Astaro Proxy server blocked the request

Hello,

Could you Please help on the below,
Astaro proxy server blocked the web request and proxy web filter logs showing user values in Chinese character.

Any one could you please suggest...

Proxy web filter logs:-
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2012:06:21-11:55:57 astaro-ddf httpproxy[5731]: id="0003" severity="info" sys="SecureWeb" sub="http" request="0x83b92e18" function="adir_auth_process_ntlm" file="auth_adir.c" line="1244" message="lm response security buffer outside packet or response to long"
2012:06:21-11:55:57 astaro-ddf httpproxy[5731]: id="0003" severity="info" sys="SecureWeb" sub="http" request="0x83b92e18" function="auth_adir_auth_crap_callback" file="auth_adir.c" line="1061" message="Authorization denied (NT_STATUS_NO_SUCH_USER)"
2012:06:21-11:55:57 astaro-ddf httpproxy[5731]: id="0002" severity="info" sys="SecureWeb" sub="http" name="web request blocked" action="block" method="CONNECT" srcip="192.168.1.192" dstip="" user="䱇协䕓" statuscode="407" cached="0" profile="REF_YxPXGVhBym (Astaro Proxy)" filteraction=" ()" size="4603" request="0x83b92e18" url="https://ebics.db.com/" exceptions="" error=""