Disallow cPanel in the default .conf, use of ? wildcard

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Jason Carlton

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Jul 5, 2022, 8:31:16 PMJul 5
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The default 510_pagespeed.conf file includes two lines:

ModPagespeedDisallow "http://cpanel.*"
ModPagespeedDisallow "https://cpanel.*"

Is there a reason that it didn't use the ? wildcard to keep it on one line? Like so:

ModPagespeedDisallow "https?://cpanel.*"

Longinos

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Jul 6, 2022, 5:53:21 AMJul 6
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I'm not sure if "?" is a valid symbol, but for sure "*" is permited.
So ModPagespeedDisallow "https*://cpanel.*"must work.
In fact I use it to aut domains:
ModPagespeedDomain http*://*.domain.com

Jason Carlton

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Jul 6, 2022, 1:17:18 PMJul 6
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From the docs:

Wildcards include * which matches any 0 or more characters, and ?, which matches exactly one character. Unlike Unix shells, the / directory separator is not special, and can be matched by either * or ?. The resources are always expanded into their absolute form before expanding.
https://www.modpagespeed.com/doc/restricting_urls

That's not exactly clear; I'm assuming that ? is like in a regex and matches 0 OR 1? Because if it matched exactly 1 then it would be irrelevant.

If I'm right that ? matches 0 or 1 then I wasn't sure if there was a specific reason to use two lines instead of a wildcard (speed to process, maybe?), or if it's just something from the olden days that hadn't been updated. I use * throughout my configuration, too, but in most cases I really just want it to match 0 or 1. The ? wildcard is marginally faster in regex, so it would be a better choice if it works the same here.

Longinos

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Jul 7, 2022, 12:46:43 PMJul 7
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I don't know why cPanel set this way......
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