How to Install and Uninstall libfko3 Package on Ubuntu 21.04 (Hirsute Hippo)

Last updated: May 11,2024

1. Install "libfko3" package

Please follow the step by step instructions below to install libfko3 on Ubuntu 21.04 (Hirsute Hippo)


    
        
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                sudo apt update
            
                    
    
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                sudo apt install
            
                        
                libfko3
            
                    
    
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2. Uninstall "libfko3" package

In this section, we are going to explain the necessary steps to uninstall libfko3 on Ubuntu 21.04 (Hirsute Hippo):


    
        
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                sudo apt remove
            
                        
                libfko3
            
                    
    
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                sudo apt autoclean && sudo apt autoremove
            
                    
    
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3. Information about the libfko3 package on Ubuntu 21.04 (Hirsute Hippo)

Package: libfko3
Architecture: amd64
Version: 2.6.10-12
Multi-Arch: same
Priority: extra
Section: universe/libs
Source: fwknop
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Francois Marier
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 129
Depends: libc6 (>= 2.14), libgpgme11 (>= 1.2.0)
Breaks: libfko2
Replaces: libfko2
Filename: pool/universe/f/fwknop/libfko3_2.6.10-12_amd64.deb
Size: 42472
MD5sum: 54f34c3ec4f5d9a635725c5a0e380c90
SHA1: d5e8bbff98579ba251875e401982003dd7ac6897
SHA256: 0da9919d22efea06f6daff0a2b3b0a4d384cccf078299fd6c2a5372cf145711a
SHA512: 4e3d50dbe2abf8b71dc092ca0b1e0660c21efd746473ee2b65f9f601d4b8743c25384ea722743fa8bb329921edcc38e79a890e331d50ba3819890e2fc21d4566
Homepage: https://www.cipherdyne.com/fwknop/
Description-en: FireWall KNock OPerator - shared library
The FireWall KNock OPerator implements an authorization scheme called
Single Packet Authorization (SPA), based on Netfilter and libpcap.
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Its main application is to protect services such as OpenSSH with
an additional layer of security in order to make the exploitation of
vulnerabilities (both 0-day and unpatched code) much more difficult.
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The authorization server passively listens for authorization packets via
libpcap, so there is no service listening for network connections on the
traditional port. Access to a protected service is only granted after a
valid encrypted and non-replayed packet is detected.
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This package provides the runtime library for fwknop (written inC).
Description-md5: d7677983ff3ab8b9d2cf206fa9f0dadc