What is vegur appearing in HTTP headers?

On some websites there are the following headers which consist vegur, e.g.

Via: 1.1 vegur

In here (check the headers) and also in that post.

I've tried to look for it, but I couldn't find it. Is this is generated by Varnish, some kind of reverse proxy or it's something else?

2

2 Answers

It's a Heroku proxy/load-balancer adding the Via header.

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See: Vegur at GitHub.

Heroku's proxy library based on a forked Cowboy frontend (Cowboyku). This library handles proxying in Heroku's routing stack.

2

The via header shows proxies and their names. In this case, the client went through a proxy called "vegur" - either its software or the computer name.

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