An application that allows a user to configure the tables provided by the Linux firewall. iptables is succeeded by nftables as of 2014.

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180 views

Shorewall stopped policies - routeback

Here goes a very specific question about the insides of Shorewall and Iptables in general. Shorewall supports configuration of "Stopped Policies" using the file routestopped, which defines the ...
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35 views

Enabling specific access with iptables on Debian

I am running a Debian server that hosts several Docker containers but also works as my router and internet gateway. I am having trouble getting SSH access from outside (specific ipaddresses) working ...
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33 views

iptable ip_conntrack_max testing

I was trying to understand how ip_conntrack_max works so i have created two VM and set ip_conntrack_max to 10000 I used hping to open 10000 udp connection on VM using following command hping --udp -...
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178 views

IPtables accepting SMTP without being configured?

While setting up the IPtables rules for a new server, I set up Postfix and send an email to try it out. To my surprise the email arrived without me declaring a rule for the port in IPtables. ...
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50 views

How to manage security for multiple PC and VM?

I have a firewall VM which creates I have used to setup subnet for different purposes. For example: (fake ips, of course) 1.1.2.1/24 DMZ 1.1.3.1/24 Internal 1.1.5.1/24 security/logging I use ...
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386 views

forcing a traffic redirect?

I am trying to get my machines to be force through a MiTM and the MiTM to redirect them to a server of my choice (which happens to be the MiTM on port 17002) I am running ip tables: sudo iptables -t ...
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349 views

Throttling DropBox behind a firewall

Our office network bandwidth gets choked when an employee copies a large file into her DropBox, since it gets downloaded on several machines (of other employees). LAN Sync is an option, but needs to ...
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17 views

Has Anyone Published the Typical Netstat Profile for TAILS Linux?

Using TAILS, and with concerns typical of anyone security conscious enough to be drawn to it in the first place, I was wondering if boum.org or anywhere else has put the typical netstat profile for ...
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62 views

Domain redirection when using Evil Twin method?

When clients are connected to my fake access point, is there a way to redirect their requests to a different domain (eg.: google.com --> hotmail.com)? Could this be achieved maybe via iptables or the ...
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28 views

airbase-ng: How to apply `iptables` rule to packets on `at0` tap-interface

airbase-ng: How to apply iptables rule to packets on at0 tap-interface Reading a tutorial on the net, I see this iptables command used with the tap-interface at0, created by airbase-ng. iptables --...