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Message #01799
[Bug 1401885] Re: Allowing all UDP/TCP traffic in
The comment about the ">" interface is not tied to the "port range"
gliitch.
I confirm that this issue/limitation comes from ufw, not from gufw;
sorry about that.
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https://bugs.launchpad.net/bugs/1401885
Title:
Allowing all UDP/TCP traffic in
Status in Gufw:
New
Bug description:
Environment: Ubuntu 14.10 - Gufw 14.10.1
------------------
The configuration is basic:
- Incoming: Deny
- Outgoing: Allow
- Routing: Allow
Now, suppose you need to allow internal communication, for example all
incoming UDP/TCP traffic from a VirtualBox VM on vboxnet0 sitting on a
particular subnet, 192.168.56.0/24 is used here.
Using Gufw to implement this simple setup does NOT work (UDP
communication is still blocked - TCP configuration is not shown):
https://drive.google.com/file/d/0B5fXyIn0-GDFbUpMaW0zVTlqYUE/view?usp=sharing
However, using ufw allows us to attain our goal:
ufw status
Status: active
To Action From
-- ------ ----
192.168.56.1 1:65535/tcp ALLOW 192.168.56.0/24
192.168.56.1 1:65535/udp ALLOW 192.168.56.0/24
This simple configuration allows all UDP/TCP communication in from
192.168.56.0/24 towards the host servers.
The problem is: it is not possible to use Gufw to make that setup, and
once it is done through ufw CLI, it is not possible to display or edit
it within Gufw.
As a summary:
--------------------
- allowing all TCP/UDP communication IN is not possible with Gufw (have I missed something?)
- displaying/editing some ufw rules is not possible within gufw (have I missed something?)
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References