Is this correct gzip configuration?

[Luka Horvatic]

I have following for gzip compression on nginx 7:
 gzip on;
# gzip_static on;  Only use this if you compiled it yourself -or- with
this module
gzip_proxied any;
gzip_vary on;
gzip_disable "MSIE [1-6]\.";
gzip_http_version 1.1;
gzip_min_length 10;
gzip_comp_level 9;
# text/css application/x-javascript and text/javascript are really your
choice...
gzip_types text/plain application/xhtml+xml text/xml application/xml
application/xml+rss;
This should disable gzip on ie6,but when i load site with ie,ie crashes
after few minutes.Is this code invalid?
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