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Reply to topic   Topic: Proper Syntax For White Listing IPs Using "Require IP&q
Author
apishdad



Joined: 01 Jul 2019
Posts: 39
Location: Canada, Toronto

PostPosted: Fri 04 Jun '21 5:43    Post subject: Proper Syntax For White Listing IPs Using "Require IP&q Reply with quote

I am trying to limit connection to my proxy server through ip white listing and have difficulty putting the proper range of ip's.

I know the "Require ip" syntax from Apache documentation here :

http://httpd.apache.org/docs/current/mod/mod_authz_core.html#require

But the one example that they have is a bit vague to me.

So my requirements are to whitelist these IP's

173.245.48.0/20
103.21.244.0/22

is the following syntax valid:

Require ip 173.245.48 103.21.244

Can someone correct me if I am wrong.

Appreciate your help
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tangent



Joined: 16 Aug 2020
Posts: 108
Location: UK

PostPosted: Fri 04 Jun '21 21:59    Post subject: Reply with quote

Your networks are not on 8 bit boundaries, so I'd suggest you need to use CIDR notation:

Code:
Require ip 173.245.48.0/20
Require ip 103.21.244.0/22

I'd use two separate entries to ease management.
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apishdad



Joined: 01 Jul 2019
Posts: 39
Location: Canada, Toronto

PostPosted: Sat 05 Jun '21 22:01    Post subject: Reply with quote

Thanks tangent for all your help
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