Muchas gracias a mrpink por su inestimable ayuda, me solucionaste el problema, pero al actualizar, a 1.1.22 (a las de la versión 1.2.* me tiraba un error y no para probar actualice a esta, al editar un dominio me tira:
Dear admin,An exception has been thrown in file/var/www/imscp/gui/library/iMSCP/Config/Handler.php at line 87:=================================================================Configuration variable `PHPINI_ALLOW_URL_FOPEN` is missing.=================================================================Debug backtrace:---------------File: /var/www/imscp/gui/library/iMSCP/Config/Handler.php at line 74Method: iMSCP_Config_Handler::get()File: /var/www/imscp/gui/library/iMSCP/PHPini.php at line 146Method: iMSCP_Config_Handler::__get()File: /var/www/imscp/gui/library/iMSCP/PHPini.php at line 99Method: iMSCP_PHPini::loadDefaultData()File: /var/www/imscp/gui/library/iMSCP/PHPini.php at line 129Method: iMSCP_PHPini::__construct()File: /var/www/imscp/gui/public/reseller/domain_edit.php at line 253Method: iMSCP_PHPini::getInstance()File: /var/www/imscp/gui/public/reseller/domain_edit.php at line 1145Function: reseller_getData()