How To Install ocproxy on CentOS 8

ocproxy is OpenConnect Proxy

Introduction

In this tutorial we learn how to install ocproxy on CentOS 8.

What is ocproxy

OCProxy is a user-level SOCKS and port forwarding proxy for OpenConnect based on lwIP. When using ocproxy, OpenConnect only handles network activity that the user specifically asks to proxy, so the VPN interface no longer “hijacks” all network traffic on the host.

We can use yum or dnf to install ocproxy on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install ocproxy.

Install ocproxy on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install ocproxy using dnf by running the following command:

sudo dnf -y install ocproxy

Install ocproxy on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install ocproxy using yum by running the following command:

sudo yum -y install ocproxy

How To Uninstall ocproxy on CentOS 8

To uninstall only the ocproxy package we can use the following command:

sudo dnf remove ocproxy

ocproxy Package Contents on CentOS 8

/usr/bin/ocproxy
/usr/bin/vpnns
/usr/lib/.build-id
/usr/lib/.build-id/32
/usr/lib/.build-id/32/8b8173d06995c36f5d02e5aeb677f3acc0251c
/usr/lib/.build-id/79
/usr/lib/.build-id/79/d4dc220dd8d209a064c82f92f5f36c52e91280
/usr/share/doc/ocproxy
/usr/share/doc/ocproxy/CHANGES
/usr/share/doc/ocproxy/README.md
/usr/share/licenses/ocproxy
/usr/share/licenses/ocproxy/LICENSE
/usr/share/man/man1/ocproxy.1.gz
/usr/share/man/man1/vpnns.1.gz

References

Summary

In this tutorial we learn how to install ocproxy on CentOS 8 using yum and dnf.