Can the PAN device block HTTP Dos Attacks?

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Can the PAN device block HTTP Dos Attacks?

Not applicable

Hello Guys,

I'm going to do some service availability test in the near future. We can't get any information of the attack pattern. The only information we know is that the tester will conduct these attack.

  • HTTP CC(cache-control) attack
  • Slowloris attack
  • Http post attack
  • Http Hash dos attack

I'm afraid that those attack patterns seem to be normal for the PAN device (It's like brute force attack, working base on the threshold value)

I've heard that the best way to block these kinds of attacks is the setting server's timeout value or  threshold value.

But I have to find out some way to do this job with PAN.

Can we block those attack with IPS Dos Signature or Custom Signature?  If we can, does anyone know how set-up to the custom signature for those attacks?



Accepted Solutions

Hi hjlee.

You can make a custom signature easily using as below info

스크린샷 2013-06-27 11.24.41 AM.png

But It's not important thing in real world because 7.7 DDOS attack of Korea was not related certainly above and HTTP Get flooding and UDP flooding that made it.




View solution in original post


L4 Transporter


you can found explanation for DOS protection by paloalto with this doc

but there is no information in this doc about HTTP DDOS.

I'm interresting in hhtp ddos too

http ddos could be limited by rate limiting

L5 Sessionator

Ref : Resources Protection Page : 38 and

Appendix 😧 Slow HTTP Test Output

Not applicable

I think these attacks can exhaust server resource with normal Http transaction, and before the the server reaches its max concurrent connection limits, its resource worn out ..

And PA's Dos Protection uses Layer 3~4 information, those attacks are based on Layer 7 information (Http get, post value etc...). In my opinion I should be able to set up Http get method threshold.

You right about get flood,  but when a get request is sent you sent a tcp request and it 's why if you implement rate limiting you minimize the impact of this kind of attack

see how to implement QOS

I've found one IPS signatures which can block HTTP Slowloris attack.. :smileygrin:

Attack NameHTTP: Apache Denial Of Service Attempt
DescriptionThis event indicates that someone want to exhaust the apache resources, as described by slowloris.
Threat ID40018

good to know!!

I think it's not exact for your case. HTTP: Apache DOS signature that triggered only 40 times in 60 second and only Apache related case. In my case I created a Custom Signature for HTTP post, CC that blocked in security rule while having BMT.

Dear My Lovely Roh..

Can you send me the custom signature information that you used for the BMT? :smileygrin:

Thanks ahead..

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