l7-filter-userspace software package provides Userspace layer 7 packet classifier, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install l7-filter-userspace
l7-filter-userspace is installed in your system.
Make ensure the l7-filter-userspace package were installed using the commands given below,
$ sudo dpkg-query -l | grep l7-filter-userspace *
You will get with l7-filter-userspace package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Network |
| Package | l7-filter-userspace |
| Version | 0.12-beta1-1 |
| Description | Userspace layer 7 packet classifier |
| Sub Section | Net |