Firewall Root Apk
Therese Cowden
I would like to restrict such question to the core technical feature provided by such software (like the kind of firewalling: stateless or stateful, are there any hardcoded exceptions, the robustness of the code handling untrusted packets, etc.) and not on secondary features or anti-features they may have (ads, tracking, cosmetic, ...) unless they concretely affect the core objective of the software.
A disadvantage of a firewall based on a local VPN is that not all traffic types can be handled, because the (Android) Linux kernel does not allow forwarding all traffic types over a socket based connection. An example is IPsec, which is being used for IP calling by some manufacturers. A partial (not for IPsec) solution to this would be to use a remote VPN server to forward traffic, but this is privacy wise not acceptable for a lot of people and would come with additional complexity and probably also with extra battery usage. In practice handling TCP and UDP traffic appears to be sufficient for 99,9% of the NetGuard users. Since Android 5 it is possible to exclude applications from being routed into the VPN (the VPN implementing application decides if this is mandatory or optional), which can be used to address problems arising from not being able to forward all traffic. Another option is to exclude address (ranges), which NetGuard uses to 'fix' IP calling for some manufacturers.
In general it has appeared that Android routes all traffic into the VPN, even traffic of system applications and components, but a manufacturer could decide to exclude certain traffic types, reducing the security that can be achieved by a VPN based firewall.
NetGuard does not analyze the data itself, except for DNS requests to provide ad blocking, but if it would it could raise a privacy concern. Nevertheless, technically seen this is an advantage of a VPN based firewall (if you still want to call it that way), because it would allow state-full inspection of data streams beyond what is possible with iptables. This would likely be at the costs of battery usage, because of the processing involved. Note that it would require a local MiT attack to inspect SSL streams.
Yet another disadvantage is that Android doesn't allow chaining of VPN's, so using a local VPN to implement a firewall will prevent using of a real VPN service, unless the firewall provides such a service itself or alternatively a forwarding or proxy mechanism to another VPN application.
Lastly, a VPN based firewall depends on the application providing the firewall VPN service to be running. This seems to be trivial, but it is not, because some manufacturer Android versions/variants are too aggressively killing processes in low memory conditions (IMHO it is a bug if Android kills applications providing a VPN service).
Finally, rooting of Android devices is becoming increasingly difficult, leaving a VPN based firewall as the only choice for many people. I don't expect Google to add a system based firewall anytime soon, because it could affect their ad revenue significantly. iOS does have a system based firewall.
Root based firewalls use IPFilter / iptables to control the flow. This automatically applies to all apps, whether there's a network connection available at all or not, whether the routing is working completely or not at all, or whether you're in a "closed environment" (Intranet) without access to the "outer world" (Internet). Apps you've got blocked are blocked. On a pretty low level.
Verdict: I'd personally trust a root-based solution more. But where rooting is not an option, non-root solutions should be almost as good. In that case, my recommendation would go towards open-source solutions like NetGuard (its developer also made Xprivacy and is well trusted). Speaking of which: For further details, take a look at the XDA introduction of NetGuard, which explains the background with some more details.
I have a firewall that is going to look for a client certificate in order to authenticate users. The clients already have the root CA certificate uploaded to their trust store (ie the root CA that issued the Intermediate CA that issued the client cert).
In order for the firewall to authenticate users, I believe I need to add the Root CA certificate to the firewall trust store as well so that when a client presents a client certificate, the firewall can trust the client possesses a certificate that has a chain of trust back to the Root CA. This is where I am a little confused. I am fairly certain that I add the Root CA cert to the firewall but I am also wondering if the Issuing CA certificate needs to be added as well or not at all.
The firewall received a signed certificate from the Intermediate CA and the client did as well. Do I need to add the Root CA certificate or the Intermediate CA certificate to the firewall trust store?
More importantly, why? Why is the Root CA certificate added and not the Issuing CA certificate? I think I know why but I don't know all the details, if someone could break down the details and go through what the exact process the firewall would go through to validate the client certificate.
More importantly, why? Why is the Root CA certificate added and not the Issuing CA certificate? I think I know why but if someone could break down the details and go through what the exact process the firewall would go through to validate the client certificate.
For an intuition, ask your self why you set up a root CA and an Intermediate CA in the first place? Why didn't you just make a root and issue your client certs off that? Usually the answer is that you want the ability to revoke the Intermediate CA if it gets compromised. If you tell your programs to explicitely trust the Intermediate CA, then even if you revoke it at the root, the software will continue to trust it, because you told it to. You may also run in to technical problems as many cert validation engines get unhappy if the cert chain doesn't end with a self-signed cert.
I'm running some scripts to check the UFW status and would like to run sudo ufw status without having to do sudo. I was hoping to find a firewall or ufw group to add myself to, but I didn't find any.
This mostly happens when Deep Inspection is used in the firewall policy & if the Client does not recognize the certificate coming from the Fortigate. Can you elaborate more about the issue with firmware version, policy details, UTMs used etc.?
Hi, after you load the factory-default config ( with the configuration command "load factory-default" you will have to set the system authentication password, otherwise the commit will fail and the config won't be activated. To set the password you can use the configuration command "set system root-authentication plain-text-password", and then type the pwd twice!
This was the default config on the firewall setup which I have been running since ClearOS was still called Clarkconnect, this is the first time this has happened. I am not sure if completely disabling root will break the web config gui but I have disabled root SSH login and setup a sudo user.
The Linux Kernel can only be opened up to root by a Passcode Hash which you generate a key and give to TAC who will paste it into SSH session. It is proprietary to PAN which contains core system files. I would recommend installing Nagios on a seperate server.
Root level access to the operating system is reserved for TAC support interventions in case a software bug needs to be investigated further. The operating system is proprietary and designed to offer you the best possible performance for all firewall tasks, installing custom packages onto an appliance could compromise the performance of the appliance.
Just as its name suggests, NoRoot Firewall is a firewall that lets you block any app from accessing the Internet and doesn't require root privileges. Each time one of your apps tries to access the Internet, you'll receive a notification and can choose to allow the connection or deny it.
I help support a monitoring product which runs in a Microsoft Windows environment that needs to the report the name of any 3rd party firewall product that is installed, the version number, and the current status of the firewall (enabled or disabled).
WinXP_1.jpg - (WinXP, SEP 11.0.4202.75) - I used WMI Object Browser (from Microsoft WMI Administration Tools) to display WMI namespace=root\SecurityCenter, class=FirewallProduct. This shows WMI properties (eg, displayName, enabled, versionNumber, etc.) with values about the SEP firewall.
Win7_1.jpg - (Win7, SEP 11.0.7200.1147) - I tried same thing on Win7 except I specified WMI namespace=root\SecurityCenter2. This time, WMI Object Browser complained that "the selected classes do not have instances" when I tried to select the FirewallProduct class.
Win7_2.jpg - (Win7, SEP 11.0.7200.1157) - So, I tried using WMI CIM Studio (from Microsoft WMI Administration Tools) to access namespace=root\SecurityCenter2, class=FirewallProduct. This tool showed a few properties for the class, but they were empty (no values).
f448fe82f3