % (self.dev, self.address['network'])]) self.fw.append( - ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 53 -j ACCEPT" % self.dev]) + ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 53 -s %s -j ACCEPT" % (self.dev, self.address['network'])]) self.fw.append( ["filter", "", "-A INPUT -i %s -p tcp -m tcp --dport 80 -m state --state NEW -j ACCEPT" % self.dev]) {code} > Prevent VR from response to DNS request from outside of network > --------------------------------------------------------------- > > Key: CLOUDSTACK-6432 > URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6432 > Project: CloudStack > Issue Type: Bug > Security Level: Public(Anyone can view this level - this is the > default.) > Affects Versions: 4.4.0, 4.5.0 > Reporter: Sheng Yang > Assignee: Sheng Yang > Fix For: 4.4.0, 4.5.0 > > > In basic and shared network, VR use private network nic for dhcp/dns > services. But if private network is on the internet as well, it would make VR > facing outside network. > We would restrain the VR DNS service inside CloudStack managed network. -- This message was sent by Atlassian JIRA (v6.3.4#6332)