[8.174][BUG][OPEN] web proxy,Transparent mode with authtication not working in firefox 5.0.1

Hi..

In web security transparent mode with authentication is not working in firefox 5.0.1, while it is working in IE-8.


011:07:27-17:52:45 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="POST" srcip="192.168.1.7" dstip="" user="vivek" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="0" request="0xc7071cc0" url="passthrough.fw-notify.net/login" exceptions="" error=""
2011:07:27-17:52:51 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="POST" srcip="192.168.1.7" dstip="" user="vivek" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="0" request="0xc70501f0" url="passthrough.fw-notify.net/login" exceptions="" error=""
2011:07:27-17:53:05 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4784" request="0xc7071f20" url="lspn20-int-en.url.trendmicro.com/.../i78C4jQvk16KHZv544IRkWHxKRcWpKa6JyBclOD1Qtizd-r-rZGBdphsRQGRtF8e-gjYEOsJ1jWAhQo5dNHpmcLsk2zsTyIM01dclM-Fge4=" exceptions="" error=""
2011:07:27-17:53:39 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="POST" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4934" request="0xc7075f20" url="safebrowsing.clients.google.com/.../downloads
2011:07:27-17:56:06 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4784" request="0xc7072ca8" url="lspn20-int-en.url.trendmicro.com/.../i78C4jQvk16KHZv544IRkWHxKRcWpKa6JyBclOD1QtjKrDA-0nFonV7WQhphboNZB3CXZoU12rkEkLO2RnE8Mt21oC4Q5pNQ_ieHsGd_C1k=" exceptions="" error=""
2011:07:27-17:59:06 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4784" request="0xc73fd110" url="lspn20-int-en.url.trendmicro.com/.../i78C4jQvk16KHZv544IRkWHxKRcWpKa6JyBclOD1Qtj9q0qED7Nctdhz9SDMqUR0z580yT8cbRohvDdOqjdQK5_HFCBqd02_wPj9uDqkBU4=" exceptions="" error=""
2011:07:27-18:02:06 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4784" request="0xc706d4c0" url="lspn20-int-en.url.trendmicro.com/.../i78C4jQvk16KHZv544IRkWHxKRcWpKa6JyBclOD1QtgfCoq8c1VejGBdTkIHBIJF9rDyU11SeYrzkjq10ZNNQaEfxqo_qBsKWAftaCV5ykA=" exceptions="" error=""
2011:07:27-18:05:06 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" user="" statuscode="302" cached="0" profile="REF_HttProTest (Test)" filteraction=" ()" size="4784" request="0xbcc49448" url="lspn20-int-en.url.trendmicro.com/.../i78C4jQvk16KHZv544IRkWHxKRcWpKa6JyBclOD1Qti2hAsiJcs4LZAUDHe9XpgFlR72N1Z-7tovkeFqymAB5avP9Nk8g8acCm72o02UY10=" exceptions="" error=""
2011:07:27-18:08:06 110 httpproxy[27683]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="GET" srcip="192.168.1.7" dstip="" use