On 6th & 7th November 2017 there was a 2nd edition of Security Pwning conference held in Warsaw and, like the last time (link1 [https://ctfs.ghost.io/security-pwning-ctf-by-p4/], link2 [https://ctfs.ghost.io/security-pwning-ctf-by-p4-cont/]), there was a CTF organized by the P4 team [https://pwning2017.p4.team]. This year I