Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.00 vteřin. 
Optimization of the Suricata IDS/IPS
Šišmiš, Lukáš ; Fukač, Tomáš (oponent) ; Korček, Pavol (vedoucí práce)
The recent rapid increase of network traffic bandwidth has sprung new challenges in securing the network. It is vital to keep monitoring the traffic to securely identify threats in the network. Systems like IDS (intrusion detection systems) alert us about events in the analyzed traffic. Suricata , as one of the available IDS, was chosen for this thesis. The ultimate goal of the thesis is to tune settings of AF_PACKET capture interface to reach the best performance possible and then suggest and implement an optimization for Suricata . Results of the AF_PACKET should be used as a baseline for comparison with future improvements. Optimization is based on implementing a new capture interface to Suricata that is based on Data Plane Development Kit ( DPDK ). DPDK helps to accelerate packet capture and this implies that it might improve the performance of Suricata . Results that compare AF_PACKET and DPDK performance are evaluated at the end of this master thesis.
Optimization of the Suricata IDS/IPS
Šišmiš, Lukáš ; Fukač, Tomáš (oponent) ; Korček, Pavol (vedoucí práce)
The recent rapid increase of network traffic bandwidth has sprung new challenges in securing the network. It is vital to keep monitoring the traffic to securely identify threats in the network. Systems like IDS (intrusion detection systems) alert us about events in the analyzed traffic. Suricata , as one of the available IDS, was chosen for this thesis. The ultimate goal of the thesis is to tune settings of AF_PACKET capture interface to reach the best performance possible and then suggest and implement an optimization for Suricata . Results of the AF_PACKET should be used as a baseline for comparison with future improvements. Optimization is based on implementing a new capture interface to Suricata that is based on Data Plane Development Kit ( DPDK ). DPDK helps to accelerate packet capture and this implies that it might improve the performance of Suricata . Results that compare AF_PACKET and DPDK performance are evaluated at the end of this master thesis.
Nástroj pro odposlech obsahu komunikace
Zima, Štefan ; Kajan, Michal (oponent) ; Polčák, Libor (vedoucí práce)
Táto práce je zaměřena na tvorbu nástroje pro odposlech obsahu síťové komunikace. Rozebíra problematiku zákonných odposlechů a techniky urýchlení zpracování příchozího provozu v prostředí operačního systému Linux. Zaměřuje se na implementační techniky s využitím knihovny PF_RING. Aplikace je implementovaná v jazyce C a pak testována na komoditním hardvéru s využitim generátoru provozu.

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