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From "Wilder Rodrigues (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (CLOUDSTACK-8925) Default allow for Egress rules is not being configured properly in VR iptables rules
Date Mon, 02 Nov 2015 14:00:29 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985228#comment-14985228
] 

Wilder Rodrigues edited comment on CLOUDSTACK-8925 at 11/2/15 2:00 PM:
-----------------------------------------------------------------------

Hi [~rajanik],

Just deployed 2 VMs, with default egrees false/true. Both the routers have the same setup
as you said. And in the case of logging messages, got the same:

Router 1:

2015-11-02 13:37:53,105  configure.py add_rule:143 Current ACL IP direction is ==> egress
2015-11-02 13:37:53,105  configure.py add_rule:163 EGRESS rule configured for protocol ==>
all, action ==> ACCEPT

Router 2:

2015-11-02 13:39:59,396  configure.py add_rule:143 Current ACL IP direction is ==> egress
2015-11-02 13:39:59,396  configure.py add_rule:163 EGRESS rule configured for protocol ==>
all, action ==> ACCEPT

But looking on vmops.log I got:

2015-11-02 13:35:17,724 DEBUG [c.c.n.r.VirtualNetworkApplianceManagerImpl] (Work-Job-Executor-10:ctx-4c95d65e
job-33/job-34 ctx-28b12bea) Egress policy for the Network
 207 is already defined as Deny. So, no need to default the rule to Allow. 

Will continue investigating.

Cheers,
Wilder


was (Author: wilder.rodrigues):
Hi [~rajanik],

Just deployed 2 VMs, with default egrees false/true. Both the routers have the same setup
as you said. And in the case of logging messages, got the same:

Router 1:

2015-11-02 13:37:53,105  configure.py add_rule:143 Current ACL IP direction is ==> egress
2015-11-02 13:37:53,105  configure.py add_rule:163 EGRESS rule configured for protocol ==>
all, action ==> ACCEPT

Router 2:

2015-11-02 13:39:59,396  configure.py add_rule:143 Current ACL IP direction is ==> egress
2015-11-02 13:39:59,396  configure.py add_rule:163 EGRESS rule configured for protocol ==>
all, action ==> ACCEPT

Will apply a fix.

Cheers,
Wilder

> Default allow for Egress rules is not being configured properly in VR iptables rules
> ------------------------------------------------------------------------------------
>
>                 Key: CLOUDSTACK-8925
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8925
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Virtual Router
>    Affects Versions: 4.6.0
>            Reporter: Pavan Kumar Bandarupally
>            Assignee: Wilder Rodrigues
>            Priority: Critical
>             Fix For: 4.6.0
>
>
> When we create a network with Egress rules set to default allow, the rules created in
FW_OUTBOUND table should have a reference to FW_EGRESS_RULES chain which has a rule to accept
NEW packets from the guest instances. Without that rule only RELATED , ESTABLISHED rule in
FW_OUTBOUND chain will result in Drop of packets.
> Chain FORWARD (policy DROP 0 packets, 0 bytes)
>  pkts bytes target     prot opt in     out     source               destination
>    44  2832 NETWORK_STATS  all  --  *      *       0.0.0.0/0            0.0.0.0/0
>     0     0 ACCEPT     all  --  eth0   eth1    0.0.0.0/0            0.0.0.0/0       
    state RELATED,ESTABLISHED
>     0     0 ACCEPT     all  --  eth0   eth0    0.0.0.0/0            0.0.0.0/0       
    state NEW
>     4   336 ACCEPT     all  --  eth2   eth0    0.0.0.0/0            0.0.0.0/0       
    state RELATED,ESTABLISHED
>     0     0 ACCEPT     all  --  eth0   eth0    0.0.0.0/0            0.0.0.0/0       
    state RELATED,ESTABLISHED
>    40  2496 FW_OUTBOUND  all  --  eth0   eth2    0.0.0.0/0            0.0.0.0/0
> Chain OUTPUT (policy ACCEPT 20 packets, 1888 bytes)
>  pkts bytes target     prot opt in     out     source               destination
>  2498  369K NETWORK_STATS  all  --  *      *       0.0.0.0/0            0.0.0.0/0
> Chain FIREWALL_EGRESS_RULES (0 references)
>  pkts bytes target     prot opt in     out     source               destination
> Chain FW_OUTBOUND (1 references)
>  pkts bytes target     prot opt in     out     source               destination
>     3   252 ACCEPT     all  --  *      *       0.0.0.0/0            0.0.0.0/0       
    state RELATED,ESTABLISHED



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