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feat: syn/tcpconnect flood / dos détection

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Oxbian
2024-11-20 21:38:37 -05:00
parent a1dcee53a1
commit d64f7283de
12 changed files with 147 additions and 18 deletions
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7
idps/tcp.py
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@ -34,7 +34,6 @@ class TCP:
i, ip = self.find_packet_to_replace(ip_src, port_src, ip_dst, port_dst, "S")
if i is not None:
print(f"i: {i}, {ip_src}:{port_src}->{ip_dst}:{port_dst}, paquets: \n{self.packets}")
self.packets[ip][i][3].append("SA")
self.packets[ip][i][4] = timestamp
return
@ -48,7 +47,6 @@ class TCP:
i, ip = self.find_packet_to_replace(ip_src, port_src, ip_dst, port_dst, "R")
if i is not None:
print(f"i: {i}, {ip_src}:{port_src}->{ip_dst}:{port_dst}, paquets: \n{self.packets}")
self.packets[ip][i][3].append("A")
self.packets[ip][i][4] = timestamp
return
@ -63,7 +61,6 @@ class TCP:
i, ip = self.find_packet_to_replace(ip_src, port_src, ip_dst, port_dst, "S")
if i is not None:
print(f"i: {i}, {ip_src}:{port_src}->{ip_dst}:{port_dst}, paquets: \n{self.packets}")
self.packets[ip][i][3].append("RA")
self.packets[ip][i][4] = timestamp
return
@ -78,7 +75,6 @@ class TCP:
i, ip = self.find_packet_to_replace(ip_src, port_src, ip_dst, port_dst, "S")
if i is not None:
print(f"i: {i}, {ip_src}:{port_src}->{ip_dst}:{port_dst}, paquets: \n{self.packets}")
self.packets[ip][i][3].append("R")
self.packets[ip][i][4] = timestamp
return
@ -90,7 +86,6 @@ class TCP:
i, ip = self.find_packet_to_replace(ip_src, port_src, ip_dst, port_dst, "A")
if i is not None:
print(f"i: {i}, {ip_src}:{port_src}->{ip_dst}:{port_dst}, paquets: \n{self.packets}")
self.packets[ip][i][3].append("F")
self.packets[ip][i][4] = timestamp
return
@ -98,8 +93,6 @@ class TCP:
self.packets[ip_src].append([port_src, ip_dst, port_dst, ["F"], timestamp])
return
# TODO: ajout flag fin, none, fin urg push
def find_packet_to_replace(self, ip_src, port_src, ip_dst, port_dst, flags):
"""Cherche l'indice et le port de source du paquet dont le flag doit être remplacé"""