Security System Basic Error

Fatal error: PHP notice in file /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php (345): Undefined index: REMOTE_PORT


Information:


error message: PHP notice in file /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php (345): Undefined index: REMOTE_PORT
error code: 0
file: /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/WCF.class.php (255)
php version: 5.2.0-8+etch11
wcf version: 1.0.10 (Horizon)
date: Wed, 08 Oct 2008 04:02:14 +0000
request: /index.php?page=Tagging
referer: http://www.abc.com/index.html
Stacktrace:


#0 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php(345): WCF::handleError(8, 'Undefined index...', '/home/sloki/use...', 345, Array)
#1 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php(294): SecurityHandler->generateJournal('flood')
#2 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php(272): SecurityHandler->attackJournal('flood')
#3 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/plugins/blacklist/blacklist.class.php(55): SecurityHandler->accessDenied('flood', Array)
#4 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/plugins/blacklist/blacklist.class.php(21): Blacklist->handleList()
#5 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php(208): Blacklist->execute(Object(SecurityHandler), 'blacklist')
#6 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/security/SecurityHandler.class.php(72): SecurityHandler->fireActions()
#7 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/event/listener/SecurityListener.class.php(34): SecurityHandler->systemCore()
#8 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/event/EventHandler.class.php(117): SecurityListener->execute(Object(TaggingPage), 'TaggingPage', 'readParameters')
#9 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/system/event/EventHandler.class.php(142): EventHandler::executeInheritedActions(Object(TaggingPage), 'readParameters', 'TaggingPage', 'readParameters@...')
#10 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/page/AbstractPage.class.php(44): EventHandler::fireAction(Object(TaggingPage), 'readParameters')
#11 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/page/TaggingPage.class.php(22): AbstractPage->readParameters()
#12 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/page/AbstractPage.class.php(35): TaggingPage->readParameters()
#13 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/util/RequestHandler.class.php(63): AbstractPage->__construct()
#14 /home/xxx/user/xxx/sites/abc.com/www/wcf/lib/util/RequestHandler.class.php(91): RequestHandler->__construct('Tagging', Array, 'page')
#15 /home/xxx/user/xxx/sites/abc.com/www/index.php(8): RequestHandler::handle(Array)
#16 {main}