Snort mailing list archives

host attribute file question


From: Jason Wallace <jason.r.wallace () gmail com>
Date: Tue, 24 Nov 2009 11:15:51 -0500

Per the docs...

With Snort 2.8.1, for a given host entry, the stream and IP frag
information are both used. Of the service
attributes, only the IP protocol (tcp, udp, etc), port, and protocol
(http, ssh, etc) are used. The application
and version for a given service attribute, and any client attributes
are ignored. They will be used in a future
release.

Is the application and version still not used? I'd like to define the
application in the hopes that http_inspect it will choose the correct
profile for IIS and Apache. I can not do the following in
snort.conf...

preprocessor http_inspect_server: server 10.75.88.11 \
                                 profile iis \
                                 server_flow_depth 0 \
                                 client_flow_depth 0 \
                                 ports { 80 }

preprocessor http_inspect_server: server 10.75.88.11 \
                                 profile apache \
                                 server_flow_depth 0 \
                                 client_flow_depth 0 \
                                 ports { 8080 }

Since they have the same IP address only the last one in the config
file is used. I can tell this because detect_anomalous_servers will
still trigger an alert on the first one even though both are in the
config.

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