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06 Oct, 2011 10:56 PM
We are behind a corporate firewall which blocks pretty much
everything going out to the internet. Unfortunately our firewall is
based on IP and not hostnames. We are trying to download some gem
files but it looks like some of the files are on servers with a
different IP, so they are being filtered out. Is there a list of IP
addresses associated with rubygems.org what we can add to the
access list on our firewall?
2 Posted by Eric Hodel on 10 Oct, 2011 05:40 PM
RubyGems connects to rubygems.org and Amazon Cloudfront so you
will need to allow access to both sites. The IP addresses of Amazon
Cloudfront are not under RubyGems' control.
Additionally, I just wrote:
Which describes how to install gems when the target machine has
no network connectivity.
3 Posted by adborns on 18 Jul, 2014 05:31 PM
I'm having a similar issue getting around our company proxy
$ gem install rails --http-proxy http://me:password[at]proxy.ser.ver/proxy.pac:80
ERROR: Could not find a valid gem 'rails' (>= 0) in any
ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError)
bad response Not Found 404 (http://rubygems.org/latest_specs.4.8.gz)
Any suggestions on these errors?
4 Posted by Eric Hodel on 18 Jul, 2014 06:59 PM
Your proxy URL is not a proxy URL but a proxy auto
configuration. You'll need to extract the proxy server URL from
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