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ASA 5515 cannot access to various WEBSITES

Hello everybody,

 

I have setup an ASA 5515 to replace an old ASA5520. I have done all configurations needed and install the equipment but I have some trouble with access to various websites.

From my DMZ I have no problem to access to internet.

No problem to access to websites below.

 

From my lan I have some problem to access to some sites like : voila.fr, leboncoin.com etc

DNS working good and returned me the good IP of the servers, but not able to connect to them.

I have tried to ping it, and it is not possible to ping that sites (name or IP) . For all others sites which works right, I am able to ping it ( name or IP)

I have not setup only one ACL to my interface lan permit ip 10.8.X.X 255.255.255.0 any.

Security level of outside interface 0 , lan interface 70, dmz interface 70

My lan is on a subinterface on my ASA 5515 shared with 2 others sub-interface for toip and another lan.

 

I have done configuration in cli mode but I have installed ASDM to check everything.

The only thing that appears weird is that on TOP 10 Protected servers under SYN attack, I can see the Ip address of website that I cannot access.

 

Could you help me pls.

 

 

 

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Do you have an IPS in the

Do you have an IPS in the network?

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