diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/middleware/remote_ip.rb')
-rw-r--r-- | actionpack/lib/action_dispatch/middleware/remote_ip.rb | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/actionpack/lib/action_dispatch/middleware/remote_ip.rb b/actionpack/lib/action_dispatch/middleware/remote_ip.rb index 8bae5bfeff..53d5a4918c 100644 --- a/actionpack/lib/action_dispatch/middleware/remote_ip.rb +++ b/actionpack/lib/action_dispatch/middleware/remote_ip.rb @@ -157,13 +157,13 @@ module ActionDispatch def ips_from(header) # :doc: return [] unless header - # Split the comma-separated list into an array of strings + # Split the comma-separated list into an array of strings. ips = header.strip.split(/[,\s]+/) ips.select do |ip| begin - # Only return IPs that are valid according to the IPAddr#new method + # Only return IPs that are valid according to the IPAddr#new method. range = IPAddr.new(ip).to_range - # we want to make sure nobody is sneaking a netmask in + # We want to make sure nobody is sneaking a netmask in. range.begin == range.end rescue ArgumentError nil |