Why are so many firewalls enabeled?

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1. Your Parrot information

  • OS version: run cat /etc/*release
    ```
    DISTRIB_ID=Parrot
    DISTRIB_RELEASE=4.11
    DISTRIB_CODENAME=rolling
    DISTRIB_DESCRIPTION=“Parrot OS 4.11”
    PRETTY_NAME=“Parrot OS 4.11”
    NAME=“Parrot OS”
    ID=parrot
    ID_LIKE=debian
    VERSION=“4.11”
    VERSION_ID=“4.11”
    HOME_URL=“https://www.parrotsec.org/
    SUPPORT_URL=“https://community.parrotsec.org/
    BUG_REPORT_URL=“https://community.parrotsec.org/

     ```
    
  • Kernel version: run uname -a
    ```
    Linux parrot 5.10.0-6parrot1-amd64 #1 SMP Debian 5.10.28-6parrot1 (2021-04-12) x86_64 GNU/Linux

      ```
    

4. How did you get this error? Are there any steps to procedure it?

reboot the machine && open Firefox (or another browser)

6. If you have any idea or suggestion about this issue please tell us

** I do assume that there is still a firewall active, however I don’t know how to find out which one it is. I already found and deactivated ufw and opensnitch **

To recapitulate: After rebooting my machine, I cannot access the internet without running following commands:

sudo iptables -F INPUT
sudo iptables -F OUTPUT

sudo ip6tables -F INPUT
sudo ip6tables -F OUTPUT

###Therefore I assume that there still is a firewall active. I already found and deactivated ufw and opensnitch.

How do I find out which firewall is still running or what I can do to permanently stop it from working?

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