The menace came from below - Hack.lu

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$\H1B%-12345X@PJL JOB “HackingPrinters”$

Protection for Netfilter We only have to use the rp_filter feature. It is available since last century in all Linux kernel. Disabled by default. Enabled by all decent firewall scripts. To activate it: echo " 1 " > / proc / sys / net / ipv4 / conf / a l l / r p _ f i l t e r Wait Éric Leblond, Victor Julien (OISF) The menace came from below Hack.lu 2012 33 / 66
Protection for Netfilter We only have to use the rp_filter feature. It is available since last century in all Linux kernel. Disabled by default. Enabled by all decent firewall scripts. To activate it: echo " 1 " > / proc / sys / net / ipv4 / conf / a l l / r p _ f i l t e r Wait and for IPv6? Éric Leblond, Victor Julien (OISF) The menace came from below Hack.lu 2012 33 / 66
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The menace came from below Éric Le
Page 3 and 4:
Victor Julien a.k.a Inliniac Dutch
Page 5 and 6:
Suricata Features High performance,
Page 7 and 8:
1 Introduction Netfilter and the Co
Page 9 and 10:
Netfilter Definition Packet filteri
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Application Level Gateway Non-linea
Page 13 and 14:
The example of FTP FTP client Logge
Page 15 and 16:
The example of FTP FTP client Logge
Page 17 and 18:
Details of Netfilter implementation
Page 19 and 20:
Do I use helpers? What happens if I
Page 21 and 22:
Do I use helpers? What happens if I
Page 23 and 24:
Global analysis Sane defaults Dange
Page 25 and 26: FTP analysis If we follow RFC (loos
Page 27 and 28: IRC analysis The DCC command DCC co
Page 29 and 30: Using DCC command Client NATed behi
Page 31 and 32: Using DCC command Client NATed behi
Page 33 and 34: Demonstration of DCC usage Video Le
Page 35 and 36: Objective Determine if it is possib
Page 37 and 38: Attack description Existing attacks
Page 39 and 40: Attack description Existing attacks
Page 41 and 42: Attack description for FTP 1 The at
Page 47 and 48: Demonstration on Netfilter Video É
Page 49 and 50: Policy violation We’ve manage to
Page 51 and 52: Policy violation We’ve manage to
Page 53 and 54: Counter-measures Anti-spoofing is s
Page 55 and 56: Counter-measures Anti-spoofing is s
Page 57 and 58: Checkpoint setup Checkpoint absolut
Page 59 and 60: Demonstration setup Éric Leblond,
Page 61 and 62: Demonstration setup Let’s do a fi
Page 63 and 64: Demonstration Video Let’s have a
Page 65 and 66: Policy violation One managed to ope
Page 67 and 68: There is no problem Swift reaction
Page 69 and 70: Others protocols IRC As discussed b
Page 71 and 72: 1 Introduction Netfilter and the Co
Page 73 and 74: Protection for Netfilter We only ha
Page 75: Protection for Netfilter We only ha
Page 79 and 80: Protection for Netfilter We only ha
Page 81 and 82: IPv6 protection for Netfilter Since
Page 83 and 84: IPv6 protection for Netfilter The b
Page 85 and 86: Suricata Rules Largely compatible w
Page 87 and 88: Suricata Rules Largely compatible w
Page 89 and 90: Counter measures on Suricata FTP in
Page 91 and 92: Detecting overlapping data Rule Att
Page 93 and 94: Detect FTP injection - step 1 Rule
Page 95 and 96: Detect FTP injection - step 3 Rule
Page 97 and 98: Detect FTP injection - port Rule In
Page 99 and 100: Luajit script Simplified Script f u
Page 101 and 102: Protocol analysis: a difficult task
Page 103 and 104: Example of nDPI History Originally
Page 105 and 106: Causing recognition mistake Evading
Page 107 and 108: Don’t mess with the server Issue
Page 109 and 110: Implementing the attack in opensvp
Page 111 and 112: Attack on nDPI Test used Injection
Page 113 and 114: Detecting very low TTL Example TTL
Page 115 and 116: Future changes in Suricata We’re
Page 117 and 118: Using low layer to attack Low layer
Page 119 and 120: SNMP: Security is Not My Problem Ke
Page 121 and 122: Questions Thanks to Do you have any
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The menace came from below - Hack.lu

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