How to Install and Uninstall fwknop-server Package on Ubuntu 20.10 (Groovy Gorilla)

Last updated: May 10,2024

1. Install "fwknop-server" package

Learn how to install fwknop-server on Ubuntu 20.10 (Groovy Gorilla)


    
        
            $
        

        
            
                sudo apt update
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt install
            
                        
                fwknop-server
            
                    
    
    Copied

2. Uninstall "fwknop-server" package

Please follow the guidelines below to uninstall fwknop-server on Ubuntu 20.10 (Groovy Gorilla):


    
        
            $
        

        
            
                sudo apt remove
            
                        
                fwknop-server
            
                    
    
    Copied


    
        
            $
        

        
            
                sudo apt autoclean && sudo apt autoremove
            
                    
    
    Copied

3. Information about the fwknop-server package on Ubuntu 20.10 (Groovy Gorilla)

Package: fwknop-server
Architecture: amd64
Version: 2.6.10-11
Priority: optional
Section: universe/admin
Source: fwknop
Origin: Ubuntu
Maintainer: Ubuntu Developers
Original-Maintainer: Francois Marier
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 246
Pre-Depends: init-system-helpers (>= 1.54~)
Depends: iptables, libfko3 (= 2.6.10-11), lsb-base (>= 3.0-6), libc6 (>= 2.15), libpcap0.8 (>= 0.9.8)
Suggests: fwknop-apparmor-profile
Filename: pool/universe/f/fwknop/fwknop-server_2.6.10-11_amd64.deb
Size: 84284
MD5sum: d6a71ba32f343f28bec3e846f4e679e5
SHA1: 5189b449ab03cb4f0cda3050dd4825f17340b58b
SHA256: e78479c90fb59c5af091e5a66573ed13fa5f3fa6c30a2c09d84ab37534c2b7b8
SHA512: 88d6164895f23fdba11bd733f66493b2b8e00bf7b11849f2d3ac5f4d857be1e1a4570ef7754838d1679a1ff67b9e23f2d1b94cc7cf90d0dce6059b82b5eaf7f2
Homepage: https://www.cipherdyne.com/fwknop/
Description-en: FireWall KNock OPerator server side - C version
The FireWall KNock OPerator implements an authorization scheme called
Single Packet Authorization (SPA), based on Netfilter and libpcap.
.
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.
.
The authorization server passively listens for authorization packets via
libpcap, thus preventing any connections from being processed on the
traditional port. Access to a protected service is only granted after a
valid encrypted and non-replayed packet is detected.
Description-md5: c694b7b8c77e0124be3c4eafe1bebec8