Avoid:
Look for file_get_contents("http://some-ip") or curl_exec to unknown domains.
The file warez scene has always been rife with “nulled” or “modified” scripts. A significant number of RapidLeech downloads available on public forums contain:
A verified copy of Rapidleech v2 rev 46 has been:
Sources that offer "verified" status often provide the file hash:
MD5: 5f4dcc3b5aa765d61d8327deb882cf99
SHA1: 7c9e667c5b1c2e5f8b3c9d7a2e4f6b8a9c0d1e2f
(Note: the above is an example; always request the actual hash from the source.)
Add an extra .htpasswd to the /leech/ folder, separate from RL’s internal login.
The original RapidLeecher codebase was functional but barebones. RapidLeecher v2 introduced a modular plugin system, cron-job support, and better handling for captcha services. Revision 46 (rev 46) emerged during a critical period (circa 2016-2017) when many major hosts changed their APIs. This revision was the last "officially community-verified" release before development splintered into countless private forks.
Add .htaccess password protection (optional but recommended):
AuthType Basic
AuthName "Restricted Area"
AuthUserFile /path/to/.htpasswd
Require valid-user