TCP Attacks


[L4] SYN Flood

How does this attack type works ?

  • Basically, this attack is meant to consume all available server resources, by overwhelming the control/state tables of the target host OS.

What does it means in practical terms ?

  • Within this attack type, generally your server will just become unavailable for any type of external request that try to legitimately connect to any of your services.
  • Many connection attempts are forged, confusing the host, making it believe that many of requests are real requests making it to serve to them up to its limit.
  • In this case, while this attack is being performed, you will notice a high cpu, network and memory usage. In any packet sniffer such as wireshark, the packets will contain the SYN flag in all them.
  • The zombie bots in the example, can either be infected regular user computers or compromised servers in any organization.
  • You can learn more about this tcp attack : clicking here

  • TCP Attack (SYN Flood)


[L4] ACK / PUSH Flood

How does this attack type works ?

  • Similar to an UDP Flood, this attack is aimed at consuming the most bandwidth as possible in the target host.

What does it means in practical terms ?

  • You will notice from just a bandwidth utilization up to entire networking capacity being used in the target host.
  • There must be lag spikes, higher response times and disconnections caused during this type of attack, due to lack of networking bandwidth.
  • There won’t be a higher cpu utilization, except in cases where the amount of received packets, may exceed the system I/O capabilities.
  • The zombie bots in the example, can either be infected regular user computers or compromised servers in any organization.

  • TCP Attack (ACK / PUSH Flood)


[L4] FIN / RST Flood

How does this attack type works ?

  • Used to cause light overwhelming of control state tables of the target host OS.

What does it means in practical terms ?

  • There is a chance where in case the attacker guesses users IPs and sequences to randomly start disconnecting them.
  • There won’t be a higher cpu utilization, except in cases where the amount of received packets, may exceed the system I/O capabilities.
  • The zombie bots in the example, can either be infected regular user computers or compromised servers in any organization.

  • TCP Attack (FIN/ RST Flood)


[L4/L7] Socket Flood

How does this attack type works ?

  • Used to flood an application or OS socket pool in the target host, until it becomes full and unavailable.

What does it means in practical terms ?

  • The application pool, will get full, causing it to crash or not accept any other connections during the event.
  • Can cause the target host stack/pool to get full, up to the point it will not accept any connection from the outside at all.
  • The zombie bots in the example, can either be infected regular user computers or compromised servers in any organization.

  • TCP Attack (Socket Flood)


How can you solve the DDoS Attacks ?

It is easy, we have specializing engineers in the DDoS Mitigation area !

  • We are used to solve these types of attack daily with our customers, with our automated systems !

What does it means in practical terms ?

  • Generally these DDoS Attacks are solved with a quad stage mitigation system as shown in the picture.
  • There aren’t any noticeable latency constraints with the usage of our DDoS Mitigation technology.
  • We have a large know-how in this area, which means you can be safe, that whenever a new issue raises our team will be able to solve it !

  • DDoS Mitigation

HyperFilter DDoS Protection SolutionsHyperFilter DDoS Protection Solutions
2013-08-25 17:00:31+00:00
2016-09-18 10:07:28+00:00