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Advanced Proxy Settings

Skilled_Extractor | Last updated: Sep 01, 2017 06:39AM UTC

I asked the following query a couple of days back: - I want to access a server which is in a different part of the globe. If I access to the server, I get an error of being outside of that country. If I use fiddler and add a simple flag of "X-override Gateway" in the script, I am able to access the application. So, in Burp Suite I changed the upstream proxy settings , still I am getting an error of being outside the country. I even tried by using SOCKS proxy but I was not successful. How do I override the Gateway using Burp Suite? To which the reply was: You should be able to do this using March and Replace rules. Go to Proxy > Options > Match and Replace. Then Add a rule, leave type as Request Header, leave Match blank, and set Replace to “X-override Gateway” (use exactly what worked in Fiddler). My query again after doing the above settings: - The script that was added in fiddler's rules file was: - oSession["x-OverrideGateway"] = "49.212.53.102:11857"; It was added in the function "OnbeforeRequest". So, this setting takes place before generating every request and not during request. I tired by changing type to "Request First Line" but Burp is uncountering an unknown error. How do I achieve this in Burp?

Liam, PortSwigger Agent | Last updated: Sep 01, 2017 08:36AM UTC

Match and replace rules are applied before Burp issues the request. Create a match and replace rule that adds the "X-override Gateway" and leave type set as "Request Header".

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