# Nil usage errors in un-self-deleting posts
**URL:** https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066
**Category:** Support
**Created:** [2015 年 3 月 6 日午後 1:04 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066 "2015-03-06T13:04:20Z")
**Posts on this page:** 7
**Page:** 2
### Author:  [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [2015 年 3 月 7 日午後 9:24 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/22 "2015-03-07T21:24:07Z")
I wonder if the do not transform header @DeanMarkTaylor was lobbying for would help here…
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### Author:  [@riking](https://meta.discourse.org/u/riking)
#### Post date: [2015 年 3 月 7 日午後 10:31 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/23 "2015-03-07T22:31:45Z")
Nah, it’s this issue again:
[https://meta.discourse.org/t/problem-when-logging-out-of-discourse-and-more/17781/22?u=riking](https://meta.discourse.org/t/problem-when-logging-out-of-discourse-and-more/17781/22)
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### Author:  [@meke](https://meta.discourse.org/u/meke)
#### Post date: [2015 年 3 月 7 日午後 11:05 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/24 "2015-03-07T23:05:34Z")
No proxy here! Using the no proxy setting in Firefox. It is Windows, so I won’t say that I’m not getting routed into oblivion though. I really do wonder if it has to do with my ISP being bananas.
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### Author:  [@codinghorror](https://meta.discourse.org/u/codinghorror)
#### Post date: [2015 年 3 月 7 日午後 11:28 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/25 "2015-03-07T23:28:20Z")
If you have tried a different browser, then it is either software on your computer (try your phone) or your ISP modifying http requests somehow.
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### Author:  [@DeanMarkTaylor](https://meta.discourse.org/u/DeanMarkTaylor)
#### Post date: [2015 年 3 月 7 日午後 11:46 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/26 "2015-03-07T23:46:34Z")
If the problem occurs every time - then you could try connecting via a VPN to test.
Connecting via a VPN should prevent your ISP from modifying the page content.
[TunnelBear](https://www.tunnelbear.com/) provides you with 500MB for free each month, remember to disconnect after testing:
> **[TunnelBear: Secure VPN Service](https://www.tunnelbear.com/)**
>
> Really simple VPN to browse the web privately & securely. Unblock websites around the world with applications for Mac, PC, iOS, Android & Chrome.
For reference purposes here is `no-transform` feature request @codinghorror thought might be releated:
> [@Add \`Cache-Control "no-transform"\` HTTP header](https://meta.discourse.org/t/add-cache-control-no-transform-http-header/25152):
>
> Continuing the discussion from [JavaScript Uncaught ReferenceError: bmi\_load is not defined](https://meta.discourse.org/t/javascript-uncaught-referenceerror-bmi-load-is-not-defined/25129/3): Accessing a Discourse site via UK 3G/GPRS providers causes HTML content to be modified and JavaScript errors to be introduced. Adding Cache-Control "no-transform" header for HTML results would resolve this. However this might have other ramifications in terms of intermediate caching servers, but as long as this isn’t included on the image files it shouldn’t have that much of an effect other than preven…
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### Author:  [@meke](https://meta.discourse.org/u/meke)
#### Post date: [2015 年 3 月 9 日午前 10:06 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/27 "2015-03-09T10:06:52Z")
I went ahead and just agreed to whatever popups comcast was throwing at me and the error resolved itself. Comcast was indeed altering the content of what was going across the line. Thanks for all of the help, sorry I couldn’t troubleshoot this using the search button a little better!
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### Author:  [@sam](https://meta.discourse.org/u/sam)
#### Post date: [2015 年 3 月 9 日午前 10:08 UTC](https://meta.discourse.org/t/nil-usage-errors-in-un-self-deleting-posts/26066/28 "2015-03-09T10:08:07Z")
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