Cycles X-Forwarded-For Header from a set of configured IP addresses.

X-Cycle promo image
What is X-Cycle?

X-Cycle is a Chrome extension by Fanen A.. This extension has 220 active users, a good user rating of 4.50, and was removed from Chrome Web Store a year ago. The latest version, 0.2.0, was updated 8 years ago.

This extension was removed from Chrome Web Store on 2022-10-08
By: Fanen A.
Users: 220
Rating: 4.50 (8)
Version: 0.2.0 (Last updated: 2016-02-08)
Creation date: 2016-02-05
Risk impact: High risk impact
Risk likelihood: High risk likelihood
Manifest version: 2
  • activeTab
  • webRequest
  • webRequestBlocking
  • storage
  • http://*/*
Size: 59.75K
Stats date:

Other platforms

Not available on Firefox
Not available on Edge
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Similar to ModHeaders, but less static.

Configure a Target IP address or Hostname, and a List of IP addresses.

This extension will pick one IP address from the list and insert it into requests to the target server as the value of the X-Forwarded-For header.

This is geared towards testers of Web Application Firewalls, where you need to generate traffic that looks like it's coming from different IP addresses. Normally, servers do not trust XFF that is not set by their DMZ, so you will need to configure your WAF to accept untrusted XFF first. I found it particularly useful in Testing F5's Application Security Manager Software.

[What's New] [v0.2.0]

  • bug fixes.
User reviews
It really works for Synology IP block.
by Alin CALINCIUC Alin CALINCIUC, 2018-04-03

This is brilliant and exactly what I've been looking for. Thanks Fanen!!
by Ashwin Venkat Ashwin Venkat, 2016-07-14
View all user reviews
Risk impact

X-Cycle is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this extension. Review carefully before installing. We recommend that you only install X-Cycle if you trust the publisher.

Risk likelihood

X-Cycle may not be trust-worthy. Avoid installing if possible unless you really trust this publisher.

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