Pear errors

Hi I am trying to install some pear packages and i keep getting this error. admincphr@webserver:/etc/pear$ sudo pear upgrade-all Error getting channel info from pear.php.net: Connection to `pear.php.net:80' failed: Error getting channel info from pear.php.net: Connection to `pear.php.net:80' failed: Error getting channel info from pear.php.net: Connection to `pear.php.net:80' failed: Error getting channel info from pear.php.net: Connection to `pear.php.net:80' failed: Nothing to upgrade-all This is another error: admincphr@webserver:/etc/pear$ sudo pear install --alldeps -f MDB2 No releases available for package "pear.php.net/MDB2" Cannot initialize 'pear/MDB2', invalid or missing package file Package "Array" is not valid install failed I am using a firewall proxy which i have already set Auto-discover new Channels auto_discover <not set> Default Channel default_channel pear.php.net HTTP Proxy Server Address http_proxy rmaina:maina@192.168.1.1:8080 PEAR server [DEPRECATED] master_server pear.php.net Default Channel Mirror preferred_mirror pear.php.net Remote Configuration File remote_config <not set> PEAR executables directory bin_dir /usr/bin PEAR documentation directory doc_dir /usr/share/php/docs PHP extension directory ext_dir /usr/lib/php5/20060613+lfs PEAR directory php_dir /usr/share/php PEAR Installer cache directory cache_dir /tmp/pear/cache PEAR data directory data_dir /usr/share/php/data PEAR Installer download download_dir /tmp/pear/cache directory PHP CLI/CGI binary php_bin /usr/bin/php php.ini location php_ini <not set> PEAR Installer temp directory temp_dir /tmp/pear/temp PEAR test directory test_dir /usr/share/php/tests Cache TimeToLive cache_ttl 3600 Preferred Package State preferred_state stable Unix file mask umask 22 Debug Log Level verbose 1 PEAR password (for password <not set> maintainers) Signature Handling Program sig_bin /usr/bin/gpg Signature Key Directory sig_keydir /usr/etc/pearkeys Signature Key Id sig_keyid <not set> Package Signature Type sig_type gpg PEAR username (for username <not set> maintainers) User Configuration File Filename /home/admincphr/.pearrc System Configuration File Filename /usr/etc/pear.conf Thank you for your assistance -- Edna O. Anyango Systems Administrator Kenya Medical Research Institute Kenyatta National Hospital Grounds P.O. Box 20752 Nairobi,00202 Tel: +254-20-2725017/8 Fax: +254-20-2729890 Mobile:+254-720-872097 Email: ednaojowi@googlemail.com eanyango@kemri-nuitm.or.ke Website: www.kemri.org