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Patil, Kapil (2019) Securing Remote access communications using Deep packet Inspection. Masters thesis, Dublin, National College of Ireland.
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Abstract
Securing organizational or individual data is critical in today’s digitized world. Each day comes with a new attack and depending on the attack; countermeasures are set in organizations to mitigate the attacks. As technology is evolving various security solutions are proposed to be a hack-proof organization. Where some organizations are focusing on Deep-packet inspection that can be added to the Firewalls while others are believing in the Host-based IDS (Intrusion detection system) and also the organizations which are dealing with web services are working on the WAF (Web application firewall).For remote access, SSH (Secure-shell) and Telnet are being used to get remote access to servers or applications. Moreover, SSH uses encrypted mode to access resources remotely and also, sends its traffic by using an encrypted tunnel. There is another method called “SSH Tunneling” by which an attacker or any internal user from any organization can breach the data by spoofing the firewall. In this work, deep packet inspection is done to detect the SSH Tunnel by using an open-source firewall which is integrated with customized script.
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