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Web Application Firewall / Reverse Proxy: QoS or Rate Limit HTTP/S requests

Sam Malone

I am discovering that at times, our web servers behind the UTM's reverse proxy get overloaded with too many HTTP/S requests.  I'm curious to know if there is a way to rate limit HTTP/S requests from a certain IP address - say, not more than 20-40 requests/sec.  I know there is TCP/UDP/ICMP flood protection settings, but I'm thinking of a smarter rate limiter (during L7 HTTP packet inspection & URI forwarding).  I did not find any options in the Webserver Protection section - in the Firewall Profiles nor the Site Path Routing tabs.  Should I be looking in another spot, or is this not possible?

Cheers!

SAM



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    The only thing I can think of, SAM, is a Download Throttling rule by source.  That won't work though if the servers also receive uploads and not just requests.

    This sounds like a great idea.  You should make a suggestion at Ideas.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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  • 0

    The only thing I can think of, SAM, is a Download Throttling rule by source.  That won't work though if the servers also receive uploads and not just requests.

    This sounds like a great idea.  You should make a suggestion at Ideas.

    Cheers - Bob

     
    Sophos UTM Community Moderator
    Sophos Certified Architect - UTM
    Sophos Certified Engineer - XG
    Gold Solution Partner since 2005
    MediaSoft, Inc. USA
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