Webserver security expert needed for linux

Server security expert needed who can check all files and do server maintenance for protection against exploits, malrware, unauthorised access/scripts and hacking etc. Yum also has error as below and needs to be fixed. login as: root Authenticating with public key "xxxxxxxxxxxxxxxxxx" Last login: Mon Aug 15 23:03:44 2011 from [login to view URL] root@Servername ~ # yum upgrade Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * atomic: [login to view URL] * base: [login to view URL] * extras: [login to view URL] * updates: [login to view URL] [login to view URL]: [Errno 14] HTTP Error 401: Authorization Required Trying other mirror. Error: Cannot retrieve repository metadata ([login to view URL]) for repository: asl-3.0. Please verify its path and try again root@Servername ~ # This has to be done using my system with teamviewer access. Also guidance against further attacks and ddos attacks, Need fail2ban installed, firewall etc. I`m available by msn im for communication during access to server. I have all logins including root + putty. Payment by paypal/escrow, you choose but ONLY after job is done. Please pmb if any questions. Budget is $30