Re: What tool shows /proc/net/nf_conntrack

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



> Sam Varshavchik <mrsam@xxxxxxxxxxxxxxx> wrote:
>> I forwarded a port, using system-config-firewall.
>>
>> The destination machine, not surprisingly, shows the IP address of
>> the firewall as the source of the connection. The goal is obtaining
>> the connection's real source IP. However, on the firewall the
>> forwarded connection isn't reported anywhere by netstat or ss.

On Sun, Aug 28, 2011 at 1:50 AM, Kevin Fenzi <kevin@xxxxxxxxx> wrote:
> This is a DNAT forward? it should show the IP of whatever machine is
> sending the request, not the firewall box in the middle.

As the forwarded port most likely also does SNAT, so the receiving
machine can send its packets back, the receiver has no clue about the
original sender and will show the IP of the firewall.

-- 
Regards,

André
-- 
users mailing list
users@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe or change subscription options:
https://admin.fedoraproject.org/mailman/listinfo/users
Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines


[Index of Archives]     [Older Fedora Users]     [Fedora Announce]     [Fedora Package Announce]     [EPEL Announce]     [EPEL Devel]     [Fedora Magazine]     [Fedora Summer Coding]     [Fedora Laptop]     [Fedora Cloud]     [Fedora Advisory Board]     [Fedora Education]     [Fedora Security]     [Fedora Scitech]     [Fedora Robotics]     [Fedora Infrastructure]     [Fedora Websites]     [Anaconda Devel]     [Fedora Devel Java]     [Fedora Desktop]     [Fedora Fonts]     [Fedora Marketing]     [Fedora Management Tools]     [Fedora Mentors]     [Fedora Package Review]     [Fedora R Devel]     [Fedora PHP Devel]     [Kickstart]     [Fedora Music]     [Fedora Packaging]     [Fedora SELinux]     [Fedora Legal]     [Fedora Kernel]     [Fedora OCaml]     [Coolkey]     [Virtualization Tools]     [ET Management Tools]     [Yum Users]     [Yosemite News]     [Gnome Users]     [KDE Users]     [Fedora Art]     [Fedora Docs]     [Fedora Sparc]     [Libvirt Users]     [Fedora ARM]

  Powered by Linux