Qatar, Payment gateway issues behind Firewalls

Several companies issue problems with Payment gateways in Qatar, sites like ecustoms and other goverment payments.  Please follow these steps

Sonicwall settings

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Please do the setting as below.

Goto Menu

Firewall settings -> Flood Protection

On TCP settings check "Enforce strict TCP compliance with RFC 793 and RFC 1122"

See the pictures below.

After that , clear Cache of the Broswer.  

For Palo alto , please see the following screenshot