4.4. Other servers¶

The Fedora Security Lab Test bench is hosting some services which are usualy not found on public accessible systems. telnet was replaced with more secure systems. Nowadays tftp is mainly used for provisioning VoIP installations. Print servers like cups are used in office environments.

To give the students the possibility to work with VPN, an OpenVPN setup with a static key is included.

• openssh (Port 22) encrypts communication sessions over a computer network using the SSH protocol
• dropbear (Port 222) is a lightweight SSH server
• telnet (xinetd) supports bidirectional interactive text-oriented communication
• tftp (xinetd) is a single port TFTP Server based on Trivial File

Transfer Protocol * OpenVPN server with a static key * cups is a standards-based printing system * ngircd is a lightweight Internet Relay Chat server

The tftp server is serving a simple text file.

[fab@laptop011 hhs-tb]$ ls
[fab@laptop011 hhs-tb]$ tftp 10.0.0.64
tftp> get info.txt
tftp> quit
[fab@laptop011 hhs-tb]$ ls
info.txt