Bypass the url filtering

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Bypass the url filtering

L0 Member

Hi everyone

Can bypass the url filtering by changing the URL in HTTP get request ?
For example
Firewall rule deny connect to url deny.com and allow url allow.com
User try to connect to deny.com with IP adress a.b.c.d, user add item the host file or using plugin/extension of browsers to change http request to allow.com but destination ip address in packet is a.b.c.d
Firewall will allow the request, so user can connect to deny.com by IP address ?

Thanks

2 REPLIES 2

L3 Networker

For HTTPS the firewall can categorise it based on the certificate CN received, which is not something the client can falsify.

 

For plaintext HTTP traffic, the only information available is the HTTP host header, so it will be categorised based on that.

Sr. Technical Support Engineer, Strata

Thank you for reply. Could you share some more detail information ?

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